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OpenSees

Simulating finite rotations with OpenSees

May 29, 2025 by Berkeley Engineering

Very few mainstream finite element analysis programs offer elements that directly interpolate a finite rotation field. This is because finite rotations violate a foundational requirement of the finite element method: they do not form a vector space. Rotation composition is noncommutative, so interpolation techniques that assume linear superposition fail. As a result, most beam and […]

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