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incre2

  1. C INCRE2    SOURCE    CB215821  26/10/26    21:15:36     12682          
  2.        SUBROUTINE INCRE2(SIG,VAR,EPSVPT,VARPT,XMAT,XMAT0,NSTRS0,
  3.      &                   MFR,NVARI,NCOMAT,VALMAT,VALMA0,DT0)
  4.        IMPLICIT INTEGER(I-N)
  5.        IMPLICIT REAL*8(A-H,O-Z)
  6.        DIMENSION SIG(*),VAR(*),EPSVPT(*),VARPT(*)
  7.        DIMENSION XMAT(*),XMAT0(*),VALMAT(*),VALMA0(*)
  8.        DIMENSION XX(6),XT1(6),XT2(6),AN(6),ANS(6),YY(6)
  9.        DIMENSION SIG0(6),EPS0(6)
  10.        LOGICAL   IDT0
  11.        PARAMETER (AMAX = 1.0D20 , AMIN = 1.D-10)
  12.  
  13.        IDT0   = ABS(DT0).GT.0.D0
  14.        DETIER = 2.0D0/3.0D0
  15.        ROOT = SQRT(DETIER)
  16. C-------------------------------------------------------------------|
  17. C*******  EVALUATION OF J2 SIGMA - X                                |
  18. C-------------------------------------------------------------------I
  19.        IF (MFR.EQ.5) THEN
  20.          NSTRS=6
  21.          SIG0(1)=SIG(1)
  22.          SIG0(2)=SIG(2)
  23.          SIG0(3)=0.D0
  24.          SIG0(4)=SIG(3)
  25.          SIG0(5)=SIG(4)
  26.          SIG0(6)=SIG(5)
  27.        ELSE
  28.          NSTRS=NSTRS0
  29.          DO 10 I=1,NSTRS
  30.           SIG0(I)=SIG(I)
  31.   10     CONTINUE
  32.        ENDIF
  33.        TRACE =(SIG0(1)+SIG0(2)+SIG0(3))/3.0D0
  34.        DO 70 I=1,NSTRS
  35.        A = 0.0D0
  36.        IF (I.LE.3) A=1.0D0
  37.        XX(I) = SIG0(I)-A*TRACE - VAR(I)-VAR(NSTRS+I)
  38.   70   CONTINUE
  39.        AJ2 = PROCON (XX,XX,NSTRS)
  40.        AJ2 = SQRT(1.5D0*AJ2)
  41. C--------------------------------------------------------------------|
  42. C*******  CALCUL OF SIGV/K                                           |
  43. C -------------------------------------------------------------------I
  44.        RR = VAR (4*NSTRS+2)
  45.        RS = XMAT(10)*RR
  46.        SK = (AJ2 - RS-XMAT(7))/( XMAT(8) + XMAT(9)*RR )
  47. C--------------------------------------------------------------------|
  48. C*******  CALCULATION OF EFFECTIVE INELASTIC STRAIN INCREMENT (P)    |
  49. C -------------------------------------------------------------------I
  50.        IF (SK.GT.0.0D0) THEN
  51.        PPT1= XPUISS(SK,XMAT(6)  ,AMAX)
  52.        PPT2= XPUISS(SK,XMAT(6)+1.D0,AMAX)
  53.        ELSE
  54.        PPT1= 0.0D0
  55.        PPT2= 0.0D0
  56.        ENDIF
  57.        T1  = XMAT(5)*PPT2
  58.        PPT2=1.0D20
  59.        IF(ABS(T1).LT.40.0D0) PPT2= EXP(T1)
  60.        PPT = PPT1 * PPT2
  61.        VARPT(4*NSTRS+1) = PPT
  62. C---------------------------------------------------------------------|
  63. C*******  CALCULATION OF INELASTIC STRAIN INCREMENTS  (EPSVPT)        |
  64. C---------------------------------------------------------------------I
  65.        DO 71 I=1,NSTRS,1
  66.        IF (PPT.EQ.0.0) THEN
  67.        EPS0  (I) = 0.0D0
  68.        XX    (I) = 0.0D0
