中文
相关论文

相关论文: An energy stable finite element scheme for the thr…

200 篇论文

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

A second order accurate numerical scheme is proposed and analyzed for the periodic three-component Macromolecular Microsphere Composite(MMC) hydrogels system, a ternary Cahn-Hilliard system with a Flory-Huggins-deGennes free energy…

数值分析 · 数学 2025-01-13 Lixiu Dong , Cheng Wang , 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

We present and analyze an unconditionally energy stable and convergent finite difference scheme for the Functionalized Cahn-Hilliard equation. One key difficulty associated with the energy stability is based on the fact that one nonlinear…

数值分析 · 数学 2016-10-11 Wenqiang Feng , Zhen Guan , John Lowengrub , Cheng Wang , Steven M. Wise

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

In this paper, we consider the numerical approximation for a diffuse interface model of the two-phase incompressible inductionless magnetohydrodynamics problem. This model consists of Cahn-Hilliard equations, Navier-Stokes equations and…

数值分析 · 数学 2022-02-01 Xiaorong Wang , Xiaodi 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

We present a finite-volume based numerical scheme for a nonlocal Cahn-Hilliard equation which combines ideas from recent numerical schemes for gradient flow equations and nonlocal Cahn-Hilliard equations. The equation of interest is a…

数值分析 · 数学 2024-04-08 Rainey Lyons , Grigor Nika , Adrian Muntean

A fully discrete semi-convex-splitting finite-element scheme with stabilization for a Cahn-Hilliard cross-diffusion system is analyzed. The system consists of parabolic fourth-order equations for the volume fraction of the fiber phase and…

数值分析 · 数学 2024-06-05 Ansgar Jüngel , Boyi Wang

In this paper we devise and analyze a mixed finite element method for a modified Cahn-Hilliard equation coupled with a non-steady Darcy-Stokes flow that models phase separation and coupled fluid flow in immiscible binary fluids and diblock…

数值分析 · 数学 2013-12-24 Amanda E. Diegel , Xiaobing H. Feng , Steven M. Wise

The Cahn--Hilliard equation is a widely used model that describes amongst others phase separation processes of binary mixtures or two-phase flows. In the recent years, different types of boundary conditions for the Cahn--Hilliard equation…

数值分析 · 数学 2021-03-04 Stefan Metzger

We propose and analyze a finite element approximation of the relaxed Cahn-Hilliard equation with singular single-well potential of Lennard-Jones type and degenerate mobility that is energy stable and nonnegativity preserving. The…

偏微分方程分析 · 数学 2022-12-21 Alexandre Poulain , Federica Bubba

We propose finite-volume schemes for the Cahn-Hilliard equation which unconditionally and discretely preserve the boundedness of the phase field and the dissipation of the free energy. Our numerical framework is applicable to a variety of…

数值分析 · 数学 2023-12-18 Rafael Bailo , José A. Carrillo , Serafim Kalliadasis , Sergio P. Perez

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

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

We propose a new numerical method to solve the Cahn-Hilliard equation coupled with non-linear wetting boundary conditions. We show that the method is mass-conservative and that the discrete solution satisfies a discrete energy law similar…

数值分析 · 数学 2019-10-21 B. Aymard , U. Vaes , M. Pradas , S. Kalliadasis

How to develop efficient numerical schemes while preserving the energy stability at the discrete level is a challenging issue for the three component Cahn-Hilliard phase-field model. In this paper, we develop first and second order temporal…

数值分析 · 数学 2017-02-01 Xiaofeng Yang , Jia Zhao , Qi Wang , Jie Shen

A novel numerical scheme including time and spatial discretization is offered for coupled Cahn-Hilliard and Navier-Stokes governing equation sys-tem in this paper. Variable densities and viscosities are considered in the nu-merical scheme.…

计算物理 · 物理学 2018-05-25 Xiaoyu Feng , Jisheng Kou , Shuyu Sun

This paper proposes a finite element scheme, based on the Scalar Auxiliary Variable (SAV) approach, for the Cahn-Hilliard equation--a model that possesses significant physical relevance and a rich mathematical structure. A convergence…

数值分析 · 数学 2026-02-26 Na Li , Yongchao Zhao

This paper introduces a stabilized finite element scheme for the Cahn--Hilliard cross-diffusion model, which is characterized by strongly coupled mobilities, nonlinear diffusion, and complex cross-diffusion terms. These features pose…

数值分析 · 数学 2025-05-08 Boyi Wang , Naresh Kumar , Jinyun Yuan
‹ 上一页 1 2 3 10 下一页 ›