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* fichier :  nlin_cavity_HP.dgibi
*************************************************************************
*
* NOM         : nlin_cavity_HP.dgibi
*
* DESCRIPTION : We compute the flow governed by the Navier-Stokes
*               equations, in a square cavity with high temperature
*               difference.
*               Both Boussinesq approximation and Low Mach number
*               approximation are considered.
*               See also technical report SFME/LTMF/RT/O4-031/A
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
*************************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
*************************************************************************
*
*
*************************************************
****** LIST OF SYMBOLS **************************
*************************************************
*
* \int  = integral
* \div  = divergence
* \der  = derivative (\der{a}{b} = \frac{d a}{d b} 
* \grad = gradient
* \cdot = scalar product
* ^     = power
*
* (a,b) = \int_{\Omega} a * b dV
*
*  Np   = test function for the divergence equations
*       = shape function for the pressure
*  Nt   = test function for the temperature
*       = shape function for the temperature equation 
*  Nv   = test function for the speed equations (x,y)
*       = shape function for the speed
*
*  PMASS   = thermodyn. pressure via the integration of the EOF (by
*            imposing that the integral of the density keeps contant)
*
*  PCOMP  = thermodyn. pressure via the divergence constraint.
*
*  PTHER  = PMASS or PCOMP
*
*
*************************************************************************
*************************************************************************
******* PERSONAL PROCEDURES *********************************************
*************************************************************************
*************************************************************************
*
*BEGINPROCEDUR matmas
*
************************************************************************
*
* NOM         : MATMAS
*
* DESCRIPTION : We compute 
*
*               (Np , Nd )
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' MATMAS ;
*
'ARGUMENT'  _mt*'MAILLAGE'    ;
'ARGUMENT'  nomp*'MOT     '  ;
'ARGUMENT'  nomd*'MOT     '  ;
'ARGUMENT'  discp*'MOT     '  ;
'ARGUMENT'  discd*'MOT     ' ;
*
*  Arguments
*  _mt   = MAILLAGE, quaf mesh
*  nomp  = MOT, name of the primal variable
*  nomd  = MOT, name of the dual variable
*  discp = MOT, name of the discretization of the primal variable
*  discd = MOT, name of the discretization of the dual variable
*
idim   = 'VALEUR' 'DIME' ;
*
*   Matrix A for the operator NLIN
*
numop  = 1 ;
numder = idim ;
numvar = 1 ;
* The variable involved in A is the primal variable
numdat = 0 ;
numcof = 0 ;
*
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomp ;
A . 'VAR' . 1 . 'DISC'   = discp ;
*
*   Matrix B for the operator NLIN
*
B = ININLIN numop numvar 0 0 numder ;
* For B the coef no coefficients are involved
* but 1
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomd ;
B . 'VAR' . 1 . 'DISC'   = discd ;
*
A . 1 . 1 . 0 = 'LECT' ;
B . 1 . 1 . 0 = 'LECT'  ;
*
mat = 'NLIN' discg _mt A B methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR matmas
*BEGINPROCEDUR matdiv
*
************************************************************************
*
* NOM         : MATDIV
*
* DESCRIPTION : We compute the matrix arising from the computation of
*               the scalar product
*
*               (div(u),Np)
*
*               where Np = shape function for pressure
*
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' MATDIV ;
*
'ARGUMENT'   _mt*'MAILLAGE' ;
'ARGUMENT'  nompre*'MOT     ' ;
'ARGUMENT'  discp*'MOT     ' ;
'ARGUMENT'  discv*'MOT     ' ;
*
*  _mt   = solid QUAF mesh
*  nompre = name of the pressure
*  discp = discretization type for the pressure
*          (for instance 'LINE')
*  discv = discretization type for the speed
*          (for instance 'QUAF')
*
idim   = 'VALEUR' 'DIME' ;
*
*    Two contributions
*
*     \dep{u_x}{x} Np
*   + \dep{u_y}{y} Np
*
*   Matrix A for the operator NLIN
*
numop  = 1 ;
numder = idim ;
numvar = 2 ;
* The variables involved in A are u_x, u_y
numdat = 0 ;
* Zero data
numcof = 0 ;
* Zero functions (but 1)
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
A . 'VAR' . 1 . 'DISC'   = discv ;
A . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
A . 'VAR' . 2 . 'DISC'   = discv ;
*
*   Matrix B for the operator NLIN
*
numvar = 1 ;
B = ININLIN numop numvar 0 0 numder ;
* For B the coef no coefficients are involved
* but 1
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nompre ;
B . 'VAR' . 1 . 'DISC'   = discp ;
*
* Contribution
*
* 1 \dep{u_x}{x} Np
A . 1 . 1 . 1 = 'LECT'  ;
B . 1 . 1 . 0 = 'LECT'  ;
* 1 \dep{u_y}{y} Np
A . 1 . 2 . 2 = 'LECT'  ;
*
mdiv = 'NLIN' discg _mt A B  methgau ;
'RESPRO' mdiv ;
'FINPROC' ;
*
*ENDPROCEDUR matdiv
*BEGINPROCEDUR matflu
*
************************************************************************
*
* NOM         : MATFLU
*
* DESCRIPTION : We compute the matrix arising from
*
*               \int_{\delta \Omega} (coef q \cdot n) Nd dS
*
*               where q is the primal variable ('UX', 'UY')
*               Nd is the shape function of the dual variable
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
**** We compute the matrix
*
*    \int_{\delta \Omega} (q \cdot n) Nd dS
*
*    N.B. Be carefull in specifying n (the normal at the surfaces)
*         No singular points are aviable.
*
*    Arguments
*
*    _st    = MAILLAGE, quaf mesh of the surface
*    discp  = MOT, name of the discretisation of the primal variable
*    nomd   = MOT, name of the dual variable
*    discd  = MOT, name of the discretisation of the dual variable
*    disco  = MOT, discretisation of the coefficient
*    coef   = coefficient
*    discn  = MOT, name of the discretisation of the normals
*    nx     = CHPOINT 
*    ny     = CHPOINT 
*
*    nomp   = name of the primal variable are 'UX' 'UY'
*
'DEBPROC' MATFLU ;
'ARGUMENT'  _st*'MAILLAGE' ;
'ARGUMENT'  discp*'MOT     ' ;
'ARGUMENT'  nomd*'MOT     ' ;
'ARGUMENT'  discd*'MOT     ' ;
'ARGUMENT'  discco*'MOT     ' ;
'ARGUMENT'  coef*'CHPOINT' ;
'ARGUMENT'  discn*'MOT     ' ;
'ARGUMENT'  nx*'CHPOINT' ;
'ARGUMENT'  ny*'CHPOINT' ;
*
idim   = 'VALEUR' 'DIME' ;
*
*   Matrix A for the operator NLIN
*
numop  = 1 ;
numder = idim ;
numvar = 2 ;
* The variables involved in A are qx, qy
numdat = 3 ;
* coef, nx, ny
numcof = 3 ;
* coef, nx, ny ('IDEN')
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
A . 'VAR' . 1 . 'DISC'   = discp ;
A . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
A . 'VAR' . 2 . 'DISC'   = discp ;
*
* coef
A . 'DAT' . 1 . 'NOMDDL' = 'EXTRAIRE' coef 'COMP';
A . 'DAT' . 1 . 'DISC' =  discco ;
A . 'DAT' . 1 . 'VALEUR' = coef ;
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
* nx 
A . 'DAT' . 2 . 'NOMDDL' = 'EXTRAIRE' nx 'COMP';
A . 'DAT' . 2 . 'DISC' =  discn ;
A . 'DAT' . 2 . 'VALEUR' = nx ;
A . 'COF' . 2 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 2 ;
* ny
A . 'DAT' . 3 . 'NOMDDL' = 'EXTRAIRE' ny 'COMP';
A . 'DAT' . 3 . 'DISC' =  discn ;
A . 'DAT' . 3 . 'VALEUR' = ny ;
A . 'COF' . 3 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 3 . 'LDAT' = 'LECT' 3 ;
*
*   Matrix B for the operator NLIN
*
numvar =1 ;
B = ININLIN numop numvar 0 0 numder ;
*
* For B no coefficients are involved
* but 1
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomd ;
B . 'VAR' . 1 . 'DISC'   = discd ;
* (coef * nx * qx '+' coef * ny qy) Nd
A . 1 . 1 . 0 = 'LECT' 1 2;
A . 1 . 2 . 0 = 'LECT' 1 3;
B . 1 . 1 . 0 = 'LECT'  ;
*
mat = 'NLIN' discg _st A B methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR matflu
*BEGINPROCEDUR chpflu
*
************************************************************************
*
* NOM         : CHPFLU
*
* DESCRIPTION : We compute the CHPOIN
*               
*               -q = lambda (\grad(T) 
*
*               on the dof of the dual variable
*               T  = CHPOINT
*
*               N.B. Be carefull in specifying n (the normal at the
*                    surfaces).
*                    No singular points are admitted.
