s8zkebg1.F

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!||====================================================================
!||    s8zkebg1   ../engine/source/elements/solid/solide8z/s8zkebg1.F
!||--- called by ------------------------------------------------------
!||    s10cumg3   ../engine/source/elements/solid/solide10/s10cumg3.F
!||    s20cumg3   ../engine/source/elements/solid/solide20/s20cumg3.F
!||    s4cumg3    ../engine/source/elements/solid/solide4/s4cumg3.F
!||====================================================================
      SUBROUTINE s8zkebg1(LFT,LLT,
     .   PXI, PYI ,PZI ,PXJ, PYJ, PZJ, DG, KIJ,IS)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   G l o b a l   P a r a m e t e r s
C-----------------------------------------------
#include      "mvsiz_p.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER LFT,LLT,IS
C     REAL
      my_real
     .   pxi(*), pxj(*),pyi(*), pyj(*), pzi(*), pzj(*),  
     .   dg(3,3,*), kij(3,3,*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,J,EP
C     REAL
      my_real
     .   bi(3,mvsiz),bj(3,mvsiz),ci(3,3,mvsiz),cj(3,3,mvsiz)
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7--
      IF (is==1) THEN
        DO i=lft,llt
         bi(1,i)=pxi(i)
         bi(2,i)=pyi(i)
         bi(3,i)=pzi(i)
        ENDDO
       DO i=lft,llt
        ci(1,1,i)=pyi(i)
        ci(1,2,i)=pxi(i)
        ci(1,3,i)=zero
        ci(2,1,i)=zero
        ci(2,2,i)=pzi(i)
        ci(2,3,i)=pyi(i)
        ci(3,1,i)=pzi(i)
        ci(3,2,i)=zero
        ci(3,3,i)=pxi(i)
       ENDDO
C------use tempo CJ----
       DO i=1,3 
       DO j=1,3 
        DO ep=lft,llt
          cj(i,j,ep)=zero
        ENDDO
       ENDDO
       ENDDO
C
       DO j=1,3 
        DO ep=lft,llt
          cj(1,j,ep)=cj(1,j,ep)+bi(1,ep)*(dg(1,1,ep)*ci(1,j,ep)+
     1                  dg(1,2,ep)*ci(2,j,ep)+dg(1,3,ep)*ci(3,j,ep))
          cj(2,j,ep)=cj(2,j,ep)+bi(2,ep)*(dg(2,1,ep)*ci(1,j,ep)+
     3                  dg(2,2,ep)*ci(2,j,ep)+dg(2,3,ep)*ci(3,j,ep))
          cj(3,j,ep)=cj(3,j,ep)+bi(3,ep)*(dg(3,1,ep)*ci(1,j,ep)+
     5                  dg(3,2,ep)*ci(2,j,ep)+dg(3,3,ep)*ci(3,j,ep))
        ENDDO
       ENDDO
C       
       DO i=1,3 
       DO j=i,3 
        DO ep=lft,llt
          kij(i,j,ep)=kij(i,j,ep)+cj(i,j,ep)+cj(j,i,ep)
        ENDDO
       ENDDO
       ENDDO
      ELSE
        DO i=lft,llt
         bi(1,i)=pxi(i)
         bi(2,i)=pyi(i)
         bi(3,i)=pzi(i)
        ENDDO
        DO i=lft,llt
         bj(1,i)=pxj(i)
         bj(2,i)=pyj(i)
         bj(3,i)=pzj(i)
        ENDDO
       DO i=lft,llt
        ci(1,1,i)=pyi(i)
        ci(1,2,i)=pxi(i)
        ci(1,3,i)=zero
        ci(2,1,i)=zero
        ci(2,2,i)=pzi(i)
        ci(2,3,i)=pyi(i)
        ci(3,1,i)=pzi(i)
        ci(3,2,i)=zero
        ci(3,3,i)=pxi(i)
       ENDDO
       DO i=lft,llt
        cj(1,1,i)=pyj(i)
        cj(1,2,i)=pxj(i)
        cj(1,3,i)=zero
        cj(2,1,i)=zero
        cj(2,2,i)=pzj(i)
        cj(2,3,i)=pyj(i)
        cj(3,1,i)=pzj(i)
        cj(3,2,i)=zero
        cj(3,3,i)=pxj(i)
       ENDDO
C       
       DO j=1,3 
        DO ep=lft,llt
          kij(1,j,ep)=kij(1,j,ep)+bi(1,ep)*(dg(1,1,ep)*cj(1,j,ep)+
     1                  dg(1,2,ep)*cj(2,j,ep)+dg(1,3,ep)*cj(3,j,ep))
          kij(2,j,ep)=kij(2,j,ep)+bi(2,ep)*(dg(2,1,ep)*cj(1,j,ep)+
     3                  dg(2,2,ep)*cj(2,j,ep)+dg(2,3,ep)*cj(3,j,ep))
          kij(3,j,ep)=kij(3,j,ep)+bi(3,ep)*(dg(3,1,ep)*cj(1,j,ep)+
     5                  dg(3,2,ep)*cj(2,j,ep)+dg(3,3,ep)*cj(3,j,ep))
        ENDDO
       ENDDO
C
       DO i=1,3 
        DO ep=lft,llt
          kij(i,1,ep)=kij(i,1,ep)+bj(1,ep)*(dg(1,1,ep)*ci(1,i,ep)+
     1                  dg(1,2,ep)*ci(2,i,ep)+dg(1,3,ep)*ci(3,i,ep))
          kij(i,2,ep)=kij(i,2,ep)+bj(2,ep)*(dg(1,2,ep)*ci(1,i,ep)+
     3                  dg(2,2,ep)*ci(2,i,ep)+dg(2,3,ep)*ci(3,i,ep))
          kij(i,3,ep)=kij(i,3,ep)+bj(3,ep)*(dg(1,3,ep)*ci(1,i,ep)+
     5                  dg(3,2,ep)*ci(2,i,ep)+dg(3,3,ep)*ci(3,i,ep))
        ENDDO
       ENDDO
      ENDIF
C 
      RETURN
      END