cdkevec3.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/.
!||====================================================================
!||    cdkevec3          ../starter/source/elements/sh3n/coquedk/cdkevec3.F
!||--- called by ------------------------------------------------------
!||    c3init3           ../starter/source/elements/sh3n/coque3n/c3init3.F
!||    c3newve3          ../starter/source/elements/sh3n/coque3n/c3epsini.F
!||    cdkepsini         ../starter/source/elements/sh3n/coquedk/cdkepsini.F
!||    cdkfint_reg_ini   ../starter/source/elements/sh3n/coquedk/cdkfint_reg_ini.F
!||    cdkinit3          ../starter/source/elements/sh3n/coquedk/cdkinit3.F
!||--- calls      -----------------------------------------------------
!||    clskew3           ../starter/source/elements/shell/coque/clskew.F
!||====================================================================
      SUBROUTINE cdkevec3(JFT ,JLT ,AREA,
     .                    X1  ,X2  ,X3  ,Y1  ,Y2  ,Y3  ,
     .                    Z1  ,Z2  ,Z3  ,E1X ,E2X ,E3X ,
     .                    E1Y ,E2Y ,E3Y ,E1Z ,E2Z ,E3Z )
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   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER JFT, JLT
      my_real AREA(MVSIZ),
     .     X1(MVSIZ), X2(MVSIZ), X3(MVSIZ),
     .     y1(mvsiz), y2(mvsiz), y3(mvsiz),
     .     z1(mvsiz), z2(mvsiz), z3(mvsiz),
     .     e1x(mvsiz), e1y(mvsiz), e1z(mvsiz),
     .     e2x(mvsiz), e2y(mvsiz), e2z(mvsiz),
     .     e3x(mvsiz), e3y(mvsiz), e3z(mvsiz)
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I,I1
      my_real, DIMENSION(MVSIZ) ::  SUM, RX, RY, RZ, SX, SY, SZ
C=======================================================================
      DO i=jft,jlt
        rx(i) = x2(i) - x1(i)
        ry(i) = y2(i) - y1(i)
        rz(i) = z2(i) - z1(i)
        sx(i) = x3(i) - x1(i)
        sy(i) = y3(i) - y1(i)
        sz(i) = z3(i) - z1(i)
      ENDDO
C----------------------------
C     LOCAL SYSTEM
C----------------------------
      i1 = 0
      CALL clskew3(jft,jlt,i1,
     .     rx, ry, rz, sx, sy, sz, 
     .     e1x,e2x,e3x,e1y,e2y,e3y,e1z,e2z,e3z,sum)
C
      DO i=jft,jlt
        area(i) = half*sum(i)
      ENDDO
c-----------
      RETURN
      END