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Typical warning message from LUSAS Solver text output file (*.OUT):
***WARNING*** CANNOT CHOOSE LARGEST EIGENVALUES IN A BUCKLING ANALYSIS : SMALLEST ONES CHOSEN BY DEFAULT
(RDEGCT PROCESSOR)
Most common causes & links to solutions
This is because the option “Eigenvalues
required” is set to “Maximum” rather than “Minimum” in the
Eigenvalue Control for the loadcase in an Eigenvalue
Buckling Analysis. In a Buckling analysis you would normally want the first mode as this will be the lowest load factor at which buckling occurs.
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