Numérotation des lignes :

C FUNK      SOURCE    CHAT      05/01/13    00:11:42     5004c*****************************************************************************c       sous rouine utilisee dans l'ecoulement plastique de la loic       de GURSONc*********************************************************************        subroutine funk(xi,f,wrkgur)cc       this subroutine compute f for a given xicc---    variables      IMPLICIT INTEGER(I-N)        IMPLICIT REAL*8 (A-H,O-Z)        segment wrkgur         real*8 sigbar, sy0,phi0,rho0,g,b,h         real*8 epn,phin,sqrtj2,rho,sig(6)         real*8 e(7),dt         real*8 conv,tol1,tol2        endsegment*        common/prop/sigbar,sy0,phi0,rho0,g,b,h*        common/state/epn,phin,sqrtj2,rho,sig(6)c               e is the strain rate:c                       e(1-6) is the deviatoric partc                       e(7) is the trace/3c               dt ist the time increment*        common /delta/ e(7),dt*       common /toler/ conv,tol1,tol2        dimension s(6)cc---    executable         p=(1.d0-phi0)*b*(1.d0-rho0/rho)+     &          (1.d0-xi)*(1.d0-phi0)*b*3.d0*e(7)*dt        syn=sy0+h*epn        syp=abs(1.d0+phi0**2-2.d0*phi0*cosh(-1.5d0*p/sigbar))cc---    plastic strain increment        if (syp .ge. tol1*tol1 ) then          a=1.5d0*phi0*(1.d0-phi0)*sinh(-1.5d0*p/sigbar)/sqrt(syp)          ratio=syn/(2.d0*h)          dep=sqrt(ratio**2+abs((phi0-phin)*sigbar/a)/h)-ratio        else            dep=0.d0        endifcc---    equivalent trial stress        sum=0.d0        do 10 i=1,6                s(i)=sig(i)-2.d0*g*dt*(1.d0-xi)*e(i)                sum=sum+s(i)**2                if (i .gt. 3) then                sum=sum+s(i)**2                endif   10   continue        seqtr=sqrt(1.5d0*sum)c        f=(syn+h*dep)*sqrt(syp) + 3.d0*g*dep - seqtr        f=f/sy0c        return        endc*******************************************************************************

© Cast3M 2003 - Tous droits réservés.
Mentions légales