arezo2.F

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!||====================================================================
!||    arezo2_mod   ../engine/source/ale/ale2d/arezo2.F
!||--- called by ------------------------------------------------------
!||    arezon       ../engine/source/ale/arezon.F
!||====================================================================
      MODULE arezo2_mod
      CONTAINS
!||====================================================================
!||    arezo2                 ../engine/source/ale/ale2d/arezo2.F
!||--- called by ------------------------------------------------------
!||    arezon                 ../engine/source/ale/arezon.F
!||--- uses       -----------------------------------------------------
!||    ale_connectivity_mod   ../common_source/modules/ale/ale_connectivity_mod.F
!||====================================================================
      SUBROUTINE arezo2(ALE_CONNECT,VAR,PHI,FLUX,VOL)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
       USE ale_connectivity_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "com08_c.inc"
#include      "vect01_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      my_real var(*), phi(*), flux(4,*), vol(*)
      TYPE(t_ale_connectivity), INTENT(IN) :: ALE_CONNECT
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I, IE, IV1, IV2, IV3, IV4, IAD2
      my_real voln
C-----------------------------------------------
      IF (jmult == 0) THEN
        DO i=lft,llt
         ie =nft+i
         iad2 = ale_connect%ee_connect%iad_connect(ie)
         iv1=ale_connect%ee_connect%connected(iad2 + 1 - 1)
         iv2=ale_connect%ee_connect%connected(iad2 + 2 - 1)
         iv3=ale_connect%ee_connect%connected(iad2 + 3 - 1)
         iv4=ale_connect%ee_connect%connected(iad2 + 4 - 1)
         IF (iv1 <= 0)iv1=ie
         IF (iv2 <= 0)iv2=ie
         IF (iv3 <= 0)iv3=ie
         IF (iv4 <= 0)iv4=ie
         IF (vol(i) > zero) THEN
           var(i)=var(i) + half*dt1*(phi(ie)* (flux(1,i)+flux(2,i)+flux(3,i)+flux(4,i))
     .                -phi(iv1)*flux(1,i)-phi(iv2)*flux(2,i)-phi(iv3)*flux(3,i)-phi(iv4)*flux(4,i)) / vol(i)
         ENDIF
        ENDDO    
      ELSE
        DO i=lft,llt
        ie =nft+i
        iad2 = ale_connect%ee_connect%iad_connect(ie)
        iv1=ale_connect%ee_connect%connected(iad2 + 1 - 1)
        iv2=ale_connect%ee_connect%connected(iad2 + 2 - 1)
        iv3=ale_connect%ee_connect%connected(iad2 + 3 - 1)
        iv4=ale_connect%ee_connect%connected(iad2 + 4 - 1)
       
        IF(iv1 <= 0)iv1=ie
        IF(iv2 <= 0)iv2=ie
        IF(iv3 <= 0)iv3=ie
        IF(iv4 <= 0)iv4=ie
        voln=vol(i)-dt1 * (flux(1,i)+flux(2,i)+flux(3,i)+flux(4,i))
        IF (voln > em15) THEN
          var(i) = var(i) + half * dt1 * (phi(ie)*(flux(1,i)+flux(2,i)+flux(3,i)+flux(4,i))
     3                 -phi(iv1)*flux(1,i)-phi(iv2)*flux(2,i)-phi(iv3)*flux(3,i)-phi(iv4)*flux(4,i)) / max(em15,voln)
         ENDIF
        ENDDO
      ENDIF
C-----------
      RETURN
      END SUBROUTINE arezo2
      END MODULE arezo2_mod