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Problem with buckling analysis in MSC Nastran

Problem with buckling analysis in MSC Nastran

Problem with buckling analysis in MSC Nastran

(OP)
I am running analysis of a composite hull with several bulkheads. F06 ends as follows with no results for eigenvectors values returned. Does anybody have any idea why?

*** USER INFORMATION MESSAGE 5010 (LNCILD)
STURM SEQUENCE DATA FOR EIGENVALUE EXTRACTION.
TRIAL EIGENVALUE = 2.500000D-01, CYCLES = 7.957747D-02 NUMBER OF EIGENVALUES BELOW THIS VALUE = 745
MAIN: "Access violation" (C0000005) exception encountered.
MAIN: For reference, A(MAINAL) = 4011B2, A(/SYSTEM/) = 35FCC60
MAIN: A(/XNSTRN/) = 7A50000
MAIN: Exception occurred at address 02E2962C.
MAIN: Program attempted to access data at location 372EB5F8.

RE: Problem with buckling analysis in MSC Nastran

This is a program crash, caused by a bug in the source code. You should send your data file off to MSC, NE or Siemens depending on which nastran you have.


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