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材料大白菜

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[交流] deform 已有1人参与

用deform做轧制的模拟，一个小时才做了十几步并且出现 Old time step = 0.24569D-03; New time step = 0.12801D-03
这个东西求教是什么意思

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1楼 2016-11-16 15:31:10

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

材料大白菜

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STEP NUMBER       =    53

DIRECT METHOD

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

1 0.1260559523E+06 0.6768409014E-02 0.2881190439E-01       2.012
2 0.1260645992E+06 0.3581886249E-02 0.5151087139E-01       2.948
3 0.1260647822E+06 0.1122260797E-02 0.3619559260E-01       4.444

*** INFO: Substepping due to DPLEN at Node 102 of Obj.  1
Old time step =  0.50000D-03; New time step =  0.12906D-03

TEMPERATURE CALCULATION FOR STEP :    53

TEMPERATURE ITERATION

ITERATION    TEMPERATURE RELATIVE TEMPERATURE
NUMBER       NORM          ERROR NORM

1 0.2697598132E+02 0.1113059538E+00
2 0.2935511809E+02 0.5018046126E-04

Node 12672 of Obj.  1 has contacted Die #  2

The following nodes of Obj.  1 will not contact Die  2 because of previous separation.
  11630  12671  12674  13581

OLD AVE. STRAIN RATE=          6.835857
OLD LIMITING STR. R.=          0.068359
NEW AVE. STRAIN RATE=          6.816128
NEW LIMITING STR. R.=          0.068161

UPDATED TIME    =       0.026023
TIME INCREMENT    =       0.000129

TOTAL CPU TIME UP TO THIS STEP  =    1 (hr) 32 (min)  36.5352 (sec)

SUBTOTAL CPU TIME OF THIS STEP  =          0.0000 (sec)

   RESULT I/O                ,          1.3906

CPU FOR DEFORMATION CALCULATIONS (sec)

   INTERFACE GENERATION       ,          0.0449    1
   EQ. INDEXING PREPERATION ,          0.0000    0
   STIFFNESS MATRIX GENERATION ,          5.9883    3
   BOUNDARY CONDITION CAL.    ,          0.5645    3
   EQUATION SOLVING          ,          9.4180    3
   CONTACT TIME CALCULATION ,          3.5078    1
   MESH CHECKS                ,          0.0000    1
   INSIDE/OUTSIDE CHECK       ,          0.0000    0

CPU FOR HEAT TRANSFER CALCULATIONS (sec)

   NONLINEAR H. T. MATRIX    ,          0.5488    2
   LINEAR H. T. MATRIX       ,          0.0000    0
   INTERFACE H. T. MTRIX    ,          0.0000    2
   GEN INT. ELEMENT          ,          0.0000    1
   EQUATION SOLVING          ,          3.1797    2
   I/O L. H. T.             ,          0.0000    0
   FOR ELEMENT HEAT FLUX    ,          0.0000    1

STEP NUMBER       =    53

DIRECT METHOD

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

1 0.1260753292E+06 0.7741224374E-02 0.3936600087E-01       1.968
2 0.1260694163E+06 0.5623271119E-02 0.7701152318E-01       2.918
3 0.1260924708E+06 0.1684533814E-02 0.6544488875E-01       4.398
4 0.1261114438E+06 0.7336718070E-03 0.1612016766E-01       6.692

*** INFO: Substepping due to DPLEN at Node 102 of Obj.  1
Old time step =  0.37094D-03; New time step =  0.12973D-03

The following nodes of Obj.  1 have separated from Die  2
  10532  10571  12672  12673  13286

TEMPERATURE CALCULATION FOR STEP :    53

TEMPERATURE ITERATION

ITERATION    TEMPERATURE RELATIVE TEMPERATURE
NUMBER       NORM          ERROR NORM

1 0.2935550558E+02 0.5344565746E-01
2 0.2925119974E+02 0.1810003188E-04

The following nodes of Obj.  1 have contacted Die  2
2972 6226  11630  12671  12674  13581

OLD AVE. STRAIN RATE=          6.816128
OLD LIMITING STR. R.=          0.068161
NEW AVE. STRAIN RATE=          6.784581
NEW LIMITING STR. R.=          0.067846

UPDATED TIME    =       0.026153
TIME INCREMENT    =       0.000130

TOTAL CPU TIME UP TO THIS STEP  =    1 (hr) 32 (min)  36.5352 (sec)

SUBTOTAL CPU TIME OF THIS STEP  =          0.0000 (sec)

   RESULT I/O                ,          2.7773

CPU FOR DEFORMATION CALCULATIONS (sec)

   INTERFACE GENERATION       ,          0.0918    2
   EQ. INDEXING PREPERATION ,          0.0000    0
   STIFFNESS MATRIX GENERATION ,          14.0078    7
   BOUNDARY CONDITION CAL.    ,          1.3125    7
   EQUATION SOLVING          ,          25.4062    7
   CONTACT TIME CALCULATION ,          7.0313    2
   MESH CHECKS                ,          0.0000    2
   INSIDE/OUTSIDE CHECK       ,          0.0000    0

CPU FOR HEAT TRANSFER CALCULATIONS (sec)

   NONLINEAR H. T. MATRIX    ,          1.1094    4
   LINEAR H. T. MATRIX       ,          0.0000    0
   INTERFACE H. T. MTRIX    ,          0.0293    4
   GEN INT. ELEMENT          ,          0.0000    2
   EQUATION SOLVING          ,          6.6445    4
   I/O L. H. T.             ,          0.0000    0
   FOR ELEMENT HEAT FLUX    ,          0.0000    2

