incre8
C INCRE8 SOURCE CHAT 05/01/13 00:35:34 5004 & MFR,NVARI,NCOMAT) IMPLICIT INTEGER(I-N) IMPLICIT REAL*8(A-H,O-Z) DIMENSION SIG(*),VAR(*),EPSVPT(*) DIMENSION VARPT(*),XMAT(*) DIMENSION XX(6) DIMENSION SIG0(6),EPS0(6) PARAMETER (AMAX = 1.0D20 , AMIN = 1.D-10 ,ZER=0.D0 ) DETIER = 2.0D0/3.0D0 ROOT = SQRT(3.0D0/2.0D0) IF (MFR.EQ.5) THEN NSTRS=6 SIG0(1)=SIG(1) SIG0(2)=SIG(2) SIG0(3)=0.D0 SIG0(4)=SIG(3) SIG0(5)=SIG(4) SIG0(6)=SIG(5) ELSE NSTRS=NSTRS0 DO 10 I=1,NSTRS SIG0(I)=SIG(I) 10 CONTINUE ENDIF DO 20 I=1,NSTRS EPS0(I) = ZER 20 CONTINUE C-------------------------------------------------------------------| C COEFFICIENTS MATERIAU | C-------------------------------------------------------------------| YOU =XMAT( 1) XNU =XMAT( 2) AA=XMAT( 5) B =XMAT( 6) RM =XMAT( 7) Q =XMAT( 8) R =XMAT( 9) H0 =XMAT(10) AP =XMAT(11) RN =XMAT(13) S0 =XMAT(14) C C ------------------------------------------------------------------| C PARTIE VISCOPLASTIQUE | C-------------------------------------------------------------------I C C DO 71 I=1,NSTRS A = 0.0D0 IF (I.LE.3) A=1.0D0 71 CONTINUE C C *** CRITERE VISCOPLASTIQUE C AJ2 = SQRT(1.5D0*AJ2) IF (VAR(2).LT.AMIN) VAR(2)= S0 RR = SINH (B * AJ2/VAR(2)) C C temperature au debut du pas C QSRT = Q/(R*T0) VARPT(1) = Z*EXP(-QSRT) DSAT = SSAT - S0 SSIG = ABS(DSAT )/DSAT RK = ABS((SSAT - VAR(2))/ DSAT) IF (AJ2.LT.AMIN) GOTO 100 DO 70 I=1,NSTRS EPS0(I) =XX(I)/AJ2*VARPT(1)/DETIER 70 CONTINUE C 100 CONTINUE C IF (MFR.EQ.5) THEN EPSVPT(1)=EPS0(1) EPSVPT(2)=EPS0(2) EPSVPT(3)=EPS0(4) EPSVPT(4)=EPS0(5) EPSVPT(5)=EPS0(6) ELSE DO 11 I=1,NSTRS EPSVPT(I)=EPS0(I) 11 CONTINUE ENDIF RETURN END
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