nlocal_acc.F

Go to the documentation of this file.

Copyright>        OpenRadioss
Copyright>        Copyright (C) 1986-2025 Altair Engineering Inc.
Copyright>
Copyright>        This program is free software: you can redistribute it and/or modify
Copyright>        it under the terms of the GNU Affero General Public License as published by
Copyright>        the Free Software Foundation, either version 3 of the License, or
Copyright>        (at your option) any later version.
Copyright>
Copyright>        This program is distributed in the hope that it will be useful,
Copyright>        but WITHOUT ANY WARRANTY; without even the implied warranty of
Copyright>        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
Copyright>        GNU Affero General Public License for more details.
Copyright>
Copyright>        You should have received a copy of the GNU Affero General Public License
Copyright>        along with this program.  If not, see <https://www.gnu.org/licenses/>.
Copyright>
Copyright>
Copyright>        Commercial Alternative: Altair Radioss Software
Copyright>
Copyright>        As an alternative to this open-source version, Altair also offers Altair Radioss
Copyright>        software under a commercial license.  Contact Altair to discuss further if the
Copyright>        commercial version may interest you: https://www.altair.com/radioss/.
!||====================================================================
!||    nlocal_acc       ../engine/source/assembly/nlocal_acc.F
!||--- called by ------------------------------------------------------
!||    resol            ../engine/source/engine/resol.F
!||--- calls      -----------------------------------------------------
!||    my_isnan         ../engine/source/system/my_isnan.F
!||--- uses       -----------------------------------------------------
!||    nlocal_reg_mod   ../common_source/modules/nlocal_reg_mod.F
!||====================================================================
      SUBROUTINE nlocal_acc(NLOC_DMG, NODFT   ,NODLT)
C-----------------------------------------------
C   M o d u l e s
C----------------------------------------------- 
      USE nlocal_reg_mod
C------------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER NODFT, NODLT
      TYPE(NLOCAL_STR_), TARGET :: NLOC_DMG 
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER  N,NDDL,NPOS,K
      my_real, POINTER, DIMENSION(:) :: 
     .  f,m
      LOGICAL :: MY_ISNAN
C-----------------------------------------------
c     calcul acceleration de la variable non locale
c=======================================================================
      ! Recovering forces and masses
      f => nloc_dmg%FNL(1:nloc_dmg%L_NLOC,1)
      m => nloc_dmg%MASS(1:nloc_dmg%L_NLOC)
#include      "vectorize.inc"
      ! Loop over the nodes of the subset
      DO n = nodft,nodlt
        ! Position of the first additional dof
        npos = nloc_dmg%POSI(n)
        ! Number of additional degrees of freedom
        nddl = nloc_dmg%POSI(n+1) - npos
        ! Computation of the acceleration (stored in the forces vector)
        f(npos:npos+nddl-1) = f(npos:npos+nddl-1) / m(npos:npos+nddl-1)
      ENDDO
c-----------
      RETURN
      END