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guyan reduction

Altair Forum User

hello,

I am performing a GUYAN reduction analysis in HM. I have no idea how to perform this analysis. Can someone kindly explain how to perform this analysis in HM. thank you.

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Altair Forum User

Hi Srikanth,

You can use CMSMETH (in load collector) case control card and specify the method to GUYAN in the same in OptiStruct. CMS stands for Component mode synthesis.

Please refer to the topic 'Creating Superelements' on how to use CMSMETH card.

Altair OptiStruct > User's Guide > NVH Analysis:

Creating Superelements

Please refer to CMSMETH for more information on CMS method.

Altair OptiStruct > Reference Guide > Input Data > Bulk Data Section:

CMSMETH

Altair Forum User

hi prakash, i am using nx nastran as solver, so can you please instruct accordingly ? thanks

Rahul_P1

srikanthg2310

Please find out the cards necessary to perform this analysis in NX Nastran from Nastran Manuals etc and we can help you create these cards and preprocess in HyperMesh, this is the ideal procedure.