A multilevel projection‐based model order reduction framework for nonlinear dynamic multiscale problems in structural and solid mechanics

Summary A reduction/hyper reduction framework is presented for dramatically accelerating the solution of nonlinear dynamic multiscale problems in structural and solid mechanics. At each scale, the dimensionality of the governing equations is reduced using the method of snapshots for proper orthogona...

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Veröffentlicht in:	International journal for numerical methods in engineering 2017-11, Vol.112 (8), p.855-881
Hauptverfasser:	Zahr, Matthew J., Avery, Philip, Farhat, Charbel
Format:	Artikel
Sprache:	eng
Schlagworte:	Coarsening Computer simulation Computing time Decomposition Finite element method hyper reduction Lagrange multiplier Mechanics Model reduction Multilevel multiscale nonlinear model order reduction POD Proper Orthogonal Decomposition Reduced order models Sampling Singular value decomposition Solid mechanics Training Weighting
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