Application of the Q-Less QR Factorization to Resolve Sparse Linear Over-Constraints

Over-constraint issues frequently arise in complex models with multiple constraints, such as those used in multibody systems and contact analyses. When over-constraints exist, commonly used constraint-handling methods, such as the transformation method, the Lagrange multiplier method, and the penalt...

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Autori principali:	Jeong-Rae Cho, Keunhee Cho, Hyejin Yoon, Dong Sop Rhee, Jin Ho Lee
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	MDPI AG 2025-12-01
Serie:	Applied Sciences
Soggetti:	over-constraint slave DOFs Gaussian elimination Q-less QR factorization sparse constraint matrix finite element analysis
Accesso online:	https://www.mdpi.com/2076-3417/15/24/13059
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