i22tzinf.F

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!||====================================================================
!||    i22tzinf      ../starter/source/interfaces/inter3d1/i22tzinf.F
!||--- called by ------------------------------------------------------
!||    inint3        ../starter/source/interfaces/inter3d1/inint3.F
!||--- uses       -----------------------------------------------------
!||    message_mod   ../starter/share/message_module/message_mod.F
!||====================================================================
      SUBROUTINE i22tzinf(
     1   X        ,TZINF    ,BUFBRIC  ,NBRIC    ,IXS)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE message_mod
      use element_mod , only :nixs
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  IXS(NIXS,*)
      my_real x(3,*),tzinf,xx(8),yy(8), zz(8), coormin(3), coormax(3), ddmax
      INTEGER BUFBRIC(*), NBRIC
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER L
      INTEGER NE
      my_real
     .   dx1,dy1,dz1,
     .   dx3,dy3,dz3,
     .   dx4,dy4,dz4,
     .   dx6,dy6,dz6,
     .   dd1,dd2,dd3,dd4,dd,dd0,xmin,ymin,zmin,
     .   xmax,ymax,zmax,tzinf0,gapsmax,
     .   bid,tzinf_st,marge,marge_st,gapv(mvsiz),
     .   diag(4)
C-----------------------------------------------
C   P r e c o n d i t i o n s
C-----------------------------------------------
      IF(nbric==0)RETURN
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      !1- INFLUCENCE AREA DIAMETER
      !DD DIMENSION OF CIRCUMSCRIBED BALL (NORM L1)
 
      l = 1
      ne = bufbric(l)
      xx(1:8)    = x(1, ixs(2:9,ne) )
      yy(1:8)    = x(2, ixs(2:9,ne) )
      zz(1:8)    = x(3, ixs(2:9,ne) ) 
 
      diag(1)    = sqrt((xx(1)-xx(7))**2 + (yy(1)-yy(7))**2 + (zz(1)-zz(7))**2) 
      diag(2)    = sqrt((xx(3)-xx(5))**2 + (yy(3)-yy(5))**2 + (zz(3)-zz(5))**2)
      diag(3)    = sqrt((xx(2)-xx(8))**2 + (yy(2)-yy(8))**2 + (zz(2)-zz(8))**2)
      diag(4)    = sqrt((xx(4)-xx(6))**2 + (yy(4)-yy(6))**2 + (zz(4)-zz(6))**2)
      
      ddmax      = maxval(diag(1:4))
 
      DO l=2,nbric
        ne = bufbric(l)
        xx(1:8)    = x(1, ixs(2:9,ne) )
        yy(1:8)    = x(2, ixs(2:9,ne) )
        zz(1:8)    = x(3, ixs(2:9,ne) ) 
        diag(1)    = sqrt((xx(1)-xx(7))**2 + (yy(1)-yy(7))**2 + (zz(1)-zz(7))**2) 
        diag(2)    = sqrt((xx(3)-xx(5))**2 + (yy(3)-yy(5))**2 + (zz(3)-zz(5))**2)
        diag(3)    = sqrt((xx(2)-xx(8))**2 + (yy(2)-yy(8))**2 + (zz(2)-zz(8))**2)
        diag(4)    = sqrt((xx(4)-xx(6))**2 + (yy(4)-yy(6))**2 + (zz(4)-zz(6))**2)      
        dd         = maxval(diag(1:4))      
        IF(dd>ddmax)THEN
          ddmax = dd
        ENDIF
      ENDDO
      
      tzinf = (one+five/hundred) * ddmax
           
      RETURN
      END