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' CHPFLU ;
*
'ARGUMENT'  _mt*'MAILLAGE' ;
'ARGUMENT'  disct*'MOT     ' ;
'ARGUMENT'  T*'CHPOINT'     ;
'ARGUMENT'  discd*'MOT     ' ;
'ARGUMENT'  discla*'MOT     ' ;
'ARGUMENT'  lambda*'CHPOINT' ;
*
*  _mt    = MAILLAGE, solid quaf mesh
*  disct  = MOT, name of the discretisation of T
*  T      = CHPOINT (one component, the name of which is free)
*  discd  = MOT, name of the discretisation of the dual variable
*  discla = MOT, name of the discretisation of lambda
*  lambda = CHPOINT (one component, SCAL)
*
idim   = 'VALEUR' 'DIME' ;
*
*
*  Matrix A for the operator NLIN
*
numop  = 2 ;
numder = idim ;
numvar = 1 ;
* One variable, T
numdat = 1 ;
* -lambda
numcof = 1 ;
* Coef: -lambda (three identity functions)
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
*   Matrix A for the operator NLIN
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'EXTR' TN 'COMP' ;
A . 'VAR' . 1 . 'DISC'   = disct ;
* lambda
A . 'DAT' . 1 . 'NOMDDL' = ('EXTRAIRE' lambda 'COMP')  ;
A . 'DAT' . 1 . 'DISC' =  discla ;
A . 'DAT' . 1 . 'VALEUR' = lambda ;
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
* 
*   Matrix B for the operator NLIN
*
numvar = 2 ;
B = ININLIN numop numvar 0 0 numder ;
*
* For B, no coefficients are involved
* but 1
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
B . 'VAR' . 1 . 'DISC'   = discd ;
B . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
B . 'VAR' . 2 . 'DISC'   = discd ;
*
* Contribution
*
* lambda \dep{T}{x} Nd
A . 1 . 1 . 1 = 'LECT' 1  ;
B . 1 . 1 . 0 = 'LECT'  ;
* lambda \dep{T}{y}  Nd
A . 2 . 1 . 2 = 'LECT' 1  ;
B . 2 . 2 . 0 = 'LECT'  ;
*
mat = 'NLIN' discg _mt A B  methgau ;
*
* We compute coef
*
 matm1 = MATMAS _mt 'UX' 'UX' discd discd ;
 matm2 = MATMAS _mt 'UY' 'UY' discd discd ;
 matm = matm1 'ET' matm2 ;
 mtotik = 'KOPS' 'RIMA' matm ;
 smbt = mat '*' t ;
 chlim pipi = 'KOPS' matrik ;
 'MESSAGE' ;
 coef = RESOUP FAUX mtotik mtotik smbt chlim 1.0D-12 200 'ITER' ;
*
'RESPRO' coef ;
'FINPROC' ;
*
*ENDPROCEDUR chpflu
*BEGINPROCEDUR matkt
*
************************************************************************
*
* NOM         : MATKT
*
* DESCRIPTION : We compute the matrix
*               
*               ((u_x \dep{T}{x} '+' u_y \dep{T}{y}) , Nt)
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' MATKT ;
*
'ARGUMENT'   _mt*'MAILLAGE' ;
'ARGUMENT'  discv*'MOT     ' ;
'ARGUMENT'    ux*'CHPOINT' ;
'ARGUMENT'    uy*'CHPOINT' ;
'ARGUMENT'  nomt *'MOT     ' ;
'ARGUMENT'  disct*'MOT     ' ;
*
*    discv = discretisation type for u_x and u_y
*    ux    = chpoint ('SCAL', on discv)
*    uy    = chpoint ('SCAL', on discv)
*    nomt  = name of the primal and the dual variable t
*    disct = discretisation type for t
*
idim   = 'VALEUR' 'DIME' ;
*
numop  = 1 ;
numder = idim ;
numvar = 1 ;
* One variable, T
numdat = 2 ;
* ux, uy
numcof = 2 ;
* Coef: ux  uy (two identity functions)
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
*   Matrix A for the operator NLIN
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomt ;
A . 'VAR' . 1 . 'DISC'   = disct ;
* ux
A . 'DAT' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 1 . 'DISC' =  discv ;
A . 'DAT' . 1 . 'VALEUR' = ux ;
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
* uy 
A . 'DAT' . 2 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 2 . 'DISC' =  discv ;
A . 'DAT' . 2 . 'VALEUR' = uy ;
A . 'COF' . 2 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 2 ;
* 
*   Matrix B for the operator NLIN
*
numvar = 1 ;
B = ININLIN numop numvar 0 0 numder ;
*
* For B, no coefficients are involved
* but 1
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomt ;
B . 'VAR' . 1 . 'DISC'   = disct ;
*
* Contribution
*
* ux \dep{T}{x} Nd
A . 1 . 1 . 1 = 'LECT' 1 ;
B . 1 . 1 . 0 = 'LECT'   ;
* uy \dep{T}{y}  Nd
A . 1 . 1 . 2 = 'LECT' 2 ;
*
mat = 'NLIN' discg _mt A B  methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR matkt
*BEGINPROCEDUR matlap
*
************************************************************************
*
* NOM         : MATLAP
*
* DESCRIPTION : We compute the matrix arising from the computation of
*               the scalar product
*
*               ( -(coef \div( \alpha \grad T)) , Nd )
*
*               where Nd = test function for the dual variable.
*
*               -\int_{\Omega} coef \div( \alpha \grad T) Nd dV =
*                  -\int_{\delta \Omega}
*                     coef \alpha (\grad T \cdot n) Nd dS '+'
*                  +\int_{\Omega}
*                     coef \alpha (\grad T \cdot \grad Nd) dV '+'
*                  +\int_{\Omega}
*                     Nd \alpha (\grad T \cdot \grad coef) dV
*
*               The matrix is issue from the 2nd and 3rd contribution
*               (volume integrals).
*
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' MATLAP ;
*
'ARGUMENT'  _mt*'MAILLAGE'    ;
'ARGUMENT'   nomt*'MOT     '  ;
'ARGUMENT'  disct*'MOT     '  ;
'ARGUMENT'   nomd*'MOT     '  ;
'ARGUMENT'  discd*'MOT     '  ;
'ARGUMENT'  discal*'MOT     ' ;
'ARGUMENT'  alpha*'CHPOINT'   ;
'ARGUMENT'  discof*'MOT     ' ;
'ARGUMENT'  coef*'CHPOINT'    ;
*
*    Arguments
*
*    _mt    = surface QUAF mesh
*    nomt   = name of the primal variable T
*    disct  = discretization type of T
*    nomd   = name of the dual variable
*    discd  = discretization type of the dual variable
*    discal = discretization type of alpha
*    discof = discretization type of coef
*    alpha  = CHPOINT ('SCAL')
*    coef   = CHPOINT ('SCAL')
*
idim   = 'VALEUR' 'DIME' ;
*
*    Four contributions
*
*    (coef alpha \dep{T}{x} \dep{Nd}{x}
*   + coef alpha \dep{T}{y} \dep{Nd}{y}
*   + Nd alpha \dep{T}{x} \dep{coef}{x}
*   + Nd alpha \dep{T}{y} \dep{coef}{y})
*
*   Matrix A for the operator NLIN
*
numop  = 4 ;
numder = idim ;
numvar = 1 ;
* The variable involved in A is the primal variable T
numdat = 2 ;
* Two data: alpha, coef
numcof = 4 ;
* Four functions: f(alpha) = alpha
*                 f(coef)  = coef
*                 f(coef) = \dep{coef}{x}
*                 f(coef) = \dep{coef}{y}
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomt ;
A . 'VAR' . 1 . 'DISC'   = disct ;
* alpha
A . 'DAT' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 1 . 'DISC' = discal ;
A . 'DAT' . 1 . 'VALEUR' = alpha ;
* coef
A . 'DAT' . 2 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 2 . 'DISC' = discof ;
A . 'DAT' . 2 . 'VALEUR' = coef ;
* Function alpha
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
* Function coef
A . 'COF' . 2 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 2 ;
* Function \dep{coef}{x}
A . 'COF' . 3 . 'COMPOR' = 'D/DX1' ;
A . 'COF' . 3 . 'LDAT' = 'LECT' 2  ;
* Function \dep{coef}{y}
A . 'COF' . 4 . 'COMPOR' = 'D/DX2' ;
A . 'COF' . 4 . 'LDAT' = 'LECT' 2 ;
*
*   Matrix B for the operator NLIN
*
B = ININLIN numop numvar 0 0 numder ;
* For B the coef no coefficients are involved
* but 1
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nomd ;
B . 'VAR' . 1 . 'DISC'   = discd ;
*
* Contribution
*
* coef alpha \dep{T}{x} \dep{Nd}{x}
A . 1 . 1 . 1 = 'LECT' 1 2 ;
B . 1 . 1 . 1 = 'LECT'  ;
* coef alpha \dep{T}{y} \dep{Nd}{y}
A . 2 . 1 . 2 = 'LECT' 1 2 ;
B . 2 . 1 . 2 = 'LECT'  ;
* Nd alpha \dep{T}{x} \dep{coef}{x}
A . 3 . 1 . 1 = 'LECT' 1 3 ;
B . 3 . 1 . 0 = 'LECT'  ;
* Nd alpha \dep{T}{y} \dep{coef}{y}
A . 4 . 1 . 2 = 'LECT' 1 4 ;
B . 4 . 1 . 0 = 'LECT'  ;
mlapn = 'NLIN' discg _mt A B  methgau ;
'RESPRO' mlapn ;
'FINPROC' ;
*ENDPROCEDUR matlap
*BEGINPROCEDUR matkv
*
************************************************************************
*
* NOM         : MATKV
*
* DESCRIPTION : We compute the matrix
*
*               ((cx \dep{u_x}{x} '+' cy \dep{u_x}{y}), Nvx)
*               ((cx \dep{u_y}{x} '+' cy \dep{u_y}{y}), Nvy)
*
*               where Nv = shape function for (u_x,u_y)^T
*
*               Names of primal variables = names of the dual variables
*                = 'UX' 'UY'
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
'DEBPROC' MATKV ;
'ARGUMENT'   _mt*'MAILLAGE' ;
'ARGUMENT' discv*'MOT     ' ;
'ARGUMENT' discc*'MOT     ' ;
'ARGUMENT'     cx*'CHPOINT' ;
'ARGUMENT'     cy*'CHPOINT' ;
*
*  _mt   = solid quaf mesh
*  discv = discretization type ux, uy
*  discc = discretization type for cx, cy
*  cx    = CHPOINT ('SCAL')
*  cy    = CHPOINT ('SCAL')
*
idim   = 'VALEUR' 'DIME' ;
*
numop  = 2 ;
numder = idim ;
numvar = 2 ;
* Two variables, ux, uy
numdat = 2 ;
* cx, cy
numcof = 2 ;
* Coef: cx  cy (two identity functions)
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
*   Matrix A for the operator NLIN
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
A . 'VAR' . 1 . 'DISC'   = discv  ;
A . 'VAR' . 2 .  'NOMDDL' = 'MOTS' 'UY' ;
A . 'VAR' . 2 .  'DISC'   = discv  ;
* cx
A . 'DAT' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 1 . 'DISC' =  discc ;
A . 'DAT' . 1 . 'VALEUR' = cx ;
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
* cy 
A . 'DAT' . 2 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 2 . 'DISC' =  discc ;
A . 'DAT' . 2 . 'VALEUR' = cy ;
A . 'COF' . 2 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 2 ;
* 
*   Matrix B for the operator NLIN
*
numvar = 2 ;
B = ININLIN numop numvar 0 0 numder ;
*
* For B, no coefficients are involved
* but 1
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
B . 'VAR' . 1 . 'DISC'   = discv ;
B . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
B . 'VAR' . 2 . 'DISC'   = discv ;
*
* Contribution
*
* cx \dep{ux}{x} Nvx
A . 1 . 1 . 1 = 'LECT' 1 ;
B . 1 . 1 . 0 = 'LECT'   ;
* cy \dep{ux}{y}  Nvx
A . 1 . 1 . 2 = 'LECT' 2 ;
* cx \dep{uy}{x} Nvy
A . 2 . 2 . 1 = 'LECT' 1 ;
B . 2 . 2 . 0 = 'LECT'   ;
* cy \dep{uy}{y}  Nd
A . 2 . 2 . 2 = 'LECT' 2 ;
*
mat = 'NLIN' discg _mt A B  methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR matkv
*BEGINPROCEDUR mattau
*
************************************************************************
*
* NOM         : MATTAU
*
* DESCRIPTION : We compute
*
*               ( (-coef*div(tau))|x, Nv)
*               ( (-coef*div(tau))|y, Nv)
*
*    where
*
*    Nv is the form function for the speed (u_x,u_y)^T
*          =     the test function for the speed equations   
*
*    tau_{xy} = mu (dep{u_x}{y} '+' dep{u_y}{x} '-'
*                   \delta_{x,y} div (u))
*
*    These terms are integrated by part. Only the volumic contribution
*    is computed. 
