s8edefw3.F

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!||====================================================================
!||    s8edefw3   ../engine/source/elements/solid/solide8e/s8edefw3.F
!||--- called by ------------------------------------------------------
!||    s8eforc3   ../engine/source/elements/solid/solide8e/s8eforc3.F
!||    s8sforc3   ../engine/source/elements/solid/solide8s/s8sforc3.F
!||    s8zforc3   ../engine/source/elements/solid/solide8z/s8zforc3.F
!||====================================================================
      SUBROUTINE s8edefw3(
     1   PX1,     PX2,     PX3,     PX4,
     2   PY1,     PY2,     PY3,     PY4,
     3   PZ1,     PZ2,     PZ3,     PZ4,
     4   VX1,     VX2,     VX3,     VX4,
     5   VX5,     VX6,     VX7,     VX8,
     6   VY1,     VY2,     VY3,     VY4,
     7   VY5,     VY6,     VY7,     VY8,
     8   VZ1,     VZ2,     VZ3,     VZ4,
     9   VZ5,     VZ6,     VZ7,     VZ8,
     A   WXX,     WYY,     WZZ,     NEL)
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com08_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN) :: NEL
C     REAL
      my_real
     .   VX1(*), VX2(*), VX3(*), VX4(*), VX5(*), VX6(*), VX7(*), VX8(*),
     .   VY1(*), VY2(*), VY3(*), VY4(*), VY5(*), VY6(*), VY7(*), VY8(*),
     .   VZ1(*), VZ2(*), VZ3(*), VZ4(*), VZ5(*), VZ6(*), VZ7(*), VZ8(*),
     .   PX1(*), PX2(*), PX3(*), PX4(*),
     .   PY1(*), PY2(*), PY3(*), PY4(*),
     .   PZ1(*), PZ2(*), PZ3(*), PZ4(*), 
     .   WXX(*), WYY(*), WZZ(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER  I, J
C     REAL
      my_real
     .   DXY, DYX, DXZ,
     .   DZY, DYZ, DZX,
     .   VX17, VY17, VZ17,
     .   VX28, VY28, VZ28,
     .   VX35, VY35, VZ35,
     .   VX46, VY46, VZ46, DT1D2, DT1D
C-----------------------------------------------
      dt1d2=half*dt1
       DO i=1,nel
         vx17=vx1(i)-vx7(i)
         vx28=vx2(i)-vx8(i)
         vx35=vx3(i)-vx5(i)
         vx46=vx4(i)-vx6(i)
         vy17=vy1(i)-vy7(i)
         vy28=vy2(i)-vy8(i)
         vy35=vy3(i)-vy5(i)
         vy46=vy4(i)-vy6(i)
         vz17=vz1(i)-vz7(i)
         vz28=vz2(i)-vz8(i)
         vz35=vz3(i)-vz5(i)
         vz46=vz4(i)-vz6(i)
         dxy=py1(i)*vx17+py2(i)*vx28+
     .    py3(i)*vx35+py4(i)*vx46
         dxz=pz1(i)*vx17+pz2(i)*vx28+
     .    pz3(i)*vx35+pz4(i)*vx46
         dyx=px1(i)*vy17+px2(i)*vy28+
     .    px3(i)*vy35+px4(i)*vy46
         dyz=pz1(i)*vy17+pz2(i)*vy28+
     .    pz3(i)*vy35+pz4(i)*vy46
         dzx=px1(i)*vz17+px2(i)*vz28+
     .    px3(i)*vz35+px4(i)*vz46
         dzy=py1(i)*vz17+py2(i)*vz28+
     .    py3(i)*vz35+py4(i)*vz46
C
        wzz(i)=dt1d2*(dyx-dxy)
        wyy(i)=dt1d2*(dxz-dzx)
        wxx(i)=dt1d2*(dzy-dyz)
       ENDDO
C
C
      RETURN
C
      END