STEP NUMBER       =    53

DIRECT METHOD

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

1 0.1261268052E+06 0.1246050987E-01 0.2035757693E-01       1.980
2 0.1261235128E+06 0.6728097384E-02 0.8892760056E-01       2.932
3 0.1261469117E+06 0.1417549593E-02 0.7218405708E-01       4.428
4 0.1261591428E+06 0.7429068056E-03 0.1440376573E-01       7.222

*** INFO: Substepping due to DPLEN at Node 102 of Obj.  1
Old time step =  0.24121D-03; New time step =  0.13040D-03

The following nodes of Obj.  1 have separated from Die  2
  10419  10624  11535  11610  11630  11643  12671  12674  13272  13275  13278  13335
  13575  13581

TEMPERATURE CALCULATION FOR STEP :    53

TEMPERATURE ITERATION

ITERATION    TEMPERATURE RELATIVE TEMPERATURE
NUMBER       NORM          ERROR NORM

1 0.2925123127E+02 0.1103470366E+00
2 0.2946945803E+02 0.3709575020E-04

The following nodes of Obj.  1 have contacted Die  2
1284 6175

OLD AVE. STRAIN RATE=          6.784581
OLD LIMITING STR. R.=          0.067846
NEW AVE. STRAIN RATE=          6.751851
NEW LIMITING STR. R.=          0.067519

UPDATED TIME    =       0.026283
TIME INCREMENT    =       0.000130

TOTAL CPU TIME UP TO THIS STEP  =    1 (hr) 32 (min)  36.5352 (sec)

SUBTOTAL CPU TIME OF THIS STEP  =          0.0000 (sec)

   RESULT I/O                ,          4.1973

CPU FOR DEFORMATION CALCULATIONS (sec)

   INTERFACE GENERATION       ,          0.1387    3
   EQ. INDEXING PREPERATION ,          0.0000    0
   STIFFNESS MATRIX GENERATION ,          22.3027    11
   BOUNDARY CONDITION CAL.    ,          2.0957    11
   EQUATION SOLVING          ,          41.9668    11
   CONTACT TIME CALCULATION ,          10.6055    3
   MESH CHECKS                ,          0.0000    3
   INSIDE/OUTSIDE CHECK       ,          0.0000    0

CPU FOR HEAT TRANSFER CALCULATIONS (sec)

   NONLINEAR H. T. MATRIX    ,          1.7773    6
   LINEAR H. T. MATRIX       ,          0.0000    0
   INTERFACE H. T. MTRIX    ,          0.0625    6
   GEN INT. ELEMENT          ,          0.0000    3
   EQUATION SOLVING          ,          10.3105    6
   I/O L. H. T.             ,          0.0000    0
   FOR ELEMENT HEAT FLUX    ,          0.0000    3

STEP NUMBER       =    53

DIRECT METHOD

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

1 0.1261704200E+06 0.1153284146E-01 0.1903553478E-01       2.762
2 0.1261696299E+06 0.5576473625E-02 0.7797922151E-01       3.978
3 0.1262007581E+06 0.1521974114E-02 0.5841903722E-01       5.958
4 0.1262214342E+06 0.8888846637E-03 0.1574549992E-01       8.970

The following nodes of Obj.  1 have separated from Die  2
  10442  11208  12627  12707

TEMPERATURE CALCULATION FOR STEP :    53

TEMPERATURE ITERATION

ITERATION    TEMPERATURE RELATIVE TEMPERATURE
NUMBER       NORM          ERROR NORM

1 0.2946953057E+02 0.1736317271E+00
2 0.2501887948E+02 0.1019749883E-03

OLD AVE. STRAIN RATE=          6.751851
OLD LIMITING STR. R.=          0.067519
NEW AVE. STRAIN RATE=          6.716561
NEW LIMITING STR. R.=          0.067166

UPDATED TIME    =       0.026394
TIME INCREMENT    =       0.000111

TOTAL CPU TIME UP TO THIS STEP  =    1 (hr) 35 (min) 4.9531 (sec)

SUBTOTAL CPU TIME OF THIS STEP  =       148.4180 (sec)

   RESULT I/O                ,          5.6016

CPU FOR DEFORMATION CALCULATIONS (sec)

   INTERFACE GENERATION       ,          0.1855    4
   EQ. INDEXING PREPERATION ,          0.0000    0
   STIFFNESS MATRIX GENERATION ,          30.4785    15
   BOUNDARY CONDITION CAL.    ,          2.9082    15
   EQUATION SOLVING          ,          63.6348    15
   CONTACT TIME CALCULATION ,          14.0859    4
   MESH CHECKS                ,          0.0000    4
   INSIDE/OUTSIDE CHECK       ,          0.0000    0

CPU FOR HEAT TRANSFER CALCULATIONS (sec)

   NONLINEAR H. T. MATRIX    ,          2.3066    8
   LINEAR H. T. MATRIX       ,          0.0000    0
   INTERFACE H. T. MTRIX    ,          0.0781    8
   GEN INT. ELEMENT          ,          0.0000    4
   EQUATION SOLVING          ,          13.6016    8
   I/O L. H. T.             ,          0.0000    0
   FOR ELEMENT HEAT FLUX    ,          0.0000    4

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2楼2016-11-16 15:36:05

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

材料大白菜

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金币: 412.9
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引用回帖:

2楼: Originally posted by 材料大白菜 at 2016-11-16 15:36:05
STEP NUMBER       =    53

DIRECT METHOD

ITERATION    VELOCITY    RELATIVE VELOCITY RELATIVE FORCE    SOLVING TIME
  NUMBER       NORM          ERROR NORM       ERROR NOR ...

这是其中的一步感觉用了好久不知道能不能看出来那个地方设置的有问题

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3楼2016-11-16 15:37:27

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