*
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
*
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
'DEBPROC' MATTAU ;
*
'ARGUMENT'     _mt*'MAILLAGE' ;
'ARGUMENT'   discv*'MOT     ' ;
'ARGUMENT'  discmu*'MOT     ' ;
'ARGUMENT'  discco*'MOT     ' ;
'ARGUMENT'      mu*'CHPOINT' ;
'ARGUMENT'    coef*'CHPOINT' ;
*
*  _mt    = surface QUAF mesh
*  discv  = discretization type of the speed
*  discmu = discretization type of mu
*  discco = discretization type of coef
*  mu     = CHPOINT ('SCAL')
*  coef   = CHPOINT ('SCAL')
*
*    N.B. Names of the primal variable = names of the dual variable =
*         'UX', 'UY'
*
idim   = 'VALEUR' 'DIME' ;
*
*  Matrix A for the operator NLIN
*
numop  = 4 ;
numder = idim ;
numvar = 2 ;
* 
numdat = 3 ;
* The data: mu, 2./3., 4./3.
numcof = 3 ;
*
* One function: f(mu)= mu
*
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
A . 'VAR' . 1 . 'DISC'   = discv ;
A . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
A . 'VAR' . 2 . 'DISC'   = discv ;
*
* mu
*
mmu = 'EXTRAIRE' mu 'COMP' ;
A . 'DAT' . 1 . 'NOMDDL' = mmu ;
A . 'DAT' . 1 . 'DISC' =  discmu ;
A . 'DAT' . 1 . 'VALEUR' = mu ;
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
*
* -2/3
*
A . 'DAT' . 2 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 2 . 'DISC' =  'CSTE' ;
A . 'DAT' . 2 . 'VALEUR' = (-2./3.) ;
A . 'COF' . 2 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 2 ;
*
* 4/3
*
A . 'DAT' . 3 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'DAT' . 3 . 'DISC' =  'CSTE' ;
A . 'DAT' . 3 . 'VALEUR' = (4./3.) ;
A . 'COF' . 3 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 3 . 'LDAT' = 'LECT' 3 ;
*
*   Matrix B for the operator NLIN
*
numdat = 1 ;
numcof = 3 ;
B = ININLIN numop numvar numdat numcof numder ;
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
B . 'VAR' . 1 . 'DISC'   = discv ;
B . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
B . 'VAR' . 2 . 'DISC'   = discv ;
*
B . 'DAT' . 1 . 'NOMDDL' = ('EXTRAIRE' coef 'COMP') ;
B . 'DAT' . 1 . 'DISC' =  discco ;
B . 'DAT' . 1 . 'VALEUR' = coef ;
* coef, \dep{coef}{x}, \dep{coef}{y}
B . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
B . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
B . 'COF' . 2 . 'COMPOR' = 'D/DX1' ;
B . 'COF' . 2 . 'LDAT' = 'LECT' 1 ;
B . 'COF' . 3 . 'COMPOR' = 'D/DX2' ;
B . 'COF' . 3 . 'LDAT' = 'LECT' 1 ;
*
*   Dual variable 'UX'
*
*   \int
*   (2 mu \dep{u_x}{x} coef \dep{N_j}{x} '+'
*    2 mu \dep{u_x}{x} N_j \dep{coef}{x} '+'
*    -2/3 mu div(u)  coef \dep{N_j}{x} '+'
*    -2/3 mu div(u)  N_j \dep{coef}{x} '+' 
*     mu \dep{u_x}{y} coef \dep{N_j}{y} '+'
*     mu \dep{u_x}{y} N_j \dep{coef}{y} '+'
*     mu \dep{u_y}{x} coef \dep{N_j}{y} '+'
*     mu \dep{u_y}{x} N_j \dep{coef}{y}) =
*
*   \int
*   ((4/3 mu \dep{u_x}{x}) '-' (2/3 mu \dep{u_y}{y})) *
*        (coef \dep{N_j}{x} '+' N_j \dep{coef}{x})
*   '+'
*   (mu \dep{u_x}{y}) '+' (mu \dep{u_y}{x}) *
*        (coef \dep{N_j}{y} '+' N_j \dep{coef}{y})
*
A . 1 . 1 . 1 = 'LECT' 1 3  ;
A . 1 . 2 . 2 = 'LECT' 1 2  ;
B . 1 . 1 . 1 = 'LECT' 1 ;
B . 1 . 1 . 0 = 'LECT' 2 ;
*
A . 2 . 1 . 2 = 'LECT' 1 ;
A . 2 . 2 . 1 = 'LECT' 1 ;
B . 2 . 1 . 2 = 'LECT' 1 ;
B . 2 . 1 . 0 = 'LECT' 3 ;
*
*   Dual variables 'UY'   
*
*   \int
*   ((4/3 mu \dep{u_y}{y}) '-' (2/3 mu \dep{u_x}{x})) *
*        (coef \dep{N_j}{y} '+' N_j \dep{coef}{y})
*   '+'
*   (mu \dep{u_y}{x}) '+' (mu \dep{u_x}{y}) *
*        (coef \dep{N_j}{x} '+' N_j \dep{coef}{x})
*    
*
A . 3 . 2 . 2 = 'LECT' 1 3 ;
A . 3 . 1 . 1 = 'LECT' 1 2 ;
B . 3 . 2 . 2 = 'LECT' 1 ;
B . 3 . 2 . 0 = 'LECT' 3 ;
*
A . 4 . 2 . 1 = 'LECT' 1 ;
A . 4 . 1 . 2 = 'LECT' 1 ;
B . 4 . 2 . 1 = 'LECT' 1 ;
B . 4 . 2 . 0 = 'LECT' 2 ;
*
mat = 'NLIN' discg _mt A B methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR mattau
*BEGINPROCEDUR matpre
*
************************************************************************
*
* NOM         : MATPRE
*
* DESCRIPTION : We compute the integral of volume of
*
*              (coef \dep{p}{x} , Nv)
*              (coef \dep{p}{y} , Nv) 
*
*              where Nv = test function for u_x = test function for u_y.
*
*              \int_{\Omega} coef  \dep{p}{x} Nv dV =
*              \int_{\delta \Omega} coef p Nv (i \cdot n) dS '+'
*              -\int_{\Omega} coef p \dep{nv}{x} dV '+'
*              -\int_{\Omega} Nv p \dep{coef}{x} dV
*
*              Here we only compute the 2nd and 3rd contribution (volume
*              integrals). The surface integral must be computed elsewhere.
*
* LANGAGE     : GIBIANE-CAST3M
* AUTEUR      : Alberto BECCANTINI (CEA/DEN/DM2S/SFME/LTMF)
*               mél : beccantini@cea.fr
*
**********************************************************************
* Prière de PRENDRE LE TEMPS de compléter les commentaires
* en cas de modification de ce sous-programme afin de faciliter
* la maintenance !
************************************************************************
*
*
'DEBPROC' MATPRE ;
*
'ARGUMENT'   _mt*'MAILLAGE'   ;
'ARGUMENT'  nompre*'MOT     ' ;
'ARGUMENT'  discp*'MOT     '  ;
'ARGUMENT'  discv*'MOT     '  ;
'ARGUMENT'  discc*'MOT     '  ;
'ARGUMENT'  coef*'CHPOINT '   ;
*
* _mt    = surface QUAF mesh
* nompre = name of the pressure (usuallt 'LX')
* discp  = discretization type of p (usually LINE)
* discv  = discretization type of v (usually QUAF)
* discc = discretization type of coef
*  coef   = CHPOINT ('SCAL')
*
idim   = 'VALEUR' 'DIME' ;
*
*  Matrix A for the operator NLIN
*
numop  = 4 ;
numder = idim ;
numvar = 1 ;
* The variable involved in A is the primal p
numdat = 1 ;
* The data: coef
numcof = 3 ;
* Three functions: f(coef)= coef
*                  f(coef)=\dep{coef}{x}
*                  f(coef)=\dep{coef}{y}
*
discg = 'LINE' ;
* Geometrical discretisation
methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;   
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' nompre ;
A . 'VAR' . 1 . 'DISC'   = discp ;
*
* coef
*
mcoef = 'EXTRAIRE' coef 'COMP' ;
A . 'DAT' . 1 . 'NOMDDL' = mcoef ;
A . 'DAT' . 1 . 'DISC' =  discc ;
A . 'DAT' . 1 . 'VALEUR' = coef ;
* coef, \dep{coef}{x}, \dep{coef}{y}
A . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
A . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
A . 'COF' . 2 . 'COMPOR' = 'D/DX1' ;
A . 'COF' . 2 . 'LDAT' = 'LECT' 1 ;
A . 'COF' . 3 . 'COMPOR' = 'D/DX2' ;
A . 'COF' . 3 . 'LDAT' = 'LECT' 1 ;
*
*   Matrix B for the operator NLIN
*
numvar = 2 ;
*
* ux, uy
*
numdat = 1 ;
numcof = 1 ;
B = ININLIN numop numvar numdat numcof numder ;
*
* For B the coef no coefficients are involved
* but -1
*
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'UX' ;
B . 'VAR' . 1 . 'DISC'   = discv ;
B . 'VAR' . 2 . 'NOMDDL' = 'MOTS' 'UY' ;
B . 'VAR' . 2 . 'DISC'   = discv ;
* -1
B . 'DAT' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
B . 'DAT' . 1 . 'DISC' =  'CSTE' ;
B . 'DAT' . 1 . 'VALEUR' = -1.0 ;
B . 'COF' . 1 . 'COMPOR' = 'IDEN' ;
B . 'COF' . 1 . 'LDAT' = 'LECT' 1 ;
*
*   -\int_{\Omega} coef p \dep{Nv}{x} dV
*
A . 1 . 1 . 0 = 'LECT' 1 ;
B . 1 . 1 . 1 = 'LECT' 1 ;
*
*   -\int_{\Omega} Nv p \dep{coef}{x} dV
*
A . 2 . 1 . 0 = 'LECT' 2 ;
B . 2 . 1 . 0 = 'LECT' 1 ;
*
*   -\int_{\Omega} coef p \dep{Nv}{y} dV (second dual variable)
*
A . 3 . 1 . 0 = 'LECT' 1 ;
B . 3 . 2 . 2 = 'LECT' 1 ;
*
*   -\int_{\Omega} Nv p \dep{coef}{y} dV (second dual variable)
*
A . 4 . 1 . 0 = 'LECT' 3 ;
B . 4 . 2 . 0 = 'LECT' 1 ;
*
mat = 'NLIN' discg _mt A B methgau ;
'RESPRO' mat ;
'FINPROC' ;
*
*ENDPROCEDUR matpre
*BEGINPROCEDUR resoup
**********************************************************
**** Resolution of a linear system ***********************
**********************************************************
*
'DEBPROC' RESOUP ;
   'ARGUMENT' LOGTPS*'LOGIQUE ' ;
   'ARGUMENT' mat*'MATRIK  ' ;
   'ARGUMENT' matpre/'MATRIK  ' ;
   'ARGUMENT' smb*'CHPOINT ' ;
   'ARGUMENT' ccl*'CHPOINT ' ;
   'ARGUMENT' res*'FLOTTANT' ;
   'ARGUMENT' nit*'ENTIER'   ;
   'ARGUMENT' pre/'ENTIER'   ;
   'ARGUMENT' gggtre/'TABLE   ' ;
   'ARGUMENT' gggtcv/'LOGIQUE ' ;
   'ARGUMENT' typslv/'MOT     ' ;
*
*  Det. tt s.t.
