i6impact.F File Reference

#include "implicit_f.inc"
#include "mvsiz_p.inc"

Go to the source code of this file.

Functions/Subroutines
subroutine	i6ipmact (lold, irtl, irtlo, cst, irect, msr, nsv, v, vni, vnt, n1, n2, n3, ssc, ttc, h1, h2, h3, h4, xface, lft, llt, nft)

Function/Subroutine Documentation

i6ipmact()

subroutine i6ipmact	(	integer, dimension(*)	lold,
		integer, dimension(*)	irtl,
		integer, dimension(*)	irtlo,
			cst,
		integer, dimension(4,*)	irect,
		integer, dimension(*)	msr,
		integer, dimension(*)	nsv,
			v,
			vni,
			vnt,
		intent(in)	n1,
		intent(in)	n2,
		intent(in)	n3,
		intent(in)	ssc,
		intent(in)	ttc,
		intent(in)	h1,
		intent(in)	h2,
		intent(in)	h3,
		intent(in)	h4,
		intent(in)	xface,
		integer, intent(inout)	lft,
		integer, intent(inout)	llt,
		integer, intent(inout)	nft )

Definition at line 28 of file i6impact.F.

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, INTENT(INOUT) :: LFT
      INTEGER, INTENT(INOUT) :: LLT
      INTEGER, INTENT(INOUT) :: NFT
      INTEGER IRECT(4,*),MSR(*),NSV(*), IRTL(*), IRTLO(*), LOLD(*)
C     REAL
      my_real
     .   v(3,*),cst(2,*),vni(*),vnt(*)
      my_real, DIMENSION(MVSIZ), INTENT(IN) ::  n1,n2,n3,ssc,ttc,xface
      my_real, DIMENSION(MVSIZ), INTENT(IN) :: h1,h2,h3,h4
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,L,IL,IG,NN
C     REAL
      my_real
     .   vpx(llt),vpy(llt),vpz(llt),vix(llt),viy(llt),viz(llt),
     .   vx1(llt),vy1(llt),vz1(llt),vx2(llt),vy2(llt),vz2(llt),
     .   vx3(llt),vy3(llt),vz3(llt),vx4(llt),vy4(llt),vz4(llt)
      my_real
     .   dvx,dvy,dvz,vtx,vty,vtz
C-----------------------------------------------
      DO i=lft,llt
        il = i+nft
c
        IF (xface(i) == zero) THEN            ! no impact     
          irtlo(il) = 0
          lold(i)   = 0                  
        ELSE
          lold(i) = iabs(irtlo(il))
          IF (lold(i) == 0) THEN              ! first time impact
            irtlo(il) = irtl(il)*xface(i)
            cst(1,il) = ssc(i)
            cst(2,il) = ttc(i)
          ENDIF
        ENDIF
      ENDDO
c-----------------------------
      DO i=lft,llt
        il = i+nft
        IF (lold(i) == 0) THEN              ! first time impact
          vni(i) = zero
          vnt(i) = zero
        ELSE
          ig = nsv(il)     
          l  = irtl(il)
c
          vix(i) = v(1,ig) 
          viy(i) = v(2,ig) 
          viz(i) = v(2,ig) 
c
          nn = msr(irect(1,lold(i)))   
          vx1(i) = v(1,nn) 
          vy1(i) = v(2,nn) 
          vz1(i) = v(2,nn) 
          nn = msr(irect(2,lold(i))) 
          vx2(i) = v(1,nn) 
          vy2(i) = v(2,nn) 
          vz2(i) = v(2,nn) 
          nn = msr(irect(3,lold(i))) 
          vx3(i) = v(1,nn) 
          vy3(i) = v(2,nn) 
          vz3(i) = v(2,nn) 
          nn = msr(irect(4,lold(i))) 
          vx4(i) = v(1,nn) 
          vy4(i) = v(2,nn) 
          vz4(i) = v(2,nn) 
c
          vpx(i) = h1(i)*vx1(i)+h2(i)*vx2(i)+h3(i)*vx3(i)+h4(i)*vx4(i)
          vpy(i) = h1(i)*vy1(i)+h2(i)*vy2(i)+h3(i)*vy3(i)+h4(i)*vy4(i)
          vpz(i) = h1(i)*vz1(i)+h2(i)*vz2(i)+h3(i)*vz3(i)+h4(i)*vz4(i)
          dvx = vix(i)-vpx(i)
          dvy = viy(i)-vpy(i)
          dvz = viz(i)-vpz(i)
c
          vni(i) = n1(i) * dvx + n2(i) * dvy + n3(i) * dvz
          
          vtx = dvx - vni(i)*n1(i)
          vty = dvy - vni(i)*n2(i)
          vtz = dvz - vni(i)*n3(i)
          vnt(i) = sqrt(vtx**2 +  vty**2 +  vtz**2)        
        ENDIF
      ENDDO
C-----------
      RETURN