C CPCONT    SOURCE    CHAT      05/01/12    22:26:00     5004
      SUBROUTINE CPCONT(BDON,CDON,YNU,YOUN)
C---------------------------------------------
C   PERMET DE CALCULER LE TENSEUR EPSILLON
C   A PARTIR DU TENSEUR SIGMA EN CONT PLANES
C---------------------------------------------
      IMPLICIT INTEGER(I-N)
      IMPLICIT REAL*8(A-H,O-Z)
      DIMENSION CDON(*),BDON(*)
      CDON(1)=(BDON(1)-YNU*BDON(2))/YOUN
      CDON(2)=(BDON(2)-YNU*BDON(1))/YOUN
      CDON(3)=-(BDON(2)+BDON(1))/YOUN*YNU
      CDON(4)=BDON(4)/YOUN*(1.D0+YNU)
      RETURN
      END