*
*  mat . tt = smb
*  tt(boundary) = ccl
*
*  
*  mat = matrix to "inverse"
*  matpre = matrix for which preconditioner has been computed (optional)
*  smb = right hand side
*  ccl = imposed boundary conditions
*  res = rvk . 'RESID'
*  nit = max number of linear iteration (for an iterative solver)
*  pre = type of preconditioning matrix (for an iterative solver)
*  gggtre = table of resolution to store 'XINIT'
*  gggtcv = graphic of the history for the iterative solver (optional FAUX)
*  typslv = 'DIRECT'/'ITER' (optional, ITER)
*
   'SI' ('NON' ('EXISTE' typslv)) ;
      tslv = VRAI ;
   'SINON' ;      
      'SI' ('EGA' typslv 'DIRECT') ;
         tslv = FAUX ;
      'SINON' ;
         'SI' ('EGA' typslv 'ITER') ;
            tslv = VRAI ;
         'SINON' ;
            'ERREUR' 'Solveur DIRECT ou ITERatif ?' ;
         'FINSI' ;
      'FINSI' ;
   'FINSI' ;
    gggniv = 1 ;
   'SI' ('NON' ('EXISTE' pre)) ;
      pre = 5 ;
   'FINSI' ;
   'SI' ('OU' ('NON' ('EXISTE' gggtcv)) ('NON' tslv)) ;
      gggtcv = FAUX ;
   'FINSI' ;      
   rv = 'EQEX' ;
   rvk = rv . 'METHINV' ;
   'SI' ('EXISTE' matpre) ;
      rvk . 'MATASS' = matpre ;
      rvk . 'MAPREC' = matpre ;
   'SINON' ;      
      rvk . 'MATASS' = mat ;
      rvk . 'MAPREC' = mat ;
   'FINSI' ;      
   'SI' tslv ;
      rvk . 'TYPINV' = 3 ;
   'SINON' ;      
      rvk . 'TYPINV' = 1 ;
   'FINSI' ;      
   rvk . 'SCALING' = 1 ;
*  Scaling factor   
   rvk . 'OUBMAT' = 1 ;
*  oubmat = 1 -> We eliminate the elementary matrix
*  'ILUTPPIV' -> 1 We always search for a new pivot
*             -> 0 We do not search for a new pivot
   rvk . 'ILUTPPIV' = 0.1D0 ;
*   rvk . 'ILUTPPIV' = 0.01D0 ;
*   rvk . 'ILUTPPIV' = 0.00001D0 ;
*   rvk . 'ILUTPPIV' = 0.D0 ;
   rvk . 'IMPINV' = gggniv ;
   rvk . 'TYRENU' = 'SLOA' ;
   rvk . 'PCMLAG' = 'APR2' ;
   rvk . 'NITMAX' = nit ;
   rvk . 'RESID' = res ;
   rvk . 'PRECOND' = pre ;
   rvk . 'BCGSBTOL' = 1.D-200 ;
   rvk . 'ILUTLFIL' = 1.5 ;
*
   'SI' ('EXISTE' gggtre) ;
      'SI' ('EXISTE' gggtre 'XINIT') ;
         rvk . 'XINIT' = gggtre . 'XINIT' ;
      'FINSI' ;
   'FINSI' ;      
   'TEMPS' 'ZERO' ;
   tt = 'KRES' mat 'TYPI' rvk 'SMBR' smb 'CLIM' ccl ;
   tcpu = 'TEMPS' 'NOEC' ;
   tcpus = '/' ('FLOTTANT' tcpu) 100.D0 ;
   'SI' LOGTPS ;
      'MESSAGE' ('CHAINE' 'tcpu (s) = ' tcpus) ;
   'FINSI' ;
   'SI' ('ET' gggtcv ('EXISTE' rvk 'CONVINV')) ;
      lcvg = rvk . 'CONVINV' ;
      nit = 'DIME' lcvg ;
      'SI' ('>' nit 1) ;
         lit = 'PROG' 1.D0 PAS 1.D0 NPAS ('-' nit 1) ;
         evit = 'EVOL' 'MANU' 'iter' lit 'log residu'
          ('/' ('LOG' lcvg) ('LOG' 10.D0)) ;
         'DESSIN' evit 'TITR' titglob ;
      'FINSI' ;         
   'FINSI' ;
   'SI' ('EXISTE' gggtre) ;
      gggtre . 'XINIT' = tt ;
   'FINSI' ;      
   'RESPRO' tt ;
*
* End of procedure file RESOU
*
'FINPROC' ;
*
**********************************************************
**** End of the Resolution of a linear system ************
**********************************************************
*ENDPROCEDUR resoup
*
 'DEBPROC' INTINVT ;
 'ARGUMENT'   _mt*'MAILLAGE' ;
 'ARGUMENT' disct*'MOT     ' ;
 'ARGUMENT'    tn*'CHPOINT ' ;
*
idim   = 'VALEUR' 'DIME' ;
*
*   Matrix A for the operator NLIN
*
 numop  = 1 ;
 numder = idim ;
 numvar = 1 ;
* The variable involved in A is the primal variable
 numdat = 1 ;
 numcof = 1 ;
*
 discg = 'LINE' ;
* Geometrical discretisation
 methgau = 'GAU7' ;
* Gauss points involved
*
A = ININLIN numop numvar numdat numcof numder ;
A . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
A . 'VAR' . 1 . 'DISC'   = 'QUAF' ;
*
A . 'DAT' . 1 . 'NOMDDL' = ('EXTRAIRE' TN 'COMP') ;
A . 'DAT' . 1 . 'DISC'   =  disct ;
A . 'DAT' . 1 . 'VALEUR' =  tn ;
A . 'COF' . 1 . 'COMPOR' =  'IDEN' ;
A . 'COF' . 1 . 'LDAT'   =  'LECT' 1 ;
*
*   Matrix B for the operator NLIN
*
B = ININLIN numop numvar 0 0 numder ;
* For B the coef no coefficients are involved
* but 1
B . 'VAR' . 1 . 'NOMDDL' = 'MOTS' 'SCAL' ;
B . 'VAR' . 1 . 'DISC'   = 'CSTE' ;
*
A . 1 . 1 . 0 = 'LECT' -1 ;
B . 1 . 1 . 0 = 'LECT'    ;
*
mat = 'NLIN' discg _mt A B methgau ;
*
chpbid = 'MANUEL' 'CHPO' _mt 1 'SCAL' 1.0D0 ;
'RESPRO' ('SOMT' (mat '*' chpbid)) ;
'FINPROC' ;
* 
*************************************************************************
*************************************************************************
******* END OF THE PERSONAL L PROCEDURES ********************************
*************************************************************************
*************************************************************************
*
************************************************************************
************** Begin of file *******************************************
************************************************************************
*
 NXS2 = 10 ;
 'REPETER' BLPAR 2 ;
*
* IC incoming from other computations?
*
* REPSAU = '/test4/becc/Dtmp/Dcaviteimplpv/' ;
* REPSAU = './' ;
 VARREST = FAUX ;
 'SI' VARREST ;
    'OPTION' 'RESTITUER' ('CHAINE' 'file' NXS2 '.sauv') ;
*    'OPTION' 'RESTITUER' ('CHAINE' 'resu' NXS2 '.sauv') ;
    'RESTITUER' ;
*   We give PMASS, PCOMP, UN, PN, TN
*
*   Modif. to use old results
*
    'SI' ('NEG' ('TYPE' PMASS) 'FLOTTANT') ;
       PMASS = PTHER ;
       PMASSM = PTHER ;
       PCOMP = PTHER1;
       PCOMPM = PTHER1;
    'FINSI' ;
 'FINSI' ;
*
****************************************
**** Parameters for the computation ****
****************************************
*
* Fully-implicit (or projection) ?
 LOGFI = VRAI ;
 'SI' (LOGFI) ;
    NOMPRE = 'LX' ;
 'SINON' ;
    NOMPRE = 'P' ;
 'FINSI' ;
 'SI' VARREST ;
*
*  Modif. to use old results
*
    PN = 'NOMC' NOMPRE PN  ;
*    
 'FINSI' ;
*
* Pressure from the compatibility condition.
*
 LOGCOMP = FAUX ;
*
* 
* Boussinesq or Low Mach?
*
 'SI' ('EGA' &BLPAR 1) ;
    LBOUS = FAUX ;
 'SINON' ;
    LBOUS = VRAI ;
 'FINSI' ;   
* \lambda and \mu as function of T? 
 VARPRO = FAUX ;
* 
 DISCT = 'QUAF' ;
 DISCMU = DISCT ;
 DISCLA = DISCT ;
 NITMAX = 1200 ;
 GRAPH = FAUX ;
 MTRA = 'X' ;
 NFREQ = 10 ;
* METINV = MOT 'ITER' ;
 METINV = MOT 'DIRECT' ;
* PREC   = 5 ;
 PREC = 5 ;
 NFREQP = 40 ;
 ERROPRE = 1.0D-5 ;
* We compute the preconditioner each NFREQP-th iterations
* If the residial is lower than ERROPRE, we stop computing
* the preconditioner
* Number of linear iterations (for NXS2 = 160)
 NITERT = NXS2 '/' 2 ;
 NITERU = NXS2 '/' 1 ;
* NITERUT = NXS2 '/' 4 ;
* NITERP = NXS2 ;
* NITERT = NXS2 ;
* NITERU = NXS2 ;
* NITERUT = NXS2  '*' 2;
* NITERP = NXS2 '*' 4 ;
 CFLREF = 50. ;
* If I take a constant DT, I can gain CPU time in computing the (real)
* speed -> DT computed with respect to the reference speed
* NB. Even with a variable DT, we have to compute an initial DT in order
* to avoid DT=\infty with U=0.
