[HTML][HTML] Linear, second order and unconditionally energy stable schemes for the viscous Cahn–Hilliard equation with hyperbolic relaxation using the invariant energy …

X Yang, J Zhao, X He - Journal of Computational and Applied Mathematics, 2018 - Elsevier
In this paper, we consider numerical approximations for the viscous Cahn–Hilliard equation
with hyperbolic relaxation. This type of equations processes energy-dissipative structure …

Regularized linear schemes for the molecular beam epitaxy model with slope selection

L Chen, J Zhao, X Yang - Applied Numerical Mathematics, 2018 - Elsevier
In this paper, we propose full discrete linear schemes for the molecular beam epitaxy (MBE)
model with slope selection, which are shown to be unconditionally energy stable and unique …

Efficient and linear schemes for anisotropic Cahn–Hilliard model using the stabilized-invariant energy quadratization (S-IEQ) approach

Z Xu, X Yang, H Zhang, Z Xie - Computer Physics Communications, 2019 - Elsevier
In this paper, we consider numerical approximations for the anisotropic Cahn–Hilliard
equation. We develop two linear and second-order schemes that combine the IEQ approach …

Efficient linear schemes for the nonlocal Cahn–Hilliard equation of phase field models

X Yang, J Zhao - Computer Physics Communications, 2019 - Elsevier
In this paper, we develop two second-order in time, linear and unconditionally energy stable
time marching schemes for solving the nonlocal Cahn–Hilliard phase field model. The main …

[HTML][HTML] Efficient, non-iterative, and second-order accurate numerical algorithms for the anisotropic Allen–Cahn Equation with precise nonlocal mass conservation

J Zhang, C Chen, X Yang, Y Chu, Z Xia - Journal of Computational and …, 2020 - Elsevier
We propose two efficient, non-iterative, and second-order accurate algorithms to solving the
anisotropic Allen–Cahn equation with the nonlocal mass conservation. The first scheme is …

Flexible Ultra-convergence Structures for the Finite Volume Element Method

X Wang, Y Zhang, Z Zhang - Journal of Scientific Computing, 2024 - Springer
We introduce a novel class of ultra-convergent structures for the Finite Volume Element
(FVE) method. These structures are characterized by asymmetric and optional …

[PDF][PDF] Improved RBF collocation methods for fourth order boundary value problems

CS Chen, A Karageorghis, H Zheng - Commun. Comput. Phys, 2020 - researchgate.net
Radial basis function (RBF) collocation methods (RBFCMs) are applied to fourth order
boundary value problems (BVPs). In particular, we consider the classical Kansa method and …

Implicit surface reconstruction with radial basis functions via PDEs

XY Liu, H Wang, CS Chen, Q Wang, X Zhou… - … Analysis with Boundary …, 2020 - Elsevier
We propose a partial differential equations-based algorithm for the 3D implicit surface
reconstruction from a set of scattered cloud data. In the solution process, the method of …

The radial basis function-differential quadrature method for elliptic problems in annular domains

DW Watson, A Karageorghis, CS Chen - Journal of Computational and …, 2020 - Elsevier
We employ a radial basis function (RBF)-differential quadrature (DQ) method for the
numerical solution of elliptic boundary value problems in annular domains. With an …

A localized MAPS using polynomial basis functions for the fourth-order complex-shape plate bending problems

ZC Tang, ZJ Fu, CS Chen - Archive of Applied Mechanics, 2020 - Springer
In this paper, the localized method of approximate particular solutions using polynomial
basis functions is proposed to solve plate bending problems with complex domains. The …