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相关论文: A positivity-preserving, second-order energy stabl…

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In this paper, we construct and analyze a uniquely solvable, positivity preserving and unconditionally energy stable finite-difference scheme for the periodic three-component Macromolecular Microsphere Composite (MMC) hydrogels system, a…

数值分析 · 数学 2021-07-07 Lixiu Dong , Cheng Wang , Steven M. Wise , Zhengru Zhang

We present and analyze a new second-order finite difference scheme for the Macromolecular Microsphere Composite hydrogel, Time-Dependent Ginzburg-Landau (MMC-TDGL) equation, a Cahn-Hilliard equation with Flory-Huggins-deGennes energy…

数值分析 · 数学 2020-08-26 Lixiu Dong , Cheng Wang , Hui Zhang , Zhengru Zhang

In this article, we present and analyze a finite element numerical scheme for a three-component macromolecular microsphere composite (MMC) hydrogel model, which takes the form of a ternary Cahn-Hilliard-type equation with…

数值分析 · 数学 2021-04-20 Maoqin Yuan , Wenbin Chen , Cheng Wang , Steven M. Wise , Zhengru Zhang

In this paper, we develop a first order (in time) numerical scheme for the binary fluid surfactant phase field model. The free energy contains a double-well potential, a nonlinear coupling entropy and a Flory-Huggins potential. The…

数值分析 · 数学 2021-02-17 Yuzhe Qin , Cheng Wang , Zhengru Zhang

In this paper, two finite difference numerical schemes are proposed and analyzed for the droplet liquid film model, with a singular Leonard-Jones energy potential involved. Both first and second order accurate temporal algorithms are…

数值分析 · 数学 2020-12-23 Juan Zhang , Cheng Wang , Steven M. Wise , Zhengru Zhang

We present a numerical scheme for solving a sixth-order Cahn-Hilliard type equation that captures the dynamics of phase transitions in a ternary mixture consisting of two immiscible fluids and a surface active molecule that is amphiphilic.…

数值分析 · 数学 2025-04-01 Natasha S. Sharma , Giordano Tierra

A finite difference numerical scheme is proposed and analyzed for the Cahn-Hilliard-Stokes system with Flory-Huggins energy functional. A convex splitting is applied to the chemical potential, which in turns leads to the implicit treatment…

数值分析 · 数学 2023-03-22 Yunzhuo Guo , Cheng Wang , Steven M. Wise , Zhengru Zhang

The space fractional Cahn-Hilliard phase-field model is more adequate and accurate in the description of the formation and phase change mechanism than the classical Cahn-Hilliard model. In this article, we propose a temporal second-order…

数值分析 · 数学 2021-05-13 Yong-Liang Zhao , Meng Li , Alexander Ostermann , Xian-Ming Gu

We present an optimal rate convergence analysis for a second order accurate in time, fully discrete finite difference scheme for the Cahn-Hilliard-Navier-Stokes (CHNS) system, combined with logarithmic Flory-Huggins energy potential. The…

数值分析 · 数学 2024-05-07 Wenbin Chen , Jianyu Jing , Qianqian Liu , Cheng Wang , Xiaoming Wang

We present and analyze finite difference numerical schemes for the Allen Cahn/Cahn-Hilliard equation with a logarithmic Flory Huggins energy potential. Both the first order and second order accurate temporal algorithms are considered. In…

数值分析 · 数学 2019-02-12 Wenbin Chen , Cheng Wang , Xiaoming Wang , Steven M. Wise

In this paper we devise and analyze an unconditionally stable, second-order-in-time numerical scheme for the Cahn-Hilliard equation in two and three space dimensions. We prove that our two-step scheme is unconditionally energy stable and…

数值分析 · 数学 2014-11-20 Amanda E. Diegel , Cheng Wang , Steven M. Wise

In this paper we propose and analyze an energy stable numerical scheme for the Cahn-Hilliard equation, with second order accuracy in time and the fourth order finite difference approximation in space. In particular, the truncation error for…

数值分析 · 数学 2017-12-19 Kelong Cheng , Wenqiang Feng , Cheng Wang , Steven M. Wise

We propose and analyze a first-order finite difference scheme for the functionalized Cahn-Hilliard (FCH) equation with a logarithmic Flory-Huggins potential. The semi-implicit numerical scheme is designed based on a suitable convex-concave…

数值分析 · 数学 2023-07-28 Wenbin Chen , Jianyu Jing , Hao Wu

In this paper we propose and analyze a (temporally) third order accurate backward differentiation formula (BDF) numerical scheme for the no-slope-selection (NSS) equation of the epitaxial thin film growth model, with Fourier pseudo-spectral…

数值分析 · 数学 2021-02-03 Yonghong Hao , Qiumei Huang , Cheng Wang

In this work, we mainly present the optimal convergence rates of the temporally second-order finite element scheme for solving the electrohydrodynamic equation. Suffering from the highly coupled nonlinearity, the convergence analysis of the…

数值分析 · 数学 2025-05-06 Shengfeng Wang , Zeyu Xia , Maojun Li

We present a second-order-in-time finite difference scheme for the Cahn-Hilliard-Hele-Shaw equations. This numerical method is uniquely solvable and unconditionally energy stable. At each time step, this scheme leads to a system of…

数值分析 · 数学 2016-11-10 Wenbin Chen , Wenqiang Feng , Yuan Liu , Cheng Wang , Steven M. Wise

In this paper, we present a novel second order in time mixed finite element scheme for the Cahn-Hilliard-Navier-Stokes equations with matched densities. The scheme combines a standard second order Crank-Nicholson method for the…

数值分析 · 数学 2016-06-09 Amanda E. Diegel , Cheng Wang , Xiaoming Wang , Steven M. Wise

We develop a new finite difference scheme for the Maxwell-Stefan diffusion system. The scheme is conservative, energy stable and positivity-preserving. These nice properties stem from a variational structure and are proved by reformulating…

数值分析 · 数学 2020-05-19 Xiaokai Huo , Hailiang Liu , Athanasios E. Tzavaras , Shuaikun Wang

In this paper, we study a novel second-order energy stable Backward Differentiation Formula (BDF) finite difference scheme for the epitaxial thin film equation with slope selection (SS). One major challenge for the higher oder in time…

数值分析 · 数学 2017-06-29 Wenqiang Feng , Cheng Wang , Steven M. Wise , Zhengru Zhang

In this paper we propose and analyze a finite difference numerical scheme for the Poisson-Nernst-Planck equation (PNP) system. To understand the energy structure of the PNP model, we make use of the Energetic Variational Approach (EnVarA),…

数值分析 · 数学 2020-09-18 Chun Liu , Cheng Wang , Steven M. Wise , Xingye Yue , Shenggao Zhou
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