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math.NA2025
CutVEM: Conforming virtual element method on embedded domains with shape-agnostic element agglomeration
Ramsharan Rangarajan, N. Sukumar
The virtual element method (VEM) is a stabilized Galerkin method that is robust and accurate on general polygonal meshes. This feature makes it an appealing candidate for simulatio…
cond-mat.soft2025
From Phenomenology to a Nonlinear Model of Dynamic Snap-Through of an Elastica
Chiraprabha Bhattacharyya, Ramsharan Rangarajan
Rotating the clamped ends of a buckled elastica induces a snap-through instability. Predicting the limit point and determining the equilibria at the start and end of the snap are r…