babael
C BABAEL SOURCE CHAT 05/01/12 21:31:17 5004 C BABAEL SOURCE DC 98/04/28 IMPLICIT INTEGER(I-N) IMPLICIT REAL*8(A-H,O-Z) DIMENSION XMAT(5),VAR0(3),VARF(3) C---------------------------------------------------------------------- C C COMPORTEMENT DE FIBRE C MODELE BETON PLASTIQUE DU BAEL C ELEMENT DE BARRE C---------------------------------------------------------------------- C Didier COMBESCURE - EMSI - Avril 1999 C---------------------------------------------------------------------- C C XMAT( 1) YOUNG C XMAT( 2) NU C XMAT( 3) RHO C XMAT( 4) ALPHA C XMAT( 5) FC C C SIGF STRESS C DEPST,DEFP C C VAR0(1) VARF(1) EPSE DEFORMATION PLASTIQUE C VAR0(2) VARF(2) EPSO DEFORMATION TOTALE C C---------------------------------------------------------------------- C EYOUN = XMAT( 1) FC = (-1.D0)*XMAT(5) XEPSLI = (2.D0)*(FC/EYOUN) C XEPSE = VAR0(1) XEPSO = VAR0(2) C XEPSOF = XEPSO + DEPST C IF (XEPSOF. GE . XEPSE) THEN C XSIGF = 0.D0 XTAN = 0.D0 C ELSE C XSIGF1 = EYOUN * (XEPSOF - XEPSE) C IF (XEPSOF . LT . XEPSLI) THEN XSIGF2 = FC XTAN = 0.D0 ELSE XSIGF2 = FC*( ( (2.D0)*(XEPSOF/XEPSLI)) & - ((XEPSOF/XEPSLI)**2) ) XTAN = FC*( (2.D0/XEPSLI) & - (( 2.D0 * XEPSOF) /(XEPSLI**2) ) ) ENDIF C IF (XSIGF2 . GE . XSIGF1) THEN XSIGF = XSIGF2 XEPSE = XEPSOF - (XSIGF/EYOUN) ELSE XSIGF = XSIGF1 XTAN = EYOUN ENDIF C ENDIF C C SIGF = XSIGF * XCAR C VARF(1) = XEPSE VARF(2) = XEPSOF VARF(3) = XTAN * XCAR C DEFP = XEPSE C RETURN END
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