bimat2.F

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!||====================================================================
!||    bimat2        ../starter/source/ale/bimat/bimat2.F
!||--- called by ------------------------------------------------------
!||    binit2        ../starter/source/ale/bimat/binit2.F
!||--- uses       -----------------------------------------------------
!||====================================================================
      SUBROUTINE bimat2(VOLT,ALPH,FILL,VOL,OFF,IX)
      use element_mod , only :nixq
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      "vect01_c.inc"
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER IX(NIXQ,MVSIZ)
      my_real volt(mvsiz),alph(mvsiz),fill(*),vol(mvsiz),off(mvsiz)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, MT
      INTEGER IX1, IX2, IX3, IX4
      my_real alphn, alphd
C-----------------------------------------------
C   S o u r c e   C o d e
C-----------------------------------------------
      DO i=lft,llt
        off(i)=one
        alph(i) = zero
        mt=iabs(ix(1,i))
        ix1 = ix(2, i)
        ix2 = ix(3, i)
        ix3 = ix(4, i)
        ix4 = ix(5, i)
        alphn= max(fill(ix1),zero)
     .       + max(fill(ix2),zero)
     .       + max(fill(ix3),zero)
     .       + max(fill(ix4),zero)
        alphd=abs(fill(ix1))
     .       +abs(fill(ix2))
     .       +abs(fill(ix3))
     .       +abs(fill(ix4))
        IF(alphd>em20)alph(i)=alphn/alphd
        vol(i)=alph(i)*volt(i)
      ENDDO
C-----------
      RETURN
      END