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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Principais autores:	Jeong-Rae Cho, Keunhee Cho, Hyejin Yoon, Dong Sop Rhee, Jin Ho Lee
Formato:	Artigo
Idioma:	Inglês
Publicado em:	MDPI AG 2025-12-01
coleção:	Applied Sciences
Assuntos:	over-constraint slave DOFs Gaussian elimination Q-less QR factorization sparse constraint matrix finite element analysis
Acesso em linha:	https://www.mdpi.com/2076-3417/15/24/13059
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