Manual pages | Cast3M

$$$$ PARC     NOTICE  CHAT      11/09/12    21:17:31     7124           
                                             DATE     11/09/12

    Operateur PARC                           Voir aussi : CERC
    --------------   
    GEO1 = PARC (N1)  POIN1 CENTR1 POIN2  ('DINI' DENS1) ('DFIN' DENS2)



    Description :
    _____________

    The PARC operator enables the user to construct a line made
 of a set of parabolic portions, approaching a circle of centre
CENTR1 between the points POIN1 and POIN2. The elements have
3 nodes. The two end nodes belong to the circle and their tangents
coincide with the tangents to the circle.

    Contents :
    __________

    POIN1 | : extreme points of the arc of the circle (POINT type)
    POIN2 |

    CENTR1  : circle centre (POINT type)

    N1      : number of generated elements (ENTIER type)

    DENS1 | : densities associated with the points POIN1 and POIN2
    DENS2 |   (FLOTTANT type)

    GEO1    : line created (MAILLAGE type)


    Note 1 :
    __________

      If N1 is not specified, the number of generated  elements as 
 well as their size will be computed in relation to the extreme point
 densities.
    If N1 is specified and positive, N1 elements of equal length
 will be generated.
    If N1 is negative, N1 elements will be generated and their  
 size will be computed according to the extreme point densities. 


     Note 2 :
     __________

      If the densities associated with the POIN1 and POIN2 points are 
 inaccurate, they may be increased. The accurate value of the first
 point will be mentioned after the 'DINI' key word, that of the 
 second point will be mentioned after the 'DFIN' key word.

     Note 3 :
     __________

     If a LIG1 line is given instead of the POIN1 point (or POIN2), 
 this line will be extended as far as the POIN2 point (the line begins
 at the POIN1 point).
    If the POIN2 point is not given, the first extreme point of the
 LIG1 line will be taken into account, which permits to close this
 line.