fxbdepla.F

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!||====================================================================
!||    fxbdepla   ../engine/source/constraints/fxbody/fxbdepla.F
!||--- called by ------------------------------------------------------
!||    fxbodfp1   ../engine/source/constraints/fxbody/fxbodfp.F
!||====================================================================
      SUBROUTINE fxbdepla(FXBDEP, FXBRPM, X  , D   , DN    , 
     .                    NSN   , FXBNOD, NME, NMOD, FXBMOD,
     .                    ISH   , IFILE , NFX, IRCM)
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      "units_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER DN, NSN, FXBNOD(*), NME, NMOD, ISH, IFILE, NFX, IRCM
      my_real
     .        fxbdep(*), fxbrpm(*), x(3,*), d(3,*), fxbmod(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,II,IAD,LMOD,N,NDDL,J
      my_real
     .   dt(3,dn), r(9), vmod(dn*6), vv(6)
C
      DO i=1,9
         r(i)=fxbrpm(i+1)
      ENDDO
      lmod=(dn+nsn)*6
C
      DO i=1,dn
         dt(1,i)=zero
         dt(2,i)=zero
         dt(3,i)=zero
      ENDDO
      DO i=1,12
         IF (ifile==0) THEN
            iad=(i-1)*lmod+nsn*6
            DO ii=1,dn*6
               vmod(ii)=fxbmod(iad+ii)
            ENDDO
         ELSEIF (ifile==1) THEN
            iad=0
            DO ii=1,dn
               ircm=ircm+1
               READ(ifxm,rec=ircm) (vv(j),j=1,6)
               DO j=1,6
                  vmod(iad+j)=vv(j)
               ENDDO
               iad=iad+6
            ENDDO
         ENDIF
         iad=0
         DO ii=1,dn
            dt(1,ii)=dt(1,ii)+fxbdep(i)*vmod(iad+1)
            dt(2,ii)=dt(2,ii)+fxbdep(i)*vmod(iad+2)
            dt(3,ii)=dt(3,ii)+fxbdep(i)*vmod(iad+3)
            iad=iad+6
         ENDDO
      ENDDO
      IF (ish>0.AND.ifile==1) THEN
         DO i=1,3
            DO ii=1,dn
               ircm=ircm+1
            ENDDO
         ENDDO
      ENDIF
C     
      IF (nmod>0) THEN
         DO i=1,nmod
            IF (ifile==0) THEN
               iad=(nme+i-1)*lmod+nsn*6
               DO ii=1,dn*6
                  vmod(ii)=fxbmod(iad+ii)
               ENDDO
            ELSEIF (ifile==1) THEN
               iad=0
               DO ii=1,dn
                  ircm=ircm+1
                  READ(ifxm,rec=ircm) (vv(j),j=1,6)
                  DO j=1,6
                     vmod(iad+j)=vv(j)
                  ENDDO
                  iad=iad+6
               ENDDO
            ENDIF
            iad=0
            DO ii=1,dn
               dt(1,ii)=dt(1,ii)+fxbdep(nme+i)*
     .              (r(1)*vmod(iad+1)+r(2)*vmod(iad+2)+
     .               r(3)*vmod(iad+3))
               dt(2,ii)=dt(2,ii)+fxbdep(nme+i)*
     .              (r(4)*vmod(iad+1)+r(5)*vmod(iad+2)+
     .               r(6)*vmod(iad+3))
               dt(3,ii)=dt(3,ii)+fxbdep(nme+i)*
     .              (r(7)*vmod(iad+1)+r(8)*vmod(iad+2)+
     .               r(9)*vmod(iad+3))
               iad=iad+6
            ENDDO
         ENDDO
      ENDIF
      DO i=1,dn
         ii=nsn+i
         n=fxbnod(ii)
         x(1,n)=x(1,n)-d(1,n)
         x(2,n)=x(2,n)-d(2,n)
         x(3,n)=x(3,n)-d(3,n)
         d(1,n)=dt(1,i)
         d(2,n)=dt(2,i)
         d(3,n)=dt(3,i)
         x(1,n)=x(1,n)+dt(1,i)
         x(2,n)=x(2,n)+dt(2,i)
         x(3,n)=x(3,n)+dt(3,i)
      ENDDO
C
      RETURN
      END