ERROR # 153
大家好，这个错误怎么解决啊？ ************************************************************************** **
** **
** OptiStruct 8.0SR1 **
** **
** Finite Element and Multi-body Dynamics Analysis **
** and Optimization Software **
** from Altair Engineering, Inc. **
** **
** **
** Windows XP ProfessionalSP2 (Build 2600)FMG **
** 2 CPU:Intel(R) Pentium(R) DualCPUE2180@ 2.00GHz **
** CPU speed2000 MHz **
** 1386 MB RAM,3424 MB swap **
** **
** Build tag: 0360770_4401OR1_Ci3242M-000 14000 **
************************************************************************
**COPYRIGHT (C) 1996-2007 Altair Engineering, Inc.**
** All Rights Reserved.Copyright notice does not imply publication. **
** Contains trade secrets of Altair Engineering, Inc. **
** Decompilation or disassembly of this software strictly prohibited. **
************************************************************************
*** OptiStruct defaults set from:
install config file: D:\Altair\hw8.0sr1/optistruct/optistruct.cfg
WARNING # 1198
PSHELL with T=blank (field 4): thickness must be
specified on all elements using this property (using fields T1..T4).
Detected while reading line 51723 from file
D:/00fmg_save/fmg_o/fmg0002.fem:
"PSHELL 55 1 1 1 0.0"
WARNING # 1198
PSHELL with T=blank (field 4): thickness must be
specified on all elements using this property (using fields T1..T4).
Detected while reading line 51726 from file
D:/00fmg_save/fmg_o/fmg0002.fem:
"PSHELL 63 1 1 1 0.0"
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OPTIMIZATION FILE AND PARAMETER INFORMATION :
---------------------------------------------
Optimization parameters from : D:/00fmg_save/fmg_o/fmg0002.fem
FEM model file : D:/00fmg_save/fmg_o/fmg0002.fem
Output files prefix : D:/00fmg_save/fmg_o/fmg0002
************************************************************************
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FINITE ELEMENT MODEL DATA INFORMATION :
---------------------------------------
Total # of Nodes : 26211
Total # of Elements : 25451
Total # of Rigid Elements : 5
Total # of Rigid Element Constraints : 30
Total # of Degrees of Freedom : 154602
Total # of Non-zero Stiffness Terms:4164255
Element Type Information
------------------------
CQUAD4 Elements : 25358
CTRIA3 Elements : 93
Load and Boundary Information
-----------------------------
FORCE Sets : 1
SPC Sets : 1
Material and Property Information
---------------------------------
PSHELL Cards : 2
MAT1 Cards : 1
************************************************************************
************************************************************************
OPTIMIZATION PROBLEM PARAMETERS :
---------------------------------
NO DESIGN MATERIAL OR DESIGN VARIABLES FOUND: ANALYSIS ONLY
----------------------
Load Subcase Summary :
----------------------
---------- ------------------------------
Subcase ID SPC ID FORCE IDWeight = w(i)
---------- ------------------------------
1 1 2 1.000
---------- ------------------------------
---------------------------
Design Parameters Summary :
---------------------------
Run Type : Analysis Only
Scratch file directory : ./
Free space: 3518 MB
Number of CPU processors : 1
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MEMORY ESTIMATION INFORMATION :
-------------------------------
Solver Type is:Sparse-Matrix Solver
Current Memory (RAM) : 97 MB
Estimated Minimum Memory (RAM) for Out of Core Solution : 87 MB
Recommended Memory (RAM) for Out of Core Solution : 97 MB
Recommended Memory (RAM) for In-Core Solution : 390 MB
DISK SPACE ESTIMATION INFORMATION :
-----------------------------------
Estimated Disk Space for Output Data Files : 14 MB
Estimated Scratch Disk Space for In-Core Solution : 87 MB
Estimated Scratch Disk Space for Out of Core Solution : 472 MB
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BEGINNING ANALYSIS SOLUTION ....
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ANALYSIS RESULTS :
------------------
ITERATION 0
Auto-SPC d. o. f.s for loadcase 1
Number of Auto-SPC d. o. f.s= 154542
------------------------------
Grid No. Component
------------------------------
50138 1 2 3 4 5 6
50139 1 2 3 4 5 6
50140 1 2 3 4 5 6
50141 1 2 3 4 5 6
50142 1 2 3 4 5 6
50143 1 2 3 4 5 6
50144 1 2 3 4 5 6
50145 1 2 3 4 5 6
50146 1 2 3 4 5 6
50147 1 2 3 4 5 6
50148 1 2 3 4 5 6
50149 1 2 3 4 5 6
52862 1 2 3 4 5 6
52863 1 2 3 4 5 6
52864 1 2 3 4 5 6
52865 1 2 3 4 5 6
52866 1 2 3 4 5 6
------------------------------
By default, Auto-SPC printing is limited to 100 dofs.
ERROR # 153 FROM SUBROUTINE statslv
Exactly zero pivoting encountered during Numerical Factorization;
the model may have rigid body mode.
Solver error no. = -503
spc set id = 1
index = 1
Possible reasons are:
1) insufficiently constrained model,
2) having rigid body mechanisms within the model,
3) extremely ill-conditioned rigid element sets,
4) extremely thin shells (as used for"skinning") that have MID2/MID3,
5) gap elements with extremely high stiffness (KA, especially KT or MU).
Check the model and rerun the problem.
(osdiag,46,1 may be used to find the rigid body modes.To do so,
change the input to be an eigenvalue analysis and add osdiag,46,1.)
(WARNING: results obtained with osdiag,46,1 cannot be used because
the model is changed internally.)
***** FATAL SOLVER ERROR *****
This error occurs in subroutine slvdrv
***** FATAL ERROR ENCOUNTERED *****
************************************************************************
RESOURCE USAGE INFORMATION
--------------------------
MAXIMUM MEMORY USED 97 MB
MAXIMUM DISK SPACE USED 0 MB
************************************************************************
************************************************************************
COMPUTE TIME INFORMATION
------------------------
EXECUTION STARTED Mon May 18 18:31:14 2009
EXECUTION COMPLETED Mon May 18 18:31:41 2009
ELAPSED TIME 00:00:27
CPU TIME 00:00:13
************************************************************************
***** END OF REPORT *****
For Useful OptiStruct Tips and Tricks, go to the URL:
http://www.altair.com/support/tips/tip_os.htm
OptiStruct ERROR: 153 ERROR # 153 FROM SUBROUTINE statslv
Exactly zero pivoting encountered during Numerical Factorization;
the model may have rigid body mode.
Solver error no. = -503
spc set id = 1
index = 1
Possible reasons are:
1) insufficiently constrained model,
2) having rigid body mechanisms within the model,
3) extremely ill-conditioned rigid element sets,
4) extremely thin shells (as used for"skinning") that have MID2/MID3,
5) gap elements with extremely high stiffness (KA, especially KT or MU).
Check the model and rerun the problem.
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