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andrea_mazza

ERROR 4002 - ISTOP = 0

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Hello,

I am having some troubles running a non- linear implicit analisys in optistruct, below the .out file. Thanks for help.

 

*********************************************************************

FINITE ELEMENT MODEL DATA INFORMATION :
---------------------------------------

  Total # of Grids (Structural)        :    417793
  Total # of Elements                  :   1404195
  Total # of Degrees of Freedom        :   1253379
  (Structural)
  Total # of Non-zero Stiffness Terms  :  21942051

 
  Element Type Information
  ------------------------

   CTETRA   Elements   :  1404195

  Load and Boundary Information
  -----------------------------

   FORCE Sets        :         1
   SPC   Sets        :         1
   NLOAD Sets        :         1

  Material and Property Information
  ---------------------------------

   PSOLID Cards      :         1
   PSOLIDX Cards     :         1
   MAT1   Cards      :         1
   MATX02 Cards      :         1

************************

 

************************

OPTIMIZATION PROBLEM PARAMETERS :
---------------------------------

 NO DESIGN MATERIAL OR DESIGN VARIABLES FOUND  : ANALYSIS ONLY

   ------------------------
   NLGEOM Subcase Summary :
   ------------------------

   ----------   ---------  ------  --------  -------  --------  ----------  --------                                            
   Subcase ID   NLPARM ID  SPC ID  NLOAD ID  LOAD ID  XHIST ID  SOLVTYP ID  RWALL ID
            1           5       1         7
   ----------   ---------  ------  --------  -------  --------  ----------  --------                                            

   Run Type                        :   Analysis Only
   Run at location                 : E:/risultati/poc/compression
   Scratch file directory          : E:/risultati/poc/compression
                                     Free space:   201.729 GB
   Number of CPU processors        :          6


************************

 

************************

MEMORY ESTIMATION INFORMATION :
-------------------------------

 Solver Type is:  Sparse-Matrix Solver
                  Direct Method
 
 Current Memory (RAM)                                    :    1303 MB
 Estimated Minimum Memory (RAM) for Out of Core Solution :    1303 MB
 Recommended Memory (RAM) for Out of Core Solution       :    1303 MB
 Recommended Memory (RAM) for In-Core Solution           :    1303 MB
 (Note: The Minimum Memory Requirement is limited by Output Module.)         
 
DISK SPACE ESTIMATION INFORMATION :
-----------------------------------

 Estimated Disk Space for Output Data Files              :       5 MB
 Estimated Scratch Disk Space for In-Core Solution       :     281 MB
 Estimated Scratch Disk Space for Out of Core Solution   :     281 MB

************************


BEGINNING ANALYSIS SOLUTION ....


************************

ANALYSIS RESULTS :
------------------

  
ITERATION   0
  
 (Scratch disk space usage for starting iteration = 281 MB)
  
  NLGEOM subcase        1, starter running ...
  
  NLGEOM subcase        1, starter finished
  
  NLGEOM subcase        1, engine running ...
  
 * ERROR # 4002 *
 Running RADIOSS engine, 1 ERROR and 0 WARNINGs have been detected.
 They are listed below.

 ENGINE ERROR:
  * ERROR : RADIOSS IMPLICIT STOPPED DUE TO LOADING DATA *
       ISTOP=0
  
  NLGEOM subcase        1, engine finished
  
(Running in-core solution)

Volume                              = 4.57748E+003   Mass     = 1.24050E-005

  
 NOTE # 1405
 Memory is being expanded from 1303 MB to 1507 MB.
 Estimated working storage was not enough for inserting the data block
 "elmres" (102 MB + 74 MB)
 In order that we may improve our memory estimates, it would be appreciated 
  if you could email this information and your run command to Local Altair 
  support in your region. If it is possible, please also include input data.

************************
  
 ANALYSIS COMPLETED.
  
 * SOME ERRORS WERE REPORTED DURING THE RUN,
 * PLEASE VERIFY RESULTS AS THEY MAY BE INVALID.
  

**********************

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Guest

Hi @andrea_mazza

 

What is the analysis about?

 

Could you please run NLSTAT with LGDISP analysis if it is a large strain problem and check if that helps?

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Guest

Hi,

 

Please refer to OS-T: 1500 Nonlinear Implicit Analysis of Bending a Plate

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Guest

Hi,

 

Please use the File transfer link in my signature to share model files. 

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