3 papers
math.NA2025
ParaSLRF: A High Performance Rational Filter Method for Solving Large Scale Eigenvalue Problems
Biyi Wang, Karl Meerbergen, Raf Vandebril +2
In \emph{Wang et al., A Shifted Laplace Rational Filter for Large-Scale Eigenvalue Problems}, the SLRF method was proposed to compute all eigenvalues of a symmetric definite genera…
math.NA2024
Two-Level preconditioning method for solving saddle point systems in contact computation
Xiaoyu Duan, Hengbin An
In contact mechanics computation, the constraint conditions on the contact surfaces are typically enforced by the Lagrange multiplier method, resulting in a saddle point system. Gi…
math.NA2024
A DOFs condensation based algorithm for solving saddle point systems in contact computation
Xiaoyu Duan, Hengbin An, Zeyao Mo
In contact mechanics computation, the constraint conditions on the contact surfaces are typically enforced by the Lagrange multiplier method, resulting in a saddle point system. Th…