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Nastran calculation questions: Dynamic release (???)

Nastran calculation questions: Dynamic release (???)

Nastran calculation questions: Dynamic release (???)

(OP)
Dear All,
I am using nastran to calculate the stress in a structure under g-force. I am new in this area. Someone told me that
I should apply "dynamic release" (maybe I did not get the
term right) to the constraints.

One example is a structure connecting to the vehicle frame.
I was told that I should apply this kind of operation to
the connection between the structure and frame.

Can anyone educate me about this?

Thanks a lot!

H.W.

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