ssort_n4.F File Reference

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

Go to the source code of this file.

Functions/Subroutines
subroutine	ssort_n4 (xi, yi, zi, marge, x1, x2, x3, x4, y1, y2, y3, y4, z1, z2, z3, z4, ifc1, stif, nel)

Function/Subroutine Documentation

ssort_n4()

subroutine ssort_n4	(	intent(in)	xi,
		intent(in)	yi,
		intent(in)	zi,
		intent(in)	marge,
		intent(in)	x1,
		intent(in)	x2,
		intent(in)	x3,
		intent(in)	x4,
		intent(in)	y1,
		intent(in)	y2,
		intent(in)	y3,
		intent(in)	y4,
		intent(in)	z1,
		intent(in)	z2,
		intent(in)	z3,
		intent(in)	z4,
		integer, dimension(mvsiz), intent(inout)	ifc1,
		intent(in)	stif,
		integer, intent(in)	nel )

Definition at line 28 of file ssort_n4.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 (IN)  :: NEL
      INTEGER, DIMENSION(MVSIZ),INTENT (INOUT) :: IFC1
      my_real, DIMENSION(MVSIZ), INTENT (IN) :: marge,
     .                        xi,     yi,     zi,stif, 
     .                        x1,     x2,      x3,      x4,
     .                        y1,     y2,      y3,      y4,
     .                        z1,     z2,      z3,      z4
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,J,K
C                                                                     12
      my_real
     .   rx, ry, rz, sx, sy, sz,nx,ny,nz,bbb,
     .   dx,dy,dz,dd,pene(mvsiz),norm,dmin,dmin1
C----------------------------
         DO i=1,nel
           IF (ifc1(i)>0) cycle
           rx =x2(i)+x3(i)-x1(i)-x4(i)
           ry =y2(i)+y3(i)-y1(i)-y4(i)
           rz =z2(i)+z3(i)-z1(i)-z4(i)
           sx =x3(i)+x4(i)-x1(i)-x2(i)
           sy =y3(i)+y4(i)-y1(i)-y2(i)
           sz =z3(i)+z4(i)-z1(i)-z2(i)
           nx =ry*sz - rz*sy
           ny =rz*sx - rx*sz
           nz =rx*sy - ry*sx
           norm=one/max(em20,sqrt(nx*nx+ny*ny+nz*nz))
           bbb = ((x3(i)-xi(i))*nx + (y3(i)-yi(i))*ny +
     .            (z3(i)-zi(i))*nz)*norm 
           pene(i) = abs(bbb)  
           IF (pene(i)<marge(i).AND.stif(i)>zero) ifc1(i)=2
         ENDDO
C-------if degenerated quad not possible have 1=3 or 2=4
#include "vectorize.inc"
         DO i=1,nel
           IF (ifc1(i)==0) cycle
           dx =x4(i)-x3(i)
           dy =y4(i)-y3(i)
           dz =z4(i)-z3(i)
           dmin = abs(dx)+abs(dy)+abs(dz)
           IF (dmin==zero) THEN
             ifc1(i)=3
             dx =x2(i)-x1(i)
             dy =y2(i)-y1(i)
             dz =z2(i)-z1(i)
             dmin1 = abs(dx)+abs(dy)+abs(dz)
             IF (dmin1==zero) ifc1(i)=0
             cycle
           END IF
           dx =x2(i)-x1(i)
           dy =y2(i)-y1(i)
           dz =z2(i)-z1(i)
           dmin = abs(dx)+abs(dy)+abs(dz)
           IF (dmin==zero) THEN
             ifc1(i)=6
             cycle
           END IF
           dx =x4(i)-x1(i)
           dy =y4(i)-y1(i)
           dz =z4(i)-z1(i)
           dmin = abs(dx)+abs(dy)+abs(dz)
           IF (dmin==zero) THEN
             ifc1(i)=4
             dx =x3(i)-x2(i)
             dy =y3(i)-y2(i)
             dz =z3(i)-z2(i)
             dmin1 = abs(dx)+abs(dy)+abs(dz)
             IF (dmin1==zero) ifc1(i)=0
             cycle
           END IF
           dx =x3(i)-x2(i)
           dy =y3(i)-y2(i)
           dz =z3(i)-z2(i)
           dmin = abs(dx)+abs(dy)+abs(dz)
           IF (dmin==zero) THEN
             ifc1(i)=5
             cycle
           END IF
         ENDDO
C       
      RETURN