eoslinear_mod Module Reference

Functions/Subroutines
subroutine	eoslinear (iflag, nel, pmin, off, eint, mu, dvol, vnew, psh, pnew, dpdm, dpde, eos_struct, c0, bulk)

Function/Subroutine Documentation

eoslinear()

subroutine eoslinear_mod::eoslinear	(	integer, intent(in)	iflag,
		integer, intent(in)	nel,
		intent(in)	pmin,
		dimension(nel), intent(in)	off,
		dimension(nel), intent(inout)	eint,
		dimension(nel), intent(in)	mu,
		dimension(nel), intent(in)	dvol,
		dimension(nel), intent(in)	vnew,
		dimension(nel), intent(inout)	psh,
		dimension(nel), intent(inout)	pnew,
		dimension(nel), intent(inout)	dpdm,
		dimension(nel), intent(inout)	dpde,
		type(eos_param_), intent(in)	eos_struct,
		intent(in)	c0,
		intent(in)	bulk )

Definition at line 41 of file eoslinear.F.

C-----------------------------------------------
C   M o d u l e s
C-----------------------------------------------
        USE constant_mod , ONLY : zero, half, one
        USE eos_param_mod , ONLY : eos_param_
C-----------------------------------------------
C   D e s c r i p t i o n
C-----------------------------------------------
!----------------------------------------------------------------------------
!! \details STAGGERED SCHEME IS EXECUTED IN TWO PASSES IN EOSMAIN : IFLG=0 THEN IFLG=1
!! \details COLLOCATED SCHEME IS DOING A SINGLE PASS : IFLG=2
!! \details
!! \details  STAGGERED SCHEME
!! \details     EOSMAIN / IFLG = 0 : DERIVATIVE CALCULATION FOR SOUND SPEED ESTIMATION c[n+1] REQUIRED FOR PSEUDO-VISCOSITY (DPDE:partial derivative, DPDM:total derivative)
!! \details     MQVISCB            : PSEUDO-VISCOSITY Q[n+1]
!! \details     MEINT              : INTERNAL ENERGY INTEGRATION FOR E[n+1] : FIRST PART USING P[n], Q[n], and Q[n+1] CONTRIBUTIONS
!! \details     EOSMAIN / IFLG = 1 : UPDATE P[n+1], T[N+1]
!! \details                          INTERNAL ENERGY INTEGRATION FOR E[n+1] : LAST PART USING P[n+1] CONTRIBUTION
!! \details                            (second order integration dE = -P.dV where P = 0.5(P[n+1] + P[n]) )
!! \details  COLLOCATED SCHEME
!! \details     EOSMAIN / IFLG = 2 : SINGLE PASS FOR P[n+1] AND DERIVATIVES
!----------------------------------------------------------------------------
C-----------------------------------------------
C   I m p l i c i t   T y p e s
C-----------------------------------------------
      IMPLICIT NONE
#include      "my_real.inc"
C-----------------------------------------------
C   D u m m y   A r g u m e n t s
C-----------------------------------------------
      INTEGER,INTENT(IN) :: IFLAG, NEL
      my_real,INTENT(IN) :: pmin,off(nel),mu(nel),dvol(nel),vnew(nel)
      my_real,INTENT(INOUT) :: pnew(nel),dpdm(nel),dpde(nel),psh(nel),eint(nel)
      TYPE(EOS_PARAM_),INTENT(IN) :: EOS_STRUCT
      my_real,INTENT(IN) :: c0,bulk
C-----------------------------------------------
C   L o c a l   V a r i a b l e s
C-----------------------------------------------
      INTEGER I
C-----------------------------------------------
C   S o u r c e   L i n e s
C-----------------------------------------------
      !C0, BULK : For LINEAR EOS when no /EoS is defined. use material parameters stored in PM instal EOS_STRUCT%UPARAM
 
      psh(1:nel) = eos_struct%PSH
 
      IF(iflag == 0) THEN
        DO i=1,nel
          dpdm(i) = bulk
          dpde(i) = zero
          pnew(i) = c0+bulk*mu(i)
          pnew(i) = max(pmin-psh(i),pnew(i))  !law10 : yield criteria depends on P
          pnew(i) = pnew(i)*off(i)  ! P(mu[n+1],E[n]) = P(mu[n+1],E[n+1]) since there is no energy depedency
        ENDDO
 
      ELSEIF(iflag == 1) THEN
        DO i=1,nel
          pnew(i) = c0+bulk*mu(i)
          pnew(i) = max(pnew(i),pmin-psh(i))
          pnew(i) = pnew(i)*off(i)  ! P(mu[n+1],E[n+1])
          eint(i) = eint(i) - half*dvol(i)*(pnew(i)+psh(i))
          dpde(i) = zero
        ENDDO
 
      ELSEIF (iflag == 2) THEN
        DO i=1, nel
          IF (vnew(i) > zero) THEN
            pnew(i) = c0+bulk*mu(i)
            pnew(i) = max(pnew(i),pmin-psh(i))
            pnew(i) = pnew(i)*off(i)
            dpdm(i) = bulk
            dpde(i) = zero
          ENDIF
        ENDDO                                      
 
        ENDIF
C-----------------------------------------------
        RETURN