*
*
* Fixed options:
* - LINEar/bilinear continuus pressure 
* - QUAFdratic speed
* - Name of speed (and name of speed duals variables) :
*   'UX', 'UY'
* - Name of temperature: T
* - Name of pressure: NOMPRE (Lagrange multiplicator)
*
*
 'OPTION' 'DIME' 2 'ELEM' 'QUA4' 'TRAC' MTRA 'ECHO' 1 ;
*
* Physical properties
*
 R = 287. ;
 gamma = 1.4 ;
 g = 9.81 ;
 PR = 0.71 ;
*
 cp = R * gamma '/' (gamma '-' 1.0) ; 
*
* Reference/initial state
*
 T0 = 600. ;
 P0 = 101325. ;
 rho0 = P0 '/' (R '*' T0) ;
*
* mu (dynamic viscosity) and lambda (thermal diffusivity) at the
* reference state 
*
 'SI' varpro ;
    esse = 110.5 ;
    tstar = 273. ;
    mustar = 1.68D-5 ;
 'FINSI' ;
 mu0 = 2.95456D-5 ;
 lambda0 = mu0 '*' (cp '/' Pr) ;
* 
* Hot/cold temperature
* 
* epsilon = 2 \Delta T /T_m
* T_h = T_m (1 '+' epsilon)
* T_c = T_m (1 '-' epsilon)
*
 epsilon = 0.6 ;
 TH = T0 '*' (1 '+' epsilon) ;
 TC = T0 '*' (1 '-' epsilon) ;
* L as function of Rayleight (Grashof) number
 RAY = 1.0D6 ;
 GR = RAY '/' PR ;
* GR = UREF^2 * L^2 * rho0^2 '/' mu0
 UREF2L2 = (mu0 '*' mu0 '*' GR) '/' (rho0 * rho0);
 UREF2SL = g '*' (TH '-' TC) '/' T0 ;
 L3 = UREF2L2 '/' UREF2SL ;
 L = L3 '**' (1. '/' 3.) ;
*
* Test
*
 UREF =  ((g '*' L '*' (TH '-' TC) '/' T0)) '**' 0.5 ;
 RE = rho0 '*' UREF '*' L '/' mu0 ;
 GR1 = RE '*' RE ;
 'SI' (((GR '-' GR1) '/' GR) > 1.0D-4) ;
    'ERREUR' 21 ;
 'FINSI' ;
*
***********************
**** Mesh *************
***********************
*
* A4         A3
*
*
*
*
* A1         A2
*
 A1  = 0.0 0.0 ;
 A12 = (L '/' 2.) 0.0 ;
 A2  = L   0.0 ;
 A23 = L (L '/' 2.) ;
 A3  = L   L ;
 A34 = (L '/' 2.) L ;
 A4  = 0.0 L ;
 A41 = 0.0 (L '/' 2.) ;
*
 DX = L '/' (2 '*' NXS2) ;
 DXMINC = DX '/' 4  ;
 DXMINH = DX '/' 2. ;
 DXMAX  = DX '*' 2. ;
 DY = DX ;
 'SI' LBOUS ;
    DXMINH = DX '/' 3 ;
    DXMINC = DX '/' 3 ;
 'FINSI' ;
*
 A1A2 = (A1 'DROIT' A12 'DINI' DXMINC 'DFIN' DXMAX) 'ET'
        (A12 'DROIT' A2 'DINI' DXMAX 'DFIN' DXMINH) ;
 A2A3 = (A2 'DROIT' A23 'DINI' DXMINH 'DFIN' DXMAX) 'ET'
        (A23 'DROIT' A3 'DINI' DXMAX 'DFIN' DXMINH) ;
 A3A4 = (A3 'DROIT' A34 'DINI' DXMINH 'DFIN' DXMAX) 'ET'
        (A34 'DROIT' A4 'DINI' DXMAX 'DFIN' DXMINC) ;
 A4A1 = (A4 'DROIT' A41 'DINI' DXMINH 'DFIN' DXMAX) 'ET'
        (A41 'DROIT' A1 'DINI' DXMAX 'DFIN' DXMINH) ;
* DOM1 = 'SURFACE' (A1A2 'ET' A2A3 'ET' A3A4 'ET' A4A1) 'PLAN' ;
  DOM1 = 'DALL' A1A2  A2A3  A3A4  A4A1 'PLAN' ;
 'SI' GRAPH ;
    'TRACER' DOM1 'TITRE' 'Mesh' ;
 'FINSI' ;
*
* DOM1, A1A2, A2A3, A3A4, A4A1 are made of 'LINE' elts
*
 QDOM1 = 'CHANGER' DOM1 'QUAF' ;
 QA4A1 = 'CHANGER' A4A1 'QUAF' ;
 QA1A2 = 'CHANGER' A1A2 'QUAF' ;
 QA2A3 = 'CHANGER' A2A3 'QUAF' ;
 QA3A4 = 'CHANGER' A3A4 'QUAF' ;
 'ELIMINATION' (QA4A1 'ET' QDOM1) (DXMINC '/' 10) ;
 'ELIMINATION' (QA1A2 'ET' QDOM1) (DXMINC '/' 10) ;
 'ELIMINATION' (QA2A3 'ET' QDOM1) (DXMINC '/' 10) ;
 'ELIMINATION' (QA3A4 'ET' QDOM1) (DXMINC '/' 10) ;
* 
* QDOM1, QA1A2, QA2A3, QA3A4, QA4A1 are made of 'QUAF' elts
*
 'SI' VARREST ;
*
* Compatibility between the mesh of the IC and this mesh
*
     NN1 = 'NBNO' QDOM1 ;
     AA  = 'EXTRAIRE' UN 'MAILLAGE' ;
     BB  = QDOM1 'ET' AA ;
     NN2 = 'NBNO' BB ;
     'ELIMINATION' AA (DXMINC '/' 10.) QDOM1 ;
     NN3 = 'NBNO' (QDOM1 'ET' AA) ;
     'SI' ((NN3 'NEG' NN1) 'OU' (NN2 'NEG' (2 '*' NN1))) ;
        'ERREUR' 21 ;
     'FINSI' ;
     AA = 'EXTRAIRE' PN 'MAILLAGE' ;
     'ELIMINATION' AA (DXMINC '/' 10.) DOM1 ;
 'FINSI' ;
**************
*** DT *******
**************
*
*
 DT = CFLREF '*' DX '/' UREF ;
* 
***************************************
********** IC / BC ********************
***************************************
*
* IC for thermodyn. pressure
*
 'SI' ('NON' VARREST) ;
    PMASS  = P0 ;
    PCOMP = P0 ;
    PTHER = P0 ;
 'FINSI' ;
*
* IC/BC for the dynamic pressure (alaways 'LINE')
*
* Projection: imposition of PNLIM on a point
*             imposition of the speed on the contour
*
* Fully-implicit: imposition of the speed on the contour but in one
*                 point
*
 AA = A1A2 'POIN' 'PROC' ((L '/' 2) 0.0) ;
 MPLIM = 'MANUEL' 'POI1' AA ;
 PNLIM = 'MANUEL' 'CHPO' MPLIM 1 NOMPRE 0.0 ;
* PNLIM not taken into account in the fully implicit case 
 'SI' ('NON' VARREST) ;
    PN = 'MANUEL' 'CHPO' DOM1 1 NOMPRE 0.0 ;
 'FINSI' ;
*
* BC/IC for the speed (always on 'QUAF')
* 
* BC on the normal speed
*
 'SI' LOGFI ;
    LIMDIRN  = 'DIFF' ('CHANGER' ('CONTOUR' QDOM1) 'POI1') MPLIM ;
 'SINON' ;
    LIMDIRN  = 'CHANGER' ('CONTOUR' QDOM1) 'POI1' ;
 'FINSI' ;
 LIMDIRT  = ('CHANGER' ('CONTOUR' QDOM1) 'POI1') ;
 'SI' GRAPH ;
    'TRACER' (QDOM1 'ET' (MPLIM 'COULEUR' ROUG))
       'TITRE' 'Point for PLIM' ;
    'TRACER' (QDOM1 'ET' (LIMDIRT 'COULEUR' ROUG))
       'TITRE' 'Points in which ux is 0' ;
    'TRACER' (QDOM1 'ET' (LIMDIRN 'COULEUR' ROUG))
       'TITRE' 'Points in which uy is 0' ;
 'FINSI' ;
 UN1 = 'MANUEL' 'CHPO' LIMDIRT 1 'UX' 0.0 ;
 UN2 = 'MANUEL' 'CHPO' LIMDIRN 1 'UY' 0.0 ;
 UNLIM = UN1 '+' UN2 ;
 'SI' VARREST ;
    UNCAN = ('REDU' UN ('CONTOUR'  QDOM1)) '*' -1 ;
    UN = UN '+' UNLIM '+' UNCAN ;
 'SINON' ;
    UN = ('MANUEL' 'CHPO' QDOM1 2 'UX' 0.0 'UY' 0.0) '+' UNLIM ;
 'FINSI' ;
*
* BC/IC for the temperature ('QUAF'/'LINE')
*
 'SI' ('EGA' DISCT 'LINE') ;
    TN1 =  'MANUEL' 'CHPO' A4A1 1 'T'  Tc ;
    TN2 =  'MANUEL' 'CHPO' A2A3 1 'T'  Th ;
    TNLIM = TN1 '+' TN2 ;
    'SI' ('NON' VARREST) ;
       TN = ('MANUEL' 'CHPO' DOM1 1 'T' T0) ;
    'FINSI' ;
    TN = TN '+' TNLIM '-' ('REDU' TN (A4A1 'ET' A2A3)) ;
    DOMT = DOM1 ;
 'FINS' ;
*
 'SI' ('EGA' DISCT 'QUAF') ;
    TN1 =  'MANUEL' 'CHPO' QA4A1 1 'T' Tc ;
    TN2 =  'MANUEL' 'CHPO' QA2A3 1 'T' Th ;
    TNLIM = TN1 '+' TN2 ;
    'SI' ('NON' VARREST) ;
       TN = ('MANUEL' 'CHPO' QDOM1 1 'T' T0) ;
    'FINSI' ;
    TN = TN '+' TNLIM '-' ('REDU' TN (QA4A1 'ET' QA2A3)) ;
    DOMT = QDOM1 ;
 'FINS' ;
*
*************************************************
*** Dynamic viscosity and thermal diffusivity ***
*************************************************
*
* CHMU and CHLAM
*
 'SI' VARPRO ;
    TNSCA = 'NOMC' TN 'SCAL' ;
    CHTSTA = (TNSCA '*' 0.0) '+' tstar ;
    CHESSE  = (TNSCA '*' 0.0) '+' esse ;
    CHTSPE = CHTSTA '+' CHESSE ;
    CHMU = mustar '*' (((TNSCA '/' TSTAR) '**' 1.5)
           '*' (CHTSPE '/' (TNSCA '+' CHESSE))) ;
    CHLAM = CHMU '*' (cp '/' PR) ;
 'SINON' ;
    'SI' ('EGA' DISCMU 'LINE') ;
       CHMU = 'MANUEL' 'CHPO' DOM1 1 'SCAL' mu0 ;
    'FINS' ;
    'SI' ('EGA' DISCMU 'QUAF') ;
       CHMU = 'MANUEL' 'CHPO' QDOM1 1 'SCAL' mu0 ;
    'FINS' ;
*
    'SI' ('EGA' DISCLA 'LINE') ;
       CHLAM = 'MANUEL' 'CHPO' DOM1 1 'SCAL' lambda0 ;
    'FINS' ;
    'SI' ('EGA' DISCLA 'QUAF') ;
       CHLAM = 'MANUEL' 'CHPO' QDOM1 1 'SCAL' lambda0 ;
    'FINS' ;
 'FINSI' ;
*
* Plot of IC
*
 'SI' GRAPH ;
    VECN = 'VECTEUR' 0.1 UN ;
    'TRACER' QDOM1 VECN ('CONTOUR' QDOM1) 'TITRE' 'Speed';
    'TRACER' TN DOMT 'TITRE' 'Temperature' ;
 'FINSI' ;
*
********************************
***** Constant Matrices ********
********************************
* (with respect to time)
*
* Mass matrix for the speed
*
* (ux,Nv)
* (uy,Nv)
*             
 MMASV = (MATMAS QDOM1 'UX' 'UX' 'QUAF' 'QUAF') 'ET'
         (MATMAS QDOM1 'UY' 'UY' 'QUAF' 'QUAF') ;
 MMASVSDT = MMASV '/' DT ;
 MMASIK = 'KOPS' 'RIMA' MMASVSDT ;
* 
*
* Mass matrix for the temperature
*
* (T,Nt)
*
*             
 MMAST = (MATMAS QDOM1 'T' 'T' DISCT DISCT) ;
 MMASTSDT = MMAST '/' DT ;
*
* (\div u, Np) 
*        
 MDIV = MATDIV QDOM1 NOMPRE 'LINE' 'QUAF' ;
*
* Matrix for the gravity source term in the speed equation
*
* (g (rho0/rho '-' 1), Nv) j
*
* where *  rho0    = P0 '/' (R '*' T0)
*       * (1/rho)  = (R '*' TN) '/' PTHER 
*
* N.B. rho0/rho is a CHPOINT with one component ('T'), with the same
*      discretisation as TN (disct).
