Proximal Galerkin method exactly enforces the isometry constraint for nonlinear plates at mesh cell barycenters without preprocessing, yielding asymptotically mesh-independent convergence.
Computing the Riemannian logarithm on the Stiefel man- ifold: Metrics, methods, and performance.SIAM Journal on Matrix Analysis and Applications, 43(2):953–980
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Proximal Galerkin for the isometry constraint
Proximal Galerkin method exactly enforces the isometry constraint for nonlinear plates at mesh cell barycenters without preprocessing, yielding asymptotically mesh-independent convergence.