multi_velocity_backup.F

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!||====================================================================
!||    multi_velocity_backup   ../engine/source/multifluid/multi_velocity_backup.F
!||--- called by ------------------------------------------------------
!||    resol                   ../engine/source/engine/resol.F
!||--- uses       -----------------------------------------------------
!||    multi_fvm_mod           ../common_source/modules/ale/multi_fvm_mod.F90
!||====================================================================
        SUBROUTINE multi_velocity_backup(ITASK,MULTI_FVM,N2D,NUMELS,NUMELQ,NUMELTG)
!$COMMENT
!       velocity backup to derivate later into acceleration (post-traitement)
!       in multi_update_global() subroutine : ACC[n] = (VEL[n]-VEL[n-1])/TIMESTEP
!$ENDCOMMENT  
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------      
        USE multi_fvm_mod
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
#include      "task_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER, INTENT(IN) :: ITASK,NUMELS,NUMELQ,NUMELTG,N2D
      TYPE(multi_fvm_struct) :: MULTI_FVM
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
        INTEGER :: I,NUMEL,NODF,NODL
C-----------------------------------------------
        IF(n2d == 0)THEN
          numel = numels
        ELSE
          numel = numelq + numeltg
        ENDIF
        IF(ALLOCATED(multi_fvm%ACC))THEN
          nodf = 1 + itask * numel / nthread
          nodl = (1 + itask) * numel / nthread
          DO i = nodf, nodl
            multi_fvm%ACC(1, i) = multi_fvm%VEL(1, i)
            multi_fvm%ACC(2, i) = multi_fvm%VEL(2, i)
            multi_fvm%ACC(3, i) = multi_fvm%VEL(3, i)
          ENDDO
        ENDIF
 
        RETURN
        END SUBROUTINE multi_velocity_backup
C-----------------------------------------------