*
*                     nomp nomd discp discd 
 MSOUGRA = MATMAS QDOM1 'T' 'UY' DISCT 'QUAF' ;
*
* Matrix for DPTHSDT source term in the temperature equation
*
* ( (1/(rho cp)) \der{PTHER}{t}, Nt)
* where * Nt is the test function for the temperature
*       * \der{PTHER}{t} ia a FLOTTANT
*       * (1/(rho cp)) = (R '*' TN) '/' (cp PTHER)
*         is a CHPOINT with one component ('T'),
*         with the same discretisation as TN (disct)
* 
 MSOUTEM = MATMAS QDOM1 'T' 'T' DISCT DISCT ; 
*
* In the divergence equation, we have
*
* \div(u) = (-1/(gamma * PTHER)) '*' \der{PTHER}{t}
*           '+'
*           ((gamma '-' 1) '/' (gamma '*' PTHER)) \div(lambda \grad(T))
*
* Discretisation is perform by the scalar product of the equation with
* Np
*
* Matrix to compute the contribution of \div(lambda \grad(T)) to
* the divergence of the speed
*
*
*      A4        A3
*
*
*
*
*      A1        A2
*
* \int_s (lambda grad T) Np \cdot n dS
*
* Here (lambda grad T) is the primal variable 
*
*'DEBPROC' MATFLU ;
*'ARGUMENT'  _st*'MAILLAGE' ;
*'ARGUMENT'  discp*'MOT     ' ;
*'ARGUMENT'  nomd*'MOT     ' ;
*'ARGUMENT'  discd*'MOT     ' ;
*'ARGUMENT'  discco*'MOT     ' ;
*'ARGUMENT'  coef*'CHPOINT' ;
*'ARGUMENT'  discn*'MOT     ' ;
*'ARGUMENT'  nx*'CHPOINT' ;
*'ARGUMENT'  ny*'CHPOINT' ;
*
 NXA4A1 = 'MANUEL' 'CHPO' DOM1 1 'SCAL' -1.0 ;
 NYA4A1 = 'MANUEL' 'CHPO' DOM1 1 'SCAL'  0.0 ;
 COEFBID = 'MANUEL' 'CHPO' DOM1 1 'SCAL' 1.0 ;
 MSMD41 = MATFLU QA4A1 'QUAF' NOMPRE 'LINE' 'LINE' COEFBID
          'LINE' NXA4A1 NYA4A1 ;
* 
* 
 NXA2A3 = 'MANUEL' 'CHPO' DOM1 1 'SCAL'  1.0 ;
 NYA2A3 = 'MANUEL' 'CHPO' DOM1 1 'SCAL'  0.0 ;
 MSMD23 = MATFLU QA2A3 'QUAF' NOMPRE 'LINE' 'LINE' COEFBID
          'LINE' NXA2A3 NYA2A3 ;
* 
*
* - (\int lambda (grad T) \cdot (grad Np) dV) =
*   -1. '*' MATLAP
* 
*'DEBPROC' MATLAP ;
*'ARGUMENT'  _mt*'MAILLAGE'    ;
*'ARGUMENT'   nomt*'MOT     '  ;
*'ARGUMENT'  disct*'MOT     '  ;
*'ARGUMENT'   nomd*'MOT     '  ;
*'ARGUMENT'  discd*'MOT     '  ;
*'ARGUMENT'  discal*'MOT     ' ;
*'ARGUMENT'  alpha*'CHPOINT'   ;
*'ARGUMENT'  discof*'MOT     ' ;
*'ARGUMENT'  coef*'CHPOINT'    ;
*
* 
*
 MSMD1 = (MATLAP   QDOM1 'T' DISCT NOMPRE 'LINE' DISCLA CHLAM
         'LINE' COEFBID) '*' -1. ;
 MSMD = MSMD1 'ET' MSMD23 'ET' MSMD41 ;
*
* Matrix to compute the contribution of
*
* (-1/(gamma * PTHER)) '*' \der{PTHER}{t}
*
* Matrix to compute the contribution of \div(lambda \grad(T)) to
*
 MSMDIV = MATMAS QDOM1 'SCAL' NOMPRE 'LINE' 'LINE' ; 
*************************************************************************
* Temporal loop *********************************************************
*************************************************************************
*
 TAB1 = 'TABLE' ;
 TAB1.'TITRE'= TABLE ;
 TAB1.1='TIRR ';
 TAB1.'TITRE' . 1  = MOT 'Mass cons.';
 TAB1.'TITRE' . 2  = MOT 'Div. cons.';
 TAB1.2='MARQ CROI';
 'SI' LOGCOMP ;
    TITP = 'CHAINE' 'Pressure from div cons.' ;
 'SINON' ;
    TITP = 'CHAINE' 'Pressure from mass cons.' ;
 'FINSI' ;
*
 TPS = 0.0 ;
* 
 LIT   = 'PROG' ;
 LIT1  = 'PROG' ;
 LER   = 'PROG' ;
 LERT  = 'PROG' ;
 LERP  = 'PROG' ;
 LPCO  = 'PROG' ;
 LPMA  = 'PROG' ;
 ERRO = 1.0D10 ;
 ERROT = 1.0D10 ;
*
 TABRESTN = 'TABLE' ;
 TABRESTN . 'XINIT' = TN ;
 TABRESUN = 'TABLE' ;
 'SI' LOGFI ;
    TABRESUN . 'XINIT' = UN '+' PN ;
 'SINON' ;
    TABRESUN . 'XINIT' = UN ;
    TABRESDU = 'TABLE' ;
    TABRESDU . 'XINIT' = UN '*' 0.0 ;
    TABRESDP = 'TABLE' ;
    TABRESDP . 'XINIT' = (PN '*' 0.0) ;
 'FINSI' ;
* 
 'REPETER' BL1 NITMAX ;
    LIT1 = LIT1 'ET' ('PROG' &BL1) ;
    PNM = 'COPIER' PN ;
    UNM = 'COPIER' UN ;
    TNM = 'COPIER' TN ;
    PMASSM  = PMASS ;
    PCOMPM = PCOMP ;
*
*** Stabilization attempt for the convective term
*
    UNTX = ('EXCO' 'UX' UNM) ;
    UNTY = ('EXCO' 'UY' UNM) ;
*
**** Time step
*
    TPS = TPS '+' DT ;
*****************************************
***** Computation of the transport ******
***** properties ************************
*****************************************
*
   'SI' VARPRO ;
      TNSCA = 'NOMC' TN 'SCAL' ;
      CHMU = mustar '*' (((TNSCA '/' TSTAR) '**' 1.5)
           '*' (CHTSPE '/' (TNSCA '+' CHESSE))) ;
      CHLAM = CHMU '*' (cp '/' PR) ;
   'FINSI' ;
*
*****************************************
**** Divergence constraint and PCOMP ***
*****************************************
*
*   We compute qdiv = (div(u),Npj), Npj being the shape function
*   for the pressure.
*
*   First of all, let us evaluate
*
*   coef (\div (lambda \grad T), Npj)
*
    'SI' LBOUS ;
       coef = 0.0 ;
    'SINON' ;
       coef = (gamma '-' 1) '/' (gamma '*' PTHER) ;
    'FINSI' ;
*   Volume integral contribution
*   CHPFLU
*   'ARGUMENT'  _mt*'MAILLAGE' ;
*   'ARGUMENT'  disct*'MOT     ' ;
*   'ARGUMENT'  T*'CHPOINT'     ;
*   'ARGUMENT'  discd*'MOT     ' ;
*   'ARGUMENT'  discla*'MOT     ' ;
*   'ARGUMENT'  lambda*'CHPOINT' ;
*
    lamgt = CHPFLU QDOM1 DISCT TN 'QUAF' DISCLA CHLAM ;
    qdiv = MSMD '*' ((coef '*' TN) '+' (coef '*' lamgt)) ;
*
*   Surfaces integral contribution
*   
    
*
*   We add all the terms.
