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$$$$ @CLDH    NOTICE  CHAT      11/09/12    21:15:28     7124           
                                             DATE     11/09/12

    Procedure @CLDH           Voir aussi: @CLIM, @KEFF, KEFFT
    ----------------
        
        RIG1 F1 = @CLDH MAIL0 TAB1;
    
    Auteurs:   L. GELEBART (CEA Saclay DEN/DMN/SRMA)
    --------   G.TREGO (CEA Saclay DEN/DMN/SRMA)        
    
    Date :     10/2006
    ------
    
    Exemple associe :     test_AMITEX.dgibi
    -----------------
    
    Contact :   lionel(dot)gelebart(at)cea(dot)fr
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    Purpose :
    ---------
    This procedure allows to build the stiffness matrix and the
    nodal forces associated to a set of uniform kinematic 
    boundary conditions with a prescribed mean strain.
    
    Comments :
    --------------
    MAIL0 : Mesh  (MAILLAGE)
    TAB1  : Applied mean strain (TABLE) according to :
               TAB1.1 = EXX, 
               TAB1.2 = EYY, 
               TAB1.3 = EZZ, 
               TAB1.4 = EXY, 
               TAB1.5 = EXZ, 
               TAB1.6 = EYZ,
    RIG1  : Stiffness matrix (RIGIDITE)
    F1    : Nodal forces (CHPOINT)  
               
    Remarques :
    -----------
       This procedure uses the envelop of the mesh so that the
       geometry of the volume element is not restricted to
       parallelepiped volumes. Caution should be paid when
       considering porous microstructures.