  69.        VARPT(3*NSTRS+I)= 0.0D0
  70.        ELSE
  71.        XX(I)     = 1.5D0*XX(I)/AJ2
  72.        EPS0  (I) = XX(I)*PPT
  73.        VARPT(3*NSTRS+I)=EPS0  (I)
  74.        ENDIF
  75.  71    CONTINUE
  76. C
  77.        P      =  VAR(4*NSTRS+1)
  78. C----------------------------------------------------------------|
  79. C ******* CALCULATION OF PI(P)                                   |
  80. C----------------------------------------------------------------I
  81.        T1 = XMAT(16)*P
  82.        T2 = EXP(-T1)
  83.        PIP= XMAT(13)+(1.0D0-XMAT(13)) * T2
  84. C----------------------------------------------------------------|
  85. C*******  CALCULATION OF XII                                     |
  86. C----------------------------------------------------------------I
  87.        DO 72 I=1,NSTRS
  88.        XT1(I)=VAR(I)
  89.        XT2(I)=VAR(I+NSTRS)
  90.   72   CONTINUE
  91.        X1II =  0.0D0
  92.        X2II =  0.0D0
  93.        IF(XMAT(17).NE.0.0D0)
  94.      . X1II =  SQRT(1.5D0*PROCON(XT1,XT1,NSTRS))/XMAT(17)
  95.        IF(XMAT(18).NE.0.0D0)
  96.      . X2II =  SQRT(1.5D0*PROCON(XT2,XT2,NSTRS))/XMAT(18)
  97.        COX1 =  0.0D0
  98.        COX2 =  0.0D0
  99.        IF(X1II.GT.0.0D0) COX1 =  X1II**(XMAT(19)-1.0D0)
  100.        IF(X2II.GT.0.0D0) COX2 =  X2II**(XMAT(20)-1.0D0)
  101. C ----------------------------------------------------------------|
  102. C*******  CALCULATION OF DX1 AND DX2                              |
  103. C-----------------------------------------------------------------I
  104.        DO 73 I=1,NSTRS
  105.        VARPT(      I)=0.0D0
  106.        VARPT(NSTRS+I)=0.0D0
  107.   73   CONTINUE
  108.        DO 74 I=1,NSTRS
  109.        T1  =  DETIER  * XMAT(11) * XMAT(12) *  EPS0(I)
  110.        DXMAT11 = XMAT(11) - XMAT0(11)
  111.        XXMAT11 = XMAT(11) + XMAT0(11)
  112.        IF (ABS(DXMAT11).GT.0.D0.AND.ABS(XXMAT11).GT.0.D0.AND.IDT0) THEN
  113.          T1=T1+2.D0*VAR(I)*DXMAT11/XXMAT11/DT0
  114.        ENDIF
  115.        DXMAT12 = XMAT(12) - XMAT0(12)
  116.        XXMAT12 = XMAT(12) + XMAT0(12)
  117.        IF (ABS(DXMAT12).GT.0.D0.AND.ABS(XXMAT12).GT.0.D0.AND.IDT0) THEN
  118.          T1=T1+2.D0*VAR(I)*DXMAT12/XXMAT12/DT0
  119.        ENDIF
  120.        T2  =  XMAT(11) * PIP *  XT1(I) * PPT
  121.        T3  =  COX1 *  XT1(I)
  122.        VARPT(I)= T1 - T2 -T3
  123.        T1  =  DETIER * XMAT(14) * XMAT(15) *  EPS0(I)
  124.        T2  =  XMAT(14) * PIP *  XT2(I) * PPT
  125.        T3  =  COX2 *  XT2(I)
  126.        VARPT(NSTRS+I)= T1 - T2 - T3
  127.   74   CONTINUE
  128. C-----------------------------------------------------------------|
  129. C*******  CALCULATION OF DR                                       |
  130. C-----------------------------------------------------------------I
  131.        T1 = 1.0D0-(1.0D0-VAR(4*NSTRS+3)/XMAT(25))**2
  132.        QR = VAR(4*NSTRS+3)-XMAT(26)*T1
  133.        CO1= QR-VAR(4*NSTRS+2)
