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MSC NASTRAN linear contacts issue

MSC NASTRAN linear contacts issue

MSC NASTRAN linear contacts issue

(OP)
Hi all,

I need some help.

I am trying to use MSC NASTRAN linear contacts(BCONTACT, between surfaces and between a surface and a solid) in a model and It's giving me back the following error.

CODE --> NASTRAN

*** SYSTEM INFORMATION MESSAGE 4652 (nl3int)
     THE ADDITIONAL MEMORY ESTIMATE IS     8436083 WORDS.
     REDUCE P-SET BY APPROXIMATELY  -843608 DEGREES OF FREEDOM.

 *** JOB DOES NOT CONVERGE AT THE CURRENT TIME STEP OR INCREMENT.
 *** FATAL ERROR ENCOUNTED.
 *** SYSTEM WARNING MESSAGE 3008 (NLSOLV)
     INSUFFICIENT MEMORY AVAILABLE FOR SUBROUTINE NL3INT
 *** USER FATAL MESSAGE 9058 (SUBDMAP SUPER3)
     THE SOLUTION FOR THE RESIDUAL STRUCTURE DOES NOT EXIST.
 *** USER INFORMATION MESSAGE 4110 (OUTPX2) 

The model is quite large so I suspected that the problem could be related to that, but our computer is able to run a SOL101 without any problems. On the other hand, the contacts are defined in a small area so I suppose that neither is the origin of the problem.

¿Do you know what could be the cause?

I use the following cards and parameters (Note that BSURF cards are used but not included)


CODE --> NASTRAN

$Inside the subcase
$-------$-------$-------$-------$-------$-------$-------$-------$-------
BCONTACT =        17
NLPARM =        1
$
$
$After begin Bulk
$-------$-------$-------$-------$-------$-------$-------$-------$-------
BCPARA  0
NLPARM  1       20              FNT
$
$
BCBODY        10      3D  DEFORM       6       0     0.0       0       0
BCBODY        11      3D  DEFORM       4       0     0.0       0       0
BCBODY        12      3D  DEFORM       5       0     0.0       0       0
BCBODY        13      3D  DEFORM       8       0     0.0       0       0
BCBODY        14      3D  DEFORM       2       0     0.0       0       0
BCBODY        15      3D  DEFORM       7       0     0.0       0       0
$
BCTABLE       17                       4
+       SLAVE         14                            -1.0       0        
+                                      0
+       MASTERS       10
+       SLAVE         11                            -1.0       0        
+                                      0
+       MASTERS       12
+       SLAVE         13                            -1.0       0        
+                                      0
+       MASTERS       14
+       SLAVE         15                            -1.0       0        
+                                      0
+       MASTERS       11 


I would appreciate your help.

Thank you in advanced,

Regards,

RE: MSC NASTRAN linear contacts issue

(OP)
Hi,

Any ideas?

Thank you

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