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Second order element in composite modeling

Hey Guys!

I've just wondering, it is useful to apply second order element for composite in Hypermesh using Optistruct as a solver? I think the composite theories use pretty much linear approximation between layers that's why I'm asking this 'silly' question.

Thanks for answers in advance!

Have a nice day,

Imre

ps.: if you have any good tutorial, books etc. for composite modeling I would be grateful if you can share with me!

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Rahul Rajan_21763

You could run a Composite analysis with the second-order element in OptIStruct.However, the general practice is to use first-order elements.

Please use the below link to download free ebook on Composite analysis using OptSitruct.

https://altairuniversity.com/free-ebook-introduction-to-practical-aspects-of-composites/

Altair Forum User

Hey Rahul!

Thanks for the quick answer. I am aware of this ebook and find it pretty useful. I think I will make a few test to compare the two methods.