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#modal-analysis

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Blog20.6K views508 votes1 reply1 comment3,830 following

Using Prestress (Stress Stiffening) in Ansys Mechanical Modal Analysis for Rotating Components

Learn how to enable prestress (stress stiffening) in Ansys Mechanical modal analysis to improve frequency predictions for spinning blades, with a worked example, setup steps, limitations, and verification tips.

mechanical

ansys modal-analysisTasadduq Burneyowner34.8K rep · 01 Jun 2026, 03:55 UTC

Blog94.5K views1,559 votes

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When Your Modal Model Won't Fit: Craig-Bampton Substructuring in Ansys Mechanical

Craig-Bampton substructuring in Ansys Mechanical condenses large assemblies into reduced modal models. Here's the workflow, the accuracy trade-offs, and how to verify results against a full solve.

substructuring ansys-mechanical

ansysTasadduq Burneyowner34.8K rep · 23 Mar 2026, 00:34 UTC