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相关论文: Sharp-interface approach for simulating solid-stat…

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The problem of simulating solid-state dewetting of thin films in three dimensions (3D) by using a sharp-interface approach is considered in this paper. Based on the thermodynamic variation, a speed method is used for calculating the first…

软凝聚态物质 · 物理学 2020-03-03 Wei Jiang , Quan Zhao , Weizhu Bao

We propose a sharp-interface model for solid-state dewetting of thin films with wetting potential, where the wetting effect is incorporated through a thickness-dependent surface energy. