q4kegij2.F

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!||====================================================================
!||    q4kegij2   ../engine/source/elements/solid_2d/quad4/q4kegij2.F
!||====================================================================
      SUBROUTINE q4kegij2 (LFT, LLT, 
     .                     PYI, PZI, PYJ, PZJ, AYS, KIJ, 
     .                     FYY, FZZ, FXX, FYZ)
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   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com01_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER LFT,LLT
      my_real
     .   pyi(*), pzi(*), pyj(*), pzj(*), ays(*), 
     .   fyy(*), fzz(*), fxx(*), fyz(*), kij(2,2,*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,J,K
      my_real
     .   gij(mvsiz), hij(2,2,mvsiz), ag, ah,
     .   byiyj,bzizj,byizj,bziyj
C-----------------------------------------------
C   S o u r c e  L i n e s
C-----------------------------------------------
      ag = 0. !0;1;1
      ah = 0. !0;0;2
C-----PART 1
      DO i=lft,llt
        gij(i) = fyy(i)*pyi(i)*pyj(i) + fzz(i)*pzi(i)*pzj(i) + 
     .           fyz(i)*(pyi(i)*pzj(i)+pzi(i)*pyj(i))
      ENDDO
      IF (n2d==1) THEN
        DO i=lft,llt
          gij(i) = gij(i) + fxx(i)*ays(i)
        ENDDO
      ENDIF
      DO i=lft,llt
        DO j=1,2
          kij(j,j,i) = kij(j,j,i) + ag*gij(i)
        ENDDO
      ENDDO
C-----PART 2
      DO i=lft,llt
        byiyj = pyi(i)*pyj(i)
        bzizj = pzi(i)*pzj(i)
        byizj = pyi(i)*pzj(i)
        bziyj = pzi(i)*pyj(i)
        hij(1,1,i) = fyy(i)*(byiyj+bzizj) + fzz(i)*bzizj + 
     .               fyz(i)*(byizj+bziyj)
        hij(1,2,i) = (fyy(i)+fzz(i))*bziyj + fyz(i)*(byiyj+bzizj)
        hij(2,1,i) = (fyy(i)+fzz(i))*byizj + fyz(i)*(byiyj+bzizj)
        hij(2,2,i) = fyy(i)*byiyj + fzz(i)*(byiyj+bzizj) + 
     .               fyz(i)*(byizj+bziyj)
      ENDDO
      IF (n2d==1) THEN
        DO i=lft,llt
          hij(1,1,i) = hij(1,1,i) + fxx(i)*ays(i)
        ENDDO
      ENDIF
      DO i=lft,llt
        DO j=1,2
        DO k=1,2
          kij(k,j,i) = kij(k,j,i) - ah*hij(k,j,i)
        ENDDO
        ENDDO
      ENDDO
C
      RETURN
      END