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Simple spring-mass system

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I´m new at HyperMesh and I´d like to know how can I simulate a very simple spring-mass system in HyperMesh to obtain the modal frequency of it. Can somebody help me? Which elements, property and type of analysis should I use?

Thanks in advance.

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You can use CONM2 for mass & Bush element for Spring to carryout modal frequency analysis.Refer Optistruct analysis tutorial for step by step procedure.

Attached sample deck for usage of CONM2 and Bush element for Linear static analysis.

bush load.fem

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