*   Since (div u, 1) = 0
*
    coef1 = ('SOMT' qdiv)  ;
    coef1 = coef1 '/' (l '*' l) ;
    chcoef = 'MANUEL' 'CHPO' DOM1 1 'SCAL' (coef1 '*' -1) ;
    qdiv = qdiv '+' (MSMDIV '*' chcoef) ;
*
*   coef1 thus computed is equal to
*
*   coef1 = \frac{\gamma-1}{\gamma PCOMP V} \times
*        \sum_j (\div (\lambda \grad T), Npj)
*
*   Let us now compute DPCOMSDT equal to
*
*   DPCOMSDT = \frac{\gamma-1}{V} \sum_j (\div (\lambda \grad T) , Npj)
*            = \gamma PCOMPM coef1
*      
*
    DPCOMSDT = coef1 '*' (gamma * PCOMPM) ;
    PCOMP = PCOMPM '+' (DPCOMSDT '*' DT) ;
    LPCO = LPCO 'ET' ('PROG' PCOMP) ;
*
*   NB in Boussinesq, DPCOMSDT = 0.0, PCOMP = PCOMPM = P0
*    
*********************************************
*** PMASS, via the integration of the EOS ***
*********************************************
*
*   Average temperature on each cell
*                     discpri discdu
    INTUST = INTINVT QDOM1 DISCT TN ;
    PMASS = (R '*' l '*' l '*' rho0) '/' INTUST ;
    DPMASSDT = (PMASS '-' PMASSM) '/' DT ;
    'SI' LBOUS;
       PMASS = PMASSM ;
       DPMASSDT = 0.0 ;
    'FINSI' ;
    LPMA = LPMA 'ET' ('PROG' PMASS) ;
*
*************
*** PTHER ***
*************
*
    'SI' LOGCOMP ;
       PTHER = PCOMP ;
       DPTHSDT = DPCOMSDT ;
    'SINON' ;
       PTHER = PMASS ;
       DPTHSDT = DPMASSDT ;
    'FINSI' ;
*   
*******************
*** Temperature ***
*******************
*
*   ((u \cdot \grad) T^{n+1}, Nt), LHS
*
    MKONT = MATKT QDOM1 'QUAF' UNTX UNTY 'T' DISCT ;
*
*   (-coef \div (alpha \grad T), Nt), LHS
*   Contribution of the integral on the volume, LHS 
*   The contribution of the integral of surface have
*   to be specified (if it is not 0)
*
*   coef = 1 '/' (rho '*' cp) =
*        = ((gamma '-' 1) '*' TNM) '/' (gamma '*' PTHER)
*
*   NB coef = CHPOINT with one component ('SCAL') on DISCT
*
    DISCOF = DISCT ;
    'SI' LBOUS ;
*
*   In Boussinesq approx coef = 1 '/' (rho0 '*' cp)
*
       coef = ((gamma '-' 1) '/' (gamma '*' p0)) '*' T0 ;
       COEFL = 'MANUEL' 'CHPO' DOMT 1 'SCAL' coef ;
    'SINON' ;
       COEFL = ((gamma '-' 1) '/' (gamma '*' pther)) '*'
               ('NOMC' TNM 'SCAL') ;
    'FINSI' ;
    MLAPT = (MATLAP QDOM1 'T' DISCT 'T' DISCT DISCLA CHLAM DISCOF
             COEFL) ;
*
*   Source term
*
*   (coef * Tn,Lt) = coef (Tn,Lt) RHS
*    
*   where coef = ((gamma '-' 1) '*' DPTHSDT) '/' (gamma '*' PTHER)
*              =FLOTTANT
*
    COEFL = (((gamma '-' 1) '*' DPTHSDT) '/' (gamma '*' PTHER))
       '*' TNM ;
    qtt   = MSOUTEM '*' COEFL ;
*
*   ((1 '/' dt) T^{n}, Nt), RHS
*
    qtt  = qtt '+' (MMASTSDT '*' TNM) ;
*
*   Temperature: LHS, RHS:
*
    'MESSAGE' ;
    'MESSAGE' 'Computation of T' ;
    mtott = mmastsdt 'ET' mkont 'ET' mlapt ;
    smbt = qtt ;    
    mtotik = 'KOPS' 'RIMA' mtott ;
    'SI' ((&BL1 'EGA' 1) 'OU' ('EGA' METINV 'DIRECT')) ;
       mprect = mtotik ;
    'SINON' ;
       'SI' (('EGA' ((&BL1 '/' NFREQP) '*' NFREQP) &BL1) 'ET'
             (ERROT > ERROPRE)) ;
          mprect = mtotik ;
          'MESSAGE' 'Computation of preconditioner' ;
       'FINSI' ;
    'FINSI' ;
    TN = RESOUP FAUX mtotik mprect smbt (TNLIM) 1.0D-60 NITERT
         PREC TABRESTN METINV ;
*
*************
*** Speed ***
*************
*    
*   ((1 '/' dt) ux^{n}, Nv), RHS
*   ((1 '/' dt) uy^{n}, Nv), RHS
*
    qtv =  (MMASVSDT '*' UNM) ;
*
*   ((u \cdot \grad) ux^{n+1}, Nv), LHS
*   ((u \cdot \grad) uy^{n+1}, Nv), LHS
*
    MKONV = (MATKV QDOM1 'QUAF' 'QUAF' UNTX UNTY) ;
*    
*   (-coef \div (nu \tau), Nv), LHS
*   contribution of the integral on the volume, LHS 
*   Contribution of the integral of surface have to be specified
*   (if it is not 0).
*
*
*   coef =  1/rho = (R '/' PTHER) '*' TN
*
    DISCOF = DISCT ;
    'SI' LBOUS ;
*
*      coef = RT0/P0
*
       coef = (R '/' P0) '*' T0 ;
       COEFL = 'MANUEL' 'CHPO' DOMT 1 'SCAL' coef ;
    'SINON' ;
       COEFL = (R '/' PTHER) '*' ('NOMC' TN 'SCAL') ;
    'FINSI' ;
    MLAPV = MATTAU QDOM1 'QUAF' DISCMU DISCOF CHMU COEFL ;
*
*   (coef \dep{p}{x}, Nv), LHS  (RHS in projection)
*   (coef \dep{p}{y}, Nv), LHS  (RHS in projection)
*   contribution of the integral on the volume, RHS 
*   Contribution of the integral of surface have to be specified (if it
*   is not 0).
*
*   NB coef of gradP and div tau are the same
*   But gradP is on the RHS, tau in the LHS
*
    MPRE = MATPRE QDOM1 NOMPRE 'LINE' 'QUAF' DISCOF COEFL ;
    'SI' ('NON' LOGFI) ;
       qtv = qtv '+' (MPRE '*' (-1 '*' PN)) ;
    'FINSI' ;
*
*   (g ((rho_0 '/' rho) '-' 1) , Nv) j, RHS
*    
    'SI' LBOUS ;
*
*       (g (T/T0 '-' 1) , Nv) j, RHS
*
        CHPO1 = ((TN '/' T0) '-' 1.) '*' g ;
    'SINON' ;
        CHPO1 = ((TN '*' (P0 '/' (T0'*' PTHER))) '-' 1.) '*' g ;
    'FINSI' ;
    qtv = qtv '+' (MSOUGRA '*' CHPO1) ;
*
*   Speed: LHS, RHS
*
    'SI' LOGFI ;
       'MESSAGE' ;
       'MESSAGE' 'Computation of U' ;
       mtotv = MMASVSDT 'ET' MKONV 'ET' MLAPV 'ET' MPRE 'ET' MDIV ;
*       mtotv = MMASVSDT 'ET' MKONV 'ET' MLAPV ;
*       mdiv2 = 'KOPS' 'RIMA' mdiv ;
*       mdiv2 = 'KOPS' 'RELA' mdiv2 'SIMP' ;
       smbv  = qtv '+' qdiv ;
       mtotik = 'KOPS' 'RIMA' mtotv ;
*       mtotik = 'ET' mtotik mdiv2 ;
       'SI' ((&BL1 'EGA' 1) 'OU' ('EGA' METINV 'DIRECT')) ;
          mprecufi = mtotik ;
       'SINON' ;
          'SI' (('EGA' ((&BL1 '/' NFREQP) '*' NFREQP) &BL1) 'ET'
                (ERRO > ERROPRE)) ;
             mprecufi = mtotik ;
             'MESSAGE' 'Computation of preconditioner' ;
          'FINSI' ;
       'FINSI' ;
       'SI' ('EGA' ('TYPE' NITERU) ENTIER) ;
          UNP = RESOUP FAUX mtotik mprecufi smbv UNLIM 1.0D-60 NITERU
                PREC TABRESUN METINV ;
       'SINON' ;
          UNP = RESOUP FAUX mtotik mprecufi smbv UNLIM 1.0D-16 200
                PREC TABRESUN METINV ;
       'FINSI' ;
       UN = 'EXCO' ('MOTS' 'UX' 'UY') UNP ('MOTS' 'UX' 'UY') ;
       PN = 'EXCO' ('MOTS' NOMPRE) UNP ('MOTS' NOMPRE) ;
    'SINON' ;
*
****   Speed without divergence constraint
*    
       'MESSAGE' ;
       'MESSAGE' 'Computation of Util' ;
       mtotv = mmasvsdt 'ET' MKONV 'ET' MLAPV ;
       smbv  = qtv ;
       mtotik = 'KOPS' 'RIMA' mtotv ;
       'SI' ((&BL1 'EGA' 1) 'OU' ('EGA' METINV 'DIRECT')) ;
          mprecut = mtotik ;
       'SINON' ;
          'SI' (('EGA' ((&BL1 '/' NFREQP) '*' NFREQP) &BL1) 'ET'
                (ERRO > ERROPRE)) ;
             mprecut = mtotik ;
             'MESSAGE' 'Computation of preconditioner' ;
          'FINSI' ;
       'FINSI' ;
       'SI' ('EGA' ('TYPE' NITERUT) ENTIER) ;
          UNTIL = RESOUP FAUX mtotik mprecut smbv UNLIM 1.0D-60
             NITERUT PREC TABRESUN METINV ;
       'SINON' ;
          UNTIL = RESOUP FAUX mtotik mprecut smbv UNLIM 1.0D-16
             200 PREC TABRESUN METINV ;
       'FINSI' ;
*
****   Dynamic pressure
*
*      First of all, we have to compute the laplacian
*      of the dynamic pressure increment
*
*      (-coef \div coef1 \grad P, Np), LHS
*
*      coef =  -1 
*      coef1 =  1/rho = (R '/' PTHER) '*' TN
*
       COEF = 'MANUEL' 'CHPO' DOM1 1 'SCAL' -1.0 ;
       DISCOF = DISCT ;
       'SI' LBOUS ;
*
*         coef1 = RT0/P0
*
          coef1 = (R '/' P0) '*' T0 ;
          COEF1 = 'MANUEL' 'CHPO' DOMT 1 'SCAL' coef1 ;
       'SINON' ;
          COEF1 = (R '/' PTHER) '*' ('NOMC' TN 'SCAL') ;
       'FINSI' ;
       MLAPP = (MATLAP QDOM1 NOMPRE 'LINE' NOMPRE 'LINE' DISCOF COEF1
                'LINE'  COEF) ;
       'MESSAGE' ;
       'MESSAGE' 'Computation of deltaP' ;
       qpv = MDIV '*' UNTIL ;
       qpv = (qpv '-' qdiv) '/' DT ;
       mtotik = 'KOPS' 'RIMA' MLAPP ;
