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Fatal error during Normal Mode simulation

rex.he over 5 years ago

When I did Normal Modes simulation using MFLUID, VMOPT=2, I get below fatal error:

*** USER FATAL MESSAGE 6136 (UDSFA)

INSUFFICIENT CORE FOR NUMERIC PHASE OF SPARSE DECOMPOSITION.

USER ACTION: INCREASE CORE BY ********** WORDS

0FATAL ERROR

1 * * * END OF JOB * * *

How can I fix this?

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0 rex.he over 5 years ago

OK, thank you for all your help. So the Virtual Fluid Mass Method is not feasible in Nastran if the wet element is too many, am I right? if I am right, which is the feasible wet element number to run the simulation?

Thanks again.

Meanwhile, I will try to set up another model by using your above suggestion.
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0 rex.he over 5 years ago

OK, thank you for all your help. So the Virtual Fluid Mass Method is not feasible in Nastran if the wet element is too many, am I right? if I am right, which is the feasible wet element number to run the simulation?

Thanks again.

Meanwhile, I will try to set up another model by using your above suggestion.
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