spvol3.F

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!||====================================================================
!||    spvol3    ../engine/source/elements/sph/spvol3.F
!||--- called by ------------------------------------------------------
!||    spstres   ../engine/source/elements/sph/spstres.F
!||====================================================================
      SUBROUTINE spvol3(
     1   OFF,     PM,      VOLO,    EINT,
     2   RHOA,    RHON,    VOLN,    DVOL,
     3   NGL,     MAT,     LFT,     LLT,
     4   JLAG)
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   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "param_c.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) :: JLAG
C     REAL
      my_real
     .   off(*),pm(npropm,*),volo(*),eint(*),rhoa(*),
     .   rhon(*),voln(*),dvol(*)
      INTEGER NGL(*),MAT(*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I
C     REAL
      my_real
     .      RHO0(MVSIZ),VOLA(MVSIZ)
C-----------------------------------------------
C     LAGRANGIAN ONLY.
C     IF(JLAG/=0)THEN
      DO i=lft,llt
       rho0(i)=pm(1,mat(i))
      ENDDO
C
      DO i=lft,llt
        vola(i)=(rho0(i)/rhoa(i))*volo(i)
        voln(i)=(rho0(i)/rhon(i))*volo(i)
        dvol(i)=voln(i)-vola(i)
        eint(i)=eint(i)*volo(i)
      ENDDO
C
C      IF(IDTMIN(1)==1)THEN
C        DO 120 I=LFT,LLT
C        IF(OFF(I) ==0.)THEN
C          VOLN(I)=1.
C        ELSEIF(VOLN(I)<=VOLMIN)THEN
C          VOLN(I)=1.
C          OFF(I)=0.
C          CALL MY_LOCK
C          WRITE(ISTDO,2000) NGL(I)
C          WRITE(IOUT ,2000) NGL(I)
C          CALL MY_FREE
C        ELSEIF(VOLN(I)<=0.0)THEN
C          CALL MY_LOCK
C          WRITE(ISTDO,1000) NGL(I)
C          WRITE(IOUT ,1000) NGL(I)
C          CALL MY_FREE
C          CALL ARRET(2)
C        ENDIF
C  120   CONTINUE
C      ELSEIF(IDTMIN(1)==2)THEN
C        DO 130 I=LFT,LLT
C        IF(OFF(I) ==0.)THEN
C           VOLN(I)=1.
C        ELSEIF(VOLN(I)<=VOLMIN.OR.VOLN(I)<=0.0)THEN
C           VOLN(I)=1.
C           OFF(I)=0.
C           CALL MY_LOCK
C           WRITE(ISTDO,2000) NGL(I)
C           WRITE(IOUT ,2000) NGL(I)
C           CALL MY_FREE
C        ENDIF
C  130   CONTINUE
C      ELSE
        DO i=lft,llt
          IF(off(i) ==zero)voln(i)=one
        ENDDO
C      ENDIF
C
      RETURN
      END