hm_read_mat23.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/.
!||====================================================================
!||    hm_read_mat23            ../starter/source/materials/mat/mat023/hm_read_mat23.F
!||--- called by ------------------------------------------------------
!||    hm_read_mat              ../starter/source/materials/mat/hm_read_mat.F90
!||--- calls      -----------------------------------------------------
!||    ancmsg                   ../starter/source/output/message/message.F
!||    hm_get_floatv            ../starter/source/devtools/hm_reader/hm_get_floatv.F
!||    hm_get_intv              ../starter/source/devtools/hm_reader/hm_get_intv.F
!||    hm_option_is_encrypted   ../starter/source/devtools/hm_reader/hm_option_is_encrypted.F
!||    init_mat_keyword         ../starter/source/materials/mat/init_mat_keyword.F
!||--- uses       -----------------------------------------------------
!||    elbuftag_mod             ../starter/share/modules1/elbuftag_mod.F
!||    message_mod              ../starter/share/message_module/message_mod.F
!||    submodel_mod             ../starter/share/modules1/submodel_mod.F
!||====================================================================
      SUBROUTINE hm_read_mat23(
     .           UPARAM   ,MAXUPARAM ,NUPARAM  ,NUVAR    ,IFUNC    ,
     .           MAXFUNC  ,NFUNC     ,PARMAT   ,IMATVIS  ,IFORM    ,
     .           UNITAB   ,ID        ,TITR     ,LSUBMODEL,MTAG     ,
     .           PM       ,IPM       ,ISRATE   ,MATPARAM ) 
C-----------------------------------------------
C   D e s c r i p t i o n
C-----------------------------------------------
C   ROUTINE DESCRIPTION :
C   ===================
C   READ MAT LAW02 WITH HM READER
C-----------------------------------------------
C   DUMMY ARGUMENTS DESCRIPTION:
C   ===================
C     UNITAB          UNITS ARRAY
C     ID              MATERIAL ID(INTEGER)
C     TITR            MATERIAL TITLE
C     LSUBMODEL       SUBMODEL STRUCTURE   
C
C     IFORM           0 (PLAS_JOHNSON)    1 (PLAS_ZERILLI)    2 (PLAS_PREDEF)
C 
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE unitab_mod
      USE elbuftag_mod            
      USE message_mod 
      USE submodel_mod
      USE matparam_def_mod
      USE names_and_titles_mod , ONLY : nchartitle
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
#include      "implicit_f.inc"
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "units_c.inc"
#include      "param_c.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      TYPE (UNIT_TYPE_),INTENT(IN) ::UNITAB 
      INTEGER, INTENT(IN)    :: ID,MAXUPARAM,MAXFUNC,IFORM
      INTEGER, INTENT(INOUT) :: IPM(NPROPMI),IMATVIS,ISRATE
      my_real, INTENT(INOUT) :: PM(NPROPM)     
      CHARACTER(LEN=NCHARTITLE) ,INTENT(IN) :: TITR
      TYPE(submodel_data), DIMENSION(*),INTENT(IN) :: LSUBMODEL
      INTEGER, INTENT(INOUT) :: NUPARAM,NUVAR,NFUNC
      INTEGER, DIMENSION(MAXFUNC), INTENT(INOUT) :: IFUNC
      my_real, DIMENSION(MAXUPARAM), INTENT(INOUT) :: uparam
      my_real, INTENT(INOUT) :: parmat(*)
      TYPE(mlaw_tag_),INTENT(INOUT) :: MTAG
      TYPE(matparam_struct_) ,INTENT(INOUT) :: MATPARAM
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      LOGICAL :: IS_AVAILABLE,IS_ENCRYPTED
      INTEGER :: ICC,ISRAT1,IFLAG,MFLAG,ILAW
      my_real :: RHOR,RHO0
      my_real
     .   young, anu, ca, cb, cn, epsm, sigm, cc, eps0, epsl, el, g,
     .   e0, c0, c1, e1mn2, en1n2, sdsp, hl, yldl
      CHARACTER PREDEF*16
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      is_encrypted   = .false.
      is_available = .false.
