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$$$$ SENS     NOTICE  CHAT      11/09/12    21:18:03     7124           
                                             DATE     11/09/12

    Operateur SENS                           Voir aussi : CCON                  
    --------------   
   a)
                                                         
    TAB1 = SENS CHAM1 CHAM2 ;   

   b)  
 
    TAB2 = SENS TAB1 ;                         



    Description :
    ____________
   a)
  The operator SENS computes the difference between two fields
CHAM1 and CHAM2 ( CHAM1 - CHAM2) of MCHAML type. Then the average
value is computed for each element and is put in object TABLE
whith integer index from one to the number of elements. 

   b)
   The operator SENS determine how closed outlines are oriented
in dimension 2. TAB1 has the same format as the table generated
by CCON.

       TAB1 . integer ---> mesh of the outline (SEG2 ou SEG3)

   the resulting table is

       TAB2 . integer ---> +/- 1
 
   Each mesh is associated either +1 or -1

        +1 if the orientation is trigonometric
        -1 if the orientation is clockwise


    Comments :
   __________

 a)
 The two objects CHAM1 and CHAM2 must be defined on the same
domain with same sub-structures.
 This operator is usefull for optimisation to prepare the 
computation of sensibilities.
 
 b)
 under the option MODE AXIS (axisymmetric mode of computation) the outline is
 necessarly closed. Points located on the axis (Oz) are connected to each
 other.