ecran2.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/.
!||====================================================================
!||    ecran2           ../starter/source/initial_conditions/detonation/ecran2.f
!||--- called by ------------------------------------------------------
!||    m5in2            ../starter/source/initial_conditions/detonation/m5in2.F
!||    m5in2t           ../starter/source/initial_conditions/detonation/m5in2t.F
!||--- calls      -----------------------------------------------------
!||    iombr            ../starter/source/initial_conditions/detonation/iombr.F
!||--- uses       -----------------------------------------------------
!||    detonators_mod   ../starter/share/modules1/detonators_mod.F
!||====================================================================
      SUBROUTINE ecran2(DETONATOR_WAVE_SHAPER,X,VDET)
C-----------------------------------------------
      USE detonators_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-----------------------------------------------
      my_real  x(3,numnod)
      my_real,INTENT(IN)::vdet
      TYPE(detonator_wave_shaper_struct_),TARGET ::DETONATOR_WAVE_SHAPER
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "scr11_c.inc"
#include      "com04_c.inc"
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER,POINTER,DIMENSION(:) :: IECR, IORDR, IFLG
      my_real,POINTER,DIMENSION(:) ::  dtime
      INTEGER J, I, II, NPE
      my_real ddmx, dtos
C-----------------------------------------------
C   E x t e r n a l   F u n c t i o n s
C-----------------------------------------------
      INTEGER,EXTERNAL :: IOMBR
C-----------------------------------------------
 
      npe=detonator_wave_shaper%NUMNOD
      iecr => detonator_wave_shaper%NODES(1:npe)
      iordr => detonator_wave_shaper%IORDR(1:npe)
      dtime => detonator_wave_shaper%TIME(1:npe)
 
C---------------------------------------
C     COMPUTING DETONATION:TIME FOR ONE ELEMENT (CENTROID)
C---------------------------------------
C     1) DETONATION ORIGIN: USER DETONATION POINT
C         check if the target can be directly lightened from detonation origin.
C            yes if no crossing with the screen (IOMBR returns 0)
C             no otherwise (IOMBR return 1)
C---------------------------------------
      ddmx=ep20
      IF(iombr(detonator_wave_shaper,x,iecr,ddmx,vdet) == 0)RETURN   !Vdet is optional velocity from origin (default is material velocity VDTO)
 
C-----------------------------------------
C     2) DETONATION ORIGIN:EACH POINT OF THE SCREEN PATH
C-----------------------------------------
      dtos=ep20
 
      npe=detonator_wave_shaper%NUMNOD
      DO j=1,npe
        i=iordr(j)
        ii=iecr(i)
        yd=x(2,ii)
        zd=x(3,ii)
        dto0=dtime(i)
        IF(iombr(detonator_wave_shaper,x,iecr,ddmx,vdto) == 0)THEN
          dtos= min(dtos,dto) !keep minimum value (first arrival time)
        ENDIF
      END DO !J=1,NPE
 
      dto=dtos
 
      RETURN
      END