       'SI' ((&BL1 'EGA' 1) 'OU' ('EGA' METINV 'DIRECT')) ;
          mprecp = mtotik ;
       'SINON' ;
          'SI' (('EGA' ((&BL1 '/' NFREQP) '*' NFREQP) &BL1) 'ET'
                (ERRO > ERROPRE)) ;
             mprecp = mtotik ;
             'MESSAGE' 'Computation of preconditioner' ;
          'FINSI' ;
       'FINSI' ;
       'SI' ('EGA' ('TYPE' NITERP) ENTIER) ;
          DELTAP = RESOUP FAUX mtotik mprecp qpv PNLIM 1.0D-60 NITERP
              PREC TABRESDP METINV ;
       'SINON' ;
          DELTAP = RESOUP FAUX mtotik mprecp qpv PNLIM 1.0D-16 200 
              PREC TABRESDP METINV ;
       'FINSI' ;
       PN = PN '+' DELTAP ;
*
****   Speed (with divergence constraint)
*
       'MESSAGE' ;
       'MESSAGE' 'Computation of deltaU' ;
       qtv = MPRE '*' DELTAP ;
       DELTAU = RESOUP FAUX  MMASIK MMASIK qtv UNLIM 1.0D-16 200
            PREC TABRESDU METINV ;
       UN = UNTIL '-' DELTAU ;
    'FINSI' ;
*    
***********************************************
**** Post-treatment and convergence check *****
***********************************************
*
    'SI' (((&BL1 '/' NFREQ) '*' NFREQ) 'EGA' &BL1) ;
        ERRO  = 'MAXIMUM' (UN '-' UNM) 'ABS' ;
        ERROT = 'MAXIMUM' (TN '-' TNM) 'ABS' ;
        ERROP = 'MAXIMUM' (PN '-' PNM) 'ABS' ;
        'MESSAGE' ;
        'MESSAGE' ('CHAINE' 'TEMPORAL ITER = ' &BL1
                   ', TPS = ' TPS  ',  ERRO = '
                   ERRO) ;
        'MESSAGE' ;
        LIT = LIT 'ET' ('PROG' &BL1) ;
        L10 = 'LOG' 10. ;
        LER = LER 'ET' ('PROG' (('LOG' (ERRO '+' 1.0D-20)) '/' L10)) ;
*        EVER = 'EVOL' 'MANU' 'it' LIT 'Log(Err)' LER ;
        L10 = 'LOG' 10. ;
        LERT = LERT 'ET'
               ('PROG' (('LOG' (ERROT '+' 1.0D-20)) '/' L10));
        LERP = LERP 'ET'
               ('PROG' (('LOG' (ERROP '+' 1.0D-20)) '/' L10));
        EVERT = 'EVOL' 'MANU' 'it' LIT 'Log(Err)' LERT ;
        'SI' GRAPH ;
           'SI' (((&BL1 '/' (2 '*' NFREQ)) '*'
                  (2 '*' NFREQ)) 'EGA' &BL1) ;
             'DESSIN' EVERT 'TITR' 'Convergence history (T)' 'YBOR'
                -7. 1  'NCLK' ;
*            'DESSIN' EVER 'TITR' 'Convergence history (v)' 'NCLK' ;
           'SINON' ;
              VUN = 'VECTEUR' UN ;
              'TRACER' TN DOM1 VUN 'TITRE'
                  ('CHAINE' 'TPS =' TPS) 'NCLK' ;
*              EVP  = 'EVOL' 'MANU' 'it' LIT1 'Pther' LPMA ;
*              EVP2 = 'EVOL' 'MANU' 'it' LIT1 'Pther' LPCO ;
*              'DESSIN' (EVP 'ET' EVP2) 'TITR' TITP 'LEGE' TAB1 'NCLK' ;
           'FINSI' ;
        'FINSI' ;
        'SI' ((ERROT < 5.0D-2) 'ET' (ERRO < 1.0D-4)) ;
           'QUITTER' BL1 ;
        'FINSI' ;
    'FINSI' ;
*    
 'FIN' BL1 ;
*
***** Post treatment
*
 EVER = 'EVOL' 'MANU' 'it' LIT 'Log(Err)' LER ;
 'SI' GRAPH ;
    'DESSIN' EVER 'TITR' 'Convergence history (v)' ;
    'DESSIN' EVERT 'TITR' 'Convergence history (T)' ;
 'FINSI' ;
 EVERP = 'EVOL' 'MANU' 'it' LIT 'Log(Err)' LERP ;
 'SI' GRAPH ;
    'DESSIN' EVERP 'TITR' 'Convergence history (P)' ;
 'FINSI' ;
*
 EVP  = 'EVOL' 'MANU' 'it' LIT1 'Pther' LPMA ;
 EVP2 = 'EVOL' 'MANU' 'it' LIT1 'Pther (comp. constr.)' LPCO ;
 'SI' GRAPH ;
    'DESSIN' (EVP 'ET' EVP2) 'TITR' 'Pressure evolution' 'LEGE' TAB1 ;
 'FINSI' ;
 UX = 'EXCO' UN 'UX' ;
 UY = 'EXCO' UN 'UY' ;
 VECN = 'VECTEUR' UN ;
 'SI' GRAPH ;
    'TRACER' TN DOM1 'TITRE' 'T' ; 
    'TRACER' UX DOM1 VECN 'TITR' 'ux' ;
    'TRACER' UY DOM1 VECN 'TITR' 'uy' ;
 'FINSI' ;
*
**** Thermal flux and nusselt
*
 lamgt = CHPFLU QDOM1 DISCT TN 'QUAF' DISCLA CHLAM ;
 NORMX = 'MANUEL' 'CHPO' QDOM1 1 'UX'  1.0 ;
 NORMY = 'MANUEL' 'CHPO' QDOM1 1 'UY'  0.0 ;
 QQ = 'PSCAL' lamgt (normx '+' normy) ('MOTS' 'UX' 'UY')
    ('MOTS' 'UX' 'UY') ;
 QQ41 = 'REDU' QQ QA4A1 ;
 QQ23 = 'REDU' QQ QA2A3 ;
 EVQLEFT = 'EVOL' 'CHPO' QQ41 QA4A1 ;
 EVQRIGH = 'EVOL' 'CHPO' (QQ23) QA2A3 ;
*
 coef = lambda0 '*' (Th '-' Tc) '/' l ;
 NULEFT = EVQLEFT '/' coef ;
 NURIGH = EVQRIGH '/' coef ;
*
 TAB1 = 'TABLE' ;
 TAB1 . 1 = 'MOT' 'TIRR ';
 TAB1 . 2 = 'MOT' 'MARQ CROI NOLI';
 TAB1 . 'TITRE'     = 'TABLE' ;
 TAB1 . 'TITRE' . 1 = 'MOT' 'Left'  ;
 TAB1 . 'TITRE' . 2 = 'MOT' 'Right' ;
 'SI' GRAPH ;
    'DESSIN' (NULEFT 'ET' NURIGH) 'TITRE' 'Nusselt' 'GRILL'
       LEGE TAB1 ;
 'FINSI' ;
*
 aa = 'PRIM' NULEFT ;
 aa = 'IPOL' (0.99999 '*' l) ('EXTR' aa 'ABSC') ('EXTR' aa 'ORDO') ;
 aa = aa '/' l ;
 'SI' GRAPH ;
    'DESSIN' NULEFT 'TITRE' ('CHAINE' 'Average Nusselt = ' aa) 'GRILL'
       'MIMA' ;
 'FINSI' ;
*   
  bb = 'PRIM' NURIGH ;
  bb = 'IPOL' (0.99999 '*' l) ('EXTR' bb 'ABSC') ('EXTR' bb 'ORDO') ;
  bb = bb '/' l ;
 'SI' GRAPH ;
    'DESSIN' NURIGH 'TITRE' ('CHAINE' 'Average Nusselt = ' bb)
       'MIMA' ;
 'FINSI' ;
*
**** Temperature
*
 'SI' GRAPH ;
    'OPTION' 'ISOV' 'LIGN' ;
     'TRACER' DOMT TN ('CONTOUR' DOMT) 'TITR' 'Temperature' ;
 'FINSI' ;
**
** 'OUBLIER' RIGIDITE object
**
* 'OUBLIER' MFLU    ;
* 'OUBLIER' MTOTV   ;
* 'OUBLIER' MPRE    ;
* 'OUBLIER' MLAPV   ;
* 'OUBLIER' MKONV   ;
* 'OUBLIER' MTOTT   ;
* 'OUBLIER' MLAPT   ;
* 'OUBLIER' MKONT   ;
* 'OUBLIER' MSMDIV  ;
* 'OUBLIER' MSMD    ;
* 'OUBLIER' MSMD23  ;
* 'OUBLIER' MSMD41  ;
* 'OUBLIER' MSMD1   ;
* 'OUBLIER' MSOUTEM ;
* 'OUBLIER' MSOUGRA ;
* 'OUBLIER' MDIV    ;
* 'OUBLIER' MMASTSDT;
* 'OUBLIER' MMAST   ;
* 'OUBLIER' MMASVSDT;
* 'OUBLIER' MMASV   ;
**
** 'OUBLIER' MATRIK object
** 
* 'OUBLIER' MTOTIK   ;
* 'OUBLIER' MMASIK   ;
* 'OUBLIER' MPRECT   ;
* 'OUBLIER' MPRECUT  ;
* 'OUBLIER' MPRECP   ;
* 'OUBLIER' MPRECUFI ;
*
* 'MENAGE' ;
* 
* 'OPTION' 'SAUVER' ('CHAINE' REPSAU
*                             'resu' NXS2 '.sauv') ;
* 'SAUVER' ;
*
*
* Tests 
*
 'SI' (&BL1 > 200) ;
    'MESSAGE' 'Convergence not reached.' ;
    'ERREUR' 5 ;
 'FINSI' ;
 'SI' LBOUS ;
     aa = extr NULEFT 'ORDO' ;
     bb = extr NURIGH 'ORDO' ;
     erro = 'MAXIMUM' (aa - bb) 'ABS' ;
     'SI' (erro > 1.0D-8) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in Boussinesq approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
     'FINSI' ;
     maxaa = 'MAXIMUM' AA ;
     erro = ('ABS' (maxaa '-' 17.9)) '/' 17.9 ;
    'SI' (erro > 1.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in Boussinesq approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
     'FINSI' ;
 'SINON' ;
    erro = ('ABS' (PTHER '-' 86734.)) '/' 86734. ;
    'SI' (erro > 1.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
*   Values on the cold wall (left, A4A1) 
*   Values on the hot  wall (right, A2A3)
     aa = extr NULEFT 'ORDO' ;
     bb = extr NURIGH 'ORDO' ;
     maxaa =  'MAXIMUM' AA ;
     minaa =  'MINIMUM' AA ;
     maxbb =  'MAXIMUM' BB ;
     minbb =  'MINIMUM' BB ;
     erro = 'ABS' ((maxaa '-' 16.36)) '/' 16.36 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
     erro = 'ABS' ((maxbb '-' 19.60)) '/' 19.60 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
     erro = 'ABS' ((minaa '-' 0.854)) '/' 16.36 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
     erro = 'ABS' ((minbb '-' 1.073)) '/' 19.60 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
    aa = 'PRIM' NULEFT ;
    aa = 'IPOL' (0.99999 '*' l) ('EXTR' aa 'ABSC') ('EXTR' aa 'ORDO') ;
    aa = aa '/' l ;
    erro = ('ABS' (aa '-' 8.86)) '/' 8.86 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
    aa = 'PRIM' NURIGH ;
    aa = 'IPOL' (0.99999 '*' l) ('EXTR' aa 'ABSC') ('EXTR' aa 'ORDO') ;
    aa = aa '/' l ;
    erro = ('ABS' (aa '-' 8.86)) '/' 8.86 ;
    'SI' (erro > 5.0D-2) ;
        'MESSAGE' ;
        'MESSAGE' 'Problem in LM approx.' ;
        'MESSAGE' ;
        'ERREUR' 5 ;
    'FINSI' ;
 'FINSI' ;
* 
 'FIN' BLPAR ; 
 'FIN' ;
 

 

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