hm_read_eos_linear.F

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!||====================================================================
!||    hm_read_eos_linear       ../starter/source/materials/eos/hm_read_eos_linear.f
!||--- called by ------------------------------------------------------
!||    hm_read_eos              ../starter/source/materials/eos/hm_read_eos.F
!||--- calls      -----------------------------------------------------
!||    hm_get_floatv            ../starter/source/devtools/hm_reader/hm_get_floatv.f
!||    hm_option_is_encrypted   ../starter/source/devtools/hm_reader/hm_option_is_encrypted.F
!||--- uses       -----------------------------------------------------
!||    message_mod              ../starter/share/message_module/message_mod.F
!||    submodel_mod             ../starter/share/modules1/submodel_mod.F
!||====================================================================
      SUBROUTINE hm_read_eos_linear(IOUT,PM,UNITAB,IUNIT,LSUBMODEL,IMIDEOS)
C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
      USE unitab_mod
      USE submodel_mod
      USE message_mod      
C-----------------------------------------------
C   D e s c r i p t i o n
C-----------------------------------------------
C reading parameters for
C   LINEAR EQUATION OF STATE
C-----------------------------------------------
C   C o m m e n t s
C-----------------------------------------------
C  RHOI = PM(89)   -> provided by /MAT
C  RHOR = PM(01)   -> provided by /MAT (can be erased by EOS if present : obsolete)
C  => MU0 = RHO/RHOR-1.
C  PM(31) = P(MU0,E0) -> will be used to initialize diagonal of stress tensor SIG(1:3,*)
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-----------------------------------------------
      TYPE (UNIT_TYPE_),INTENT(IN) ::UNITAB 
      INTEGER IIN,IOUT,IUNIT
      my_real pm(npropm)
      TYPE(submodel_data), DIMENSION(NSUBMOD), INTENT(IN) :: LSUBMODEL
      INTEGER,INTENT(IN) :: IMIDEOS
C-----------------------------------------------
C   C o m m o n   B l o c k s
C-----------------------------------------------
#include      "param_c.inc"
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      my_real c0, c1, c2, c3, c4, c5,  psh, rho0,rhor,mu0, fac_l,fac_t,fac_m,fac_c,rhoi,g0,ssp0,dpdmu
      LOGICAL :: IS_ENCRYPTED, IS_AVAILABLE , IS_AVAILABLE_RHO0    
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      is_encrypted = .false.
      is_available = .false.
      is_available_rho0 = .false.
 
      CALL hm_option_is_encrypted(is_encrypted)
 
      CALL hm_get_floatv('LAW5_P0', c0, is_available,lsubmodel,unitab)
      CALL hm_get_floatv('MAT_BULK', c1, is_available,lsubmodel,unitab)
      CALL hm_get_floatv('LAW5_PSH', psh, is_available,lsubmodel,unitab)
      CALL hm_get_floatv('Refer_Rho', rho0, is_available_rho0,lsubmodel,unitab)
 
      rhor = pm(1)
      rhoi = pm(89)
 
      IF(rho0 > zero) THEN
        rhor = rho0
        pm(1)= rho0 
      ELSE
        rho0=rhor                   
      ENDIF
 
      pm( 23)=zero
      pm(104)=c0-psh
      pm( 32)=c1
      pm( 33)=zero
      pm( 34)=zero
      pm( 35)=zero
      pm( 36)=zero
      pm( 88)=psh
      IF(pm(79)==zero)pm(79)=three100
  
      !initial pressure for stress tensor
      IF(rhoi == zero)THEN
        mu0 = zero ! error 683 already displayed
      ELSE
        IF(rhor /= zero)THEN
          mu0 = rhoi/rhor-one
        ELSE
          mu0 = zero ! error 683 already displayed
        ENDIF
      ENDIF
      
      pm(31)=c0-psh+c1*mu0
      
      !SSP0
      ssp0 = zero 
      g0 = pm(22)
      rhoi = pm(89)
      dpdmu = c1
 
      dpdmu=max(zero,dpdmu)
      IF(rhor > zero) ssp0 = sqrt((dpdmu + two_third*g0)/rhor) 
      pm(27)=ssp0
 
      WRITE(iout,1000)
      IF(is_encrypted)THEN
        WRITE(iout,'(5X,A,//)')'CONFIDENTIAL DATA'
      ELSE
        WRITE(iout,1500)c0,c1,psh
        IF(is_available_rho0)WRITE(iout,1501)pm(1)
      ENDIF
 
      RETURN
 1000 FORMAT(
     & 5x,'  LINEAR EOS     ',/,
     & 5x,'  ----------     ',/)
 1500 FORMAT(
     & 5x,'INITIAL PRESSURE. . . . . . . . . . . . .=',1pg20.13/,
     & 5x,'BULK MODULUS. . . . . . . . . . . . . . .=',1pg20.13/,
     & 5x,'PRESSURE SHIFT. . . . . . . . . . . . . .=',1pg20.13)
 1501 FORMAT(     
     & 5x,'EOS REFERENCE DENSITY . . . . . . . . . .=',1pg20.13) 
     
      RETURN
      END