A quadratic manifold derived via perturbation analysis extends the Craig-Bampton method to geometrically nonlinear structures, producing an efficient polynomial reduced-order model via Galerkin projection that preserves Lagrangian structure.
Tiso, Optimal second order reduction basis selection for nonlinear transient analysis, in: T
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Craig-Bampton-based Quadratic Manifold for Nonlinear Substructuring
A quadratic manifold derived via perturbation analysis extends the Craig-Bampton method to geometrically nonlinear structures, producing an efficient polynomial reduced-order model via Galerkin projection that preserves Lagrangian structure.