Does dynamic analysis need to add cell density?

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yulinqian
Posts: 5
Joined: Thu Nov 26, 2020 2:23 am

Does dynamic analysis need to add cell density?

Post by yulinqian »

hello everyone
i want to ask that Does dynamic analysis need to add cell density?
thank you every mush.
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selimgunay
Posts: 917
Joined: Mon Sep 09, 2013 8:50 pm
Location: University of California, Berkeley

Re: Does dynamic analysis need to add cell density?

Post by selimgunay »

You can either add mass/length along the element to use a consistent mass matrix or mass at the nodes to use a diagonal mass matrix
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