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SAP2000 does not evaluate warping directly for frame elements and it does not explicitly calculate or use the warping moment of inertia, Iw.

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FAQ

How can I obtain warping stresses from SAP2000?

Open QuestionUse shell elements to create a detailed model of the beam.

Can I evaluate warping stresses using only frame element, or do I need to create more detailed model using shell elements?

Open Question

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Modeling by shell elements is required.