  134.        CO = ABS(CO1)
  135.        IF(CO.GT.0.0D0) CO = CO**(XMAT(22)-1.0D0)
  136.        T1= XMAT(16)*(VAR(4*NSTRS+3)-VAR(4*NSTRS+2))*PPT
  137.        T2= XMAT(21)*CO*CO1
  138.        DR= T1 + T2
  139.        VARPT(4*NSTRS+2)=DR
  140. C----------------------------------------------------------------|
  141. C*******  CALCULATION OF PROD (N X N*)                           |
  142. C----------------------------------------------------------------I
  143.        DO 75 I=1,NSTRS
  144. *       A=1.0D0
  145. *       IF(I.GT.3) A = 2.0D0
  146.        YY(I)=VAR(3*NSTRS+I) - VAR(2*NSTRS+I)
  147.  75    CONTINUE
  148.        AJ2=  SQRT(1.5D0*PROCON(YY,YY,NSTRS))
  149.        IF(AJ2.LT.AMIN) THEN
  150.          IF (AJ2.EQ.0.D0) AJ2=AMIN
  151.          AJ20=AJ2*1.D20
  152.          DO 15 I=1,NSTRS
  153.          YY(I)=YY(I)*1.D20
  154.  15      CONTINUE
  155.        ELSE
  156.          AJ20=AJ2
  157.        ENDIF
  158. *       IF (AJ2.LT.AMIN) AJ20=AMIN
  159.        DO 76 I= 1,NSTRS
  160.        ANS(I) = SQRT(1.5D0)*YY(I)/AJ20
  161.        AN (I) = ROOT*XX(I)
  162.  76    CONTINUE
  163.        FF = DETIER*AJ2-VAR(4*NSTRS+4)
  164.        HF=0.0D0
  165.        IF(FF.GT.0.0D0) HF=1.0D0
  166.        ANAN1=PROCON(AN,ANS,NSTRS)
  167.        ANANS=0.0D0
  168.        IF(ANAN1.GT.0.0) ANANS=ANAN1
  169. C----------------------------------------------------------------|
  170. C*******  CALCULATION OF DQ                                      |
  171. C----------------------------------------------------------------I
  172.        DQ = XMAT(23)*HF*ANANS*PPT
  173.        VARPT(4*NSTRS+4)=DQ
  174. C----------------------------------------------------------------|
  175. C*******  CALCULATION OF DGETA                                   |
  176. C----------------------------------------------------------------I
  177.        T1  = SQRT(1.5D0)*(1.0D0-XMAT(23))*HF*ANANS*PPT
  178.        DO 78 I=1,NSTRS
  179.        VARPT(2*NSTRS+I)= T1*ANS(I)
  180.   78   CONTINUE
  181. C----------------------------------------------------------------|
  182. C*******  CALCULATION OF DQQ                                     |
  183. C----------------------------------------------------------------I
  184.        VARPT(4*NSTRS+3)=2.0D0*XMAT(24)*(XMAT(25)-VAR(4*NSTRS+3))*DQ
  185. C
  186. C      Dependance de Q en temeprature (QT)
  187.        DQT1 = VALMAT(28) - VALMA0(28)
  188.        IF (ABS(DQT1).GT.0.D0.AND.IDT0) THEN
  189.          VARPT(4*NSTRS+3)=VARPT(4*NSTRS+3)+DQT1/DT0
  190.        ENDIF
  191. C
  192.        IF (MFR.EQ.5) THEN
  193.          EPSVPT(1)=EPS0(1)
  194.          EPSVPT(2)=EPS0(2)
  195.          EPSVPT(3)=EPS0(4)
  196.          EPSVPT(4)=EPS0(5)
  197.          EPSVPT(5)=EPS0(6)
  198.        ELSE
  199.          DO 11 I=1,NSTRS
  200.           EPSVPT(I)=EPS0(I)
  201.   11     CONTINUE
  202.        ENDIF
  203. C
  204.        RETURN
  205.        END
  206.  
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