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20182026
most citedA Discontinuous Galerkin Method by Patch Reconstruction for Elliptic Interface Problem on Unfitted Mesh

14 citations · 30 across the 9 of their papers we have counts for

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math.NA2026

An unfitted finite element method for elliptic interface problem with low regularity estimates

Fanyi Yang

In this paper, we present and analyze an unfitted finite element method for the elliptic interface problem. We consider the case that the interface is -smooth or polygonal, an…

math.NA2023

The Least Squares Finite Element Method for Elasticity Interface Problem on Unfitted Mesh

Fanyi Yang

In this paper, we propose and analyze the least squares finite element methods for the linear elasticity interface problem in the stress-displacement system on unfitted meshes. We…

math.NA2021

A discontinuous least squares finite element method for Helmholtz equations

Ruo Li, Qicheng Liu, Fanyi Yang

We propose a discontinuous least squares finite element method for solving the Helmholtz equation. The method is based on the L2 norm least squares functional with the weak imposit…

math.NA2020

A discontinuous least squares finite element method for time-harmonic Maxwell equations

Ruo Li, Qicheng Liu, Fanyi Yang

We propose and analyze a discontinuous least squares finite element method for solving the indefinite time-harmonic Maxwell equations. The scheme is based on the norm least s…

math.NA2020

Reconstructed Discontinuous Approximation to Stokes Equation in A Sequential Least Squares Formulation

Ruo Li, Fanyi Yang

We propose a new least squares finite element method to solve the Stokes problem with two sequential steps. The approximation spaces are constructed by patch reconstruction with on…

math.NA2019★ 2 cited

A Reconstructed Discontinuous Approximation to Monge-Ampere Equation in Least Square Formation

Ruo Li, Fanyi Yang

We propose a numerical method to solve the Monge-Ampere equation which admits a classical convex solution. The Monge-Ampere equation is reformulated into an equivalent first-order…

math.NA2019★ 4 cited

A sequential least squares method for elliptic equations in non-divergence form

Ruo Li, Fanyi Yang

We develop a new least squares method for solving the second-order elliptic equations in non-divergence form. Two least-squares-type functionals are proposed for solving the equati…

math.NA2019★ 10 cited

Solving Eigenvalue Problems in a Discontinuous Approximation Space by Patch Reconstruction

Ruo Li, Zhiyuan Sun, Fanyi Yang

We adapt a symmetric interior penalty discontinuous Galerkin method using a patch reconstructed approximation space to solve elliptic eigenvalue problems, including both second and…

math.NA2018★ 14 cited

A Discontinuous Galerkin Method by Patch Reconstruction for Elliptic Interface Problem on Unfitted Mesh

Ruo Li, Fanyi Yang

We propose a discontinuous Galerkin(DG) method to approximate the elliptic interface problem on unfitted mesh using a new approximation space. The approximation space is constructe…