      rhor    = zero 
      nuvar   = 0
      nuparam = 0
      nfunc   = 0
      ilaw    = 23
C
      CALL hm_option_is_encrypted(is_encrypted)
C      
       !line-1
      CALL hm_get_floatv('MAT_RHO'  ,rho0     ,is_available, lsubmodel, unitab)
!!      CALL HM_GET_FLOATV('Refer_Rho',RHOR     ,IS_AVAILABLE, LSUBMODEL, UNITAB)
      !line-2
      CALL hm_get_floatv('MAT_E'    ,young    ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_NU'   ,anu      ,is_available, lsubmodel, unitab)
      !line-3
      CALL hm_get_floatv('MAT_SIGY'   ,ca     ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_BETA'   ,cb     ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_HARD'   ,cn     ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_EPS'    ,epsm   ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_SIG'    ,sigm   ,is_available, lsubmodel, unitab)
 
       !line-4
      CALL hm_get_floatv('MAT_SRC'  ,cc        ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_SRP'  ,eps0      ,is_available, lsubmodel, unitab)
      CALL hm_get_intv  ('STRFLAG'  ,icc       ,is_available, lsubmodel)
       !line-5
      CALL hm_get_floatv('MAT_DAMAGE'      ,epsl      ,is_available, lsubmodel, unitab)
      CALL hm_get_floatv('MAT_ETAN'         ,el       ,is_available, lsubmodel, unitab)
C 
      IF(rhor == zero)rhor = rho0 
       pm(1) = rhor
       pm(89)= rho0    
C           
      IF(anu == half) anu=zep499
      IF(epsl == zero) epsl=zep15
      IF(cn  == zero)  cn    = one
      IF(epsm == zero) epsm  = ep30
      IF(sigm == zero) sigm  = ep30
      IF(cc == zero)  eps0  = one
      g=young/(two*(one + anu))
      e0=zero
      c0=zero
      c1=young/(three*(one - two*anu))
      e1mn2=young/(one - anu**2)            
      en1n2=anu*e1mn2
      sdsp =sqrt(young/max(pm(1),em20))
      hl   =young * el / max(em20,young-el)
      yldl = ca+cb*exp(cn*log(epsl))
      yldl = min(yldl,sigm)
C
      pm(20)=young
      pm(21)=anu
      pm(22)=g
      pm(23)=e0
      pm(24)=e1mn2
      pm(25)=en1n2
      pm(26)=five_over_6
      pm(27)=sdsp
      pm(28)=one/young
      pm(29)=-anu*pm(28)
      pm(30)=one/g
      pm(31)=c0
      pm(32)=c1
      pm(38)=ca
      pm(39)=cb
      pm(40)=cn
      pm(41)=epsm
      pm(42)=sigm
      pm(43)=cc
      pm(44)=eps0
      pm(45)=epsl
      pm(46)=hl
      pm(47)=yldl
      pm(48)=el
      pm(49)=icc
C-----------
C     Formulation for solid elements time step computation.
      ipm(252)= 2
      pm(105) = two*g/(c1+four_over_3*g) ! =(1-2*Nu)/(1-Nu)
C
      WRITE(iout,1010) trim(titr),id,ilaw
      WRITE(iout,1000)     
      IF(is_encrypted)THEN
        WRITE(iout,'(5X,A,//)')'CONFIDENTIAL DATA'
      ELSE 
        WRITE(iout,1020)rho0 
        WRITE(iout,1300)young,anu,g
        WRITE(iout,1400)ca,cb,cn,epsm,sigm
        WRITE(iout,1600)cc,eps0,icc
        WRITE(iout,1800)epsl,el
      ENDIF
C
      IF(cn>one) THEN
         CALL ancmsg(msgid=213,
     .               msgtype=msgerror,
     .               anmode=aninfo,
     .               i1=23,
     .               i2=id,
     .               c1=titr)
      ENDIF
      IF(eps0==zero) THEN
         CALL ancmsg(msgid=298,
     .               msgtype=msgerror,
     .               anmode=aninfo,
     .               i1=23,
     .               i2=id,
     .               c1=titr)
      ENDIF
      IF(el>zero.OR.el<=-young.OR.el<=-three*g) THEN
         CALL ancmsg(msgid=308,
     .               msgtype=msgerror,
     .               anmode=aninfo,
     .               i1=id,
     .               c1=titr)
      ENDIF
C
C---- Definition des variables internes (stockage elementaire)
c
      mtag%G_EPSD  = 1   
      mtag%G_PLA   = 1   
c
      mtag%L_EPSD  = 1   
      mtag%L_PLA   = 1   
c 
      ! MATPARAM keywords
      CALL init_mat_keyword(matparam,"ELASTO_PLASTIC")
c
      ! Properties compatibility
      CALL init_mat_keyword(matparam,"SOLID_ISOTROPIC")
      CALL init_mat_keyword(matparam,"SPH")      
c
c-------------------
      RETURN
c-------------------
 1000 FORMAT(
     & 5x,'  ELASTIC PLASTIC + DAMAGE LAW          ',/,
     & 5x,'  ----------------------------          ',//)
 1010 FORMAT(/
     & 5x,a,/,
     & 5x,'MATERIAL NUMBER. . . . . . . . . . . . . .=',i10/,
     & 5x,'MATERIAL LAW . . . . . . . . . . . . . . .=',i10/) 
 1020 FORMAT(
     & 5x,'INITIAL DENSITY. . . . . . . . . . . . . .=',1pg20.13/) 
 1300 FORMAT(
     & 5x,'YOUNG''S MODULUS . . . . . . . . . . . .=',1pg20.13/,
     & 5x,'POISSON''S RATIO . . . . . . . . . . . .=',1pg20.13/,
     & 5x,'SHEAR MODULUS . . . . . . . . . . . . .=',1pg20.13//)
 1400 FORMAT(
     & 5x,'YIELD COEFFICIENT CA. . . . . . . . . .=',1pg20.13/,
     & 5x,'YIELD COEFFICIENT CB. . . . . . . . . .=',1pg20.13/,
     & 5x,'YIELD COEFFICIENT CN. . . . . . . . . .=',1pg20.13/,
     & 5x,'EPS-MAX . . . . . . . . . . . . . . . .=',1pg20.13/,
     & 5x,'SIG-MAX . . . . . . . . . . . . . . . .=',1pg20.13//)
 1600 FORMAT(
     & 5x,'STRAIN RATE COEFFICIENT CC. . . . . . .=',1pg20.13/,
     & 5x,'REFERENCE STRAIN RATE . . . . . . . . .=',1pg20.13/,
     & 5x,'FLAG FOR STRAIN RATE ON SIG-MAX . . . .=',i10//)
 1800 FORMAT(
     & 5x,'DAMAGE STRAIN LIMIT . . . . . . . . . .=',1pg20.13/,
     & 5x,'DAMAGE TANGENT MODULUS EL . . . . . . .=',1pg20.13//)
c-------------------
      RETURN
      END