Lowest-degree robust finite element schemes for inhomogeneous bi-Laplace problems
DOI10.1016/j.apnum.2024.05.010zbMath1543.65183MaRDI QIDQ6577618
Bin Dai, Huilan Zeng, Shuo Zhang, Chen-Song Zhang
Publication date: 24 July 2024
Published in: Applied Numerical Mathematics (Search for Journal in Brave)
singular perturbation problemrectangular gridsHelmholtz transmission eigenvalue problemrobust optimal quadratic element
Singular perturbations in context of PDEs (35B25) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25)
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