assem_r3.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/.
!||====================================================================
!||    assem_r3    ../engine/source/implicit/assem_r3.F
!||--- called by ------------------------------------------------------
!||    r12ke3      ../engine/source/elements/spring/r12ke3.F
!||--- calls      -----------------------------------------------------
!||    assem_kii   ../engine/source/implicit/imp_glob_k.F
!||    assem_kij   ../engine/source/implicit/imp_glob_k.F
!||====================================================================
      SUBROUTINE assem_r3(NIX      ,NDL      ,
     1         IX       ,NEL       ,IDDL      ,NDOF      ,K_DIAG    ,
     2         K_LT     ,IADK      ,JDIK      ,K11       ,K12       ,
     3         K13      ,K22       , K23      ,K33       ,OFF       )
C----6---------------------------------------------------------------7---------8
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-----------------------------------------------
C-----------------------------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER NIX,NDL
      INTEGER 
     .       IX(NIX,*), NEL   ,IDDL(*)   ,NDOF(*)   ,
     .       iadk(*)  ,jdik(*)
C     REAL
      my_real
     .   k_diag(*) ,k_lt(*)   ,off(*),
     .   k11(ndl,ndl,*),k12(ndl,ndl,*),k13(ndl,ndl,*),
     .   k22(ndl,ndl,*),k23(ndl,ndl,*),k33(ndl,ndl,*)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER K,EP,NN(MVSIZ,3)
C
       DO K = 1,3
        DO ep = 1,nel
         nn(ep,k)=ix(k+1,ep)
        ENDDO 
       ENDDO 
C-------block diagonal k11,k22...k33-----
       CALL assem_kii(nn(1,1),nel,iddl,iadk,k_diag,k_lt ,k11,ndl,off) 
       CALL assem_kii(nn(1,2),nel,iddl,iadk,k_diag,k_lt ,k22,ndl,off) 
       CALL assem_kii(nn(1,3),nel,iddl,iadk,k_diag,k_lt ,k33,ndl,off) 
C-------non diag kij-----
       CALL assem_kij(nn(1,1),nn(1,2),nel,iddl,iadk,jdik,
     .                 k_diag,k_lt,k12,ndl,off) 
       CALL assem_kij(nn(1,1),nn(1,3),nel,iddl,iadk,jdik,
     .                 k_diag,k_lt,k13,ndl,off) 
       CALL assem_kij(nn(1,2),nn(1,3),nel,iddl,iadk,jdik,
     .                 k_diag,k_lt,k23,ndl,off) 
C----6---------------------------------------------------------------7---------8
      RETURN
      END