negativepressure.f File Reference

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Functions/Subroutines
subroutine	negativepressure (ne0, ne, mi, stx, pressureratio)

Function/Subroutine Documentation

negativepressure()

subroutine negativepressure	(	integer	ne0,
		integer	ne,
		integer, dimension(*)	mi,
		real*8, dimension(6,mi(1),*)	stx,
		real*8	pressureratio
	)

!
!     calculating the ratio of the smallest pressure to the
!     largest pressure for face-to-face contact
!     if the pressure is somewhere negative, this ratio will
!     be negative
!
      implicit none
!
      integer ne0,ne,mi(*),i
!
      real*8 stx(6,mi(1),*),presmin,presmax,pressureratio
!
      presmax=0.d0
      presmin=0.d0
!
      do i=ne0+1,ne
         if(stx(4,1,i).gt.presmax) then
            presmax=stx(4,1,i)
         elseif(stx(4,1,i).lt.presmin) then
            presmin=stx(4,1,i)
         endif
      enddo
      pressureratio=presmin/presmax
!
      return