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Tonson

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注册: 2009-09-02
专业: 零件成形制造

[交流] 【求助】有关DEFORM模拟时的一个问题，请大侠帮忙！不甚感激已有3人参与

我在用DEFORM模拟锻造过程时，出现了以下错误提示，真不知道它什么原因！急需帮忙！不甚感激啊：

Step number is  -61

Convergence Criteria for Iterative Solver
   V-norm = 5.00E-03 F-norm = 5.00E-02

STEP NUMBER       =    61

   Eqs.    New Profile    Ave. Bandwidth
   5680       142808          50

DIRECT METHOD

ITERATION    VELOCITY    RELATIVE VELOCITY RELATIVE FORCE    SOLVING TIME
  NUMBER       NORM          ERROR NORM       ERROR NORM       (SEC)

DAMPING IS ADDED (DAMPING COEFFICIENT =  0.20000000E-10)

1 0.7071067812E+04 0.2202965416E+03 0.0000000000E+00       0.438
2 0.1557747833E+07 0.9996060531E+00 0.1840921672E+09       0.530
3 0.1897947242E+05 0.2575509246E+00 0.1000010272E+01       0.796
4 0.1742678503E+05 0.1119769714E+00 0.7770440731E+00       1.016
5 0.1708186590E+05 0.5955616818E-01 0.5800043054E+00       1.500
6 0.1545178220E+05 0.6436157906E-01 0.1002992355E+01       0.202 R
7 0.1542672787E+05 0.1800330581E-01 0.1366733635E+01       0.470 R
8 0.1544536560E+05 0.7790901920E-02 0.7363187913E+00       0.456 R
9 0.1545904082E+05 0.4823463376E-02 0.3774074980E+00       0.328 R
10 0.1547013699E+05 0.3189160417E-02 0.3414108221E+00       0.282 R

*** INFO: Substepping due to DPLEN at Node    73 of Obj.  1
Old time step =  0.10000D+00; New time step =  0.76862D-03

The following nodes of Obj.  1 have separated from Die  3
1148 1247 1415 1420

TEMPERATURE CALCULATION FOR STEP :    61

TEMPERATURE ITERATION

ITERATION    TEMPERATURE RELATIVE TEMPERATURE
NUMBER       NORM          ERROR NORM

1 0.0000000000E+00 0.1176348661E+02
2 0.2633259587E+02 0.6041158922E-03

The following nodes of Obj.  1 have contacted Die  2
133 212

OLD AVE. STRAIN RATE=          1.000000
OLD LIMITING STR. R.=          0.010000
NEW AVE. STRAIN RATE=          7.311343
NEW LIMITING STR. R.=          0.073113

UPDATED TIME    =       12.000769
TIME INCREMENT    =       0.000769

TOTAL CPU TIME UP TO THIS STEP  =          0.0000 (sec)

SUBTOTAL CPU TIME OF THIS STEP  =          0.0000 (sec)

   RESULT I/O                            1.9080

CPU FOR DEFORMATION CALCULATIONS (sec)

   INTERFACE GENERATION                   0.0000    1
   EQ. INDEXING PREPERATION                0.1080    1
   STIFFNESS MATRIX GENERATION             0.4040    10
   BOUNDARY CONDITION CAL.                0.0620    10
   EQUATION SOLVING                      6.0180    10
   CONTACT TIME CALCULATION                4.3900    1
   MESH CHECKS                            0.0000    1
   INSIDE/OUTSIDE CHECK                   0.0000    0

CPU FOR HEAT TRANSFER CALCULATIONS (sec)

   NONLINEAR H. T. MATRIX                4.2020    2
   LINEAR H. T. MATRIX                   0.0000    0
   INTERFACE H. T. MTRIX                   0.0000    2
   GEN INT. ELEMENT                      0.0000    1
   EQUATION SOLVING                      131.5780    2
   I/O L. H. T.                            0.0000    0
   FOR ELEMENT HEAT FLUX                   0.0000    1

STEP NUMBER       =    61

DIRECT METHOD

ITERATION    VELOCITY    RELATIVE VELOCITY RELATIVE FORCE    SOLVING TIME
  NUMBER       NORM          ERROR NORM       ERROR NORM       (SEC)

DAMPING IS ADDED (DAMPING COEFFICIENT =  0.20000000E-10)

1 0.1547815717E+05 0.1093698280E+01 0.9855286454E+02       0.032 R
2 0.2290701111E+05 0.4923643140E+00 0.2427486112E+01       0.204 R
3 0.1790874291E+05 0.9499795601E-01 0.9984853565E+00       0.266 R
4 0.1725984542E+05 0.6454143859E-01 0.8340606033E+00       0.280 R
5 0.1685196141E+05 0.4909850187E-01 0.5731209821E+00       0.280 R
6 0.1658578662E+05 0.3782336636E-01 0.4478413474E+00       0.250 R
7 0.1640939880E+05 0.3067167277E-01 0.2250462468E+00       0.188 R
8 0.1628329360E+05 0.2488769891E-01 0.4396492001E+00       0.188 R
9 0.1619276128E+05 0.2036270668E-01 0.4043925071E+00       0.186 R
10 0.1612625538E+05 0.1663542199E-01 0.1355621528E+00       0.252 R
11 0.1607710210E+05 0.1357869739E-01 0.1410656477E-01       0.232 R
12 0.1604037786E+05 0.1107177539E-01 0.9071274027E-02       0.236 R
13 0.1601267904E+05 0.8980852394E-02 0.8010566285E-02       0.218 R
14 0.1599168950E+05 0.7372382023E-02 0.7275733873E-02       0.250 R
15 0.1597543568E+05 0.6046591126E-02 0.6313537409E-02       0.204 R
16 0.1596276598E+05 0.4800268775E-02 0.6324955354E-02       0.218 R

*** INFO: Substepping due to DPLEN at Node    73 of Obj.  1
Old time step =  0.99231D-01; New time step =  0.61986D-03

The following nodes of Obj.  1 have separated from Die  3
145 242 368 370 472 849 876 949 1023
SFTC : Fatal error in RMALLOC

An error occured when allocating dynamic
memory. The size that was requested was not
allocated.
Size Requested  : 252951600 bytes
Total allocated : 1686348 bytes

The above error should not have happened
If this error occurs repeatedly,
Please contact SFTC and report the conditions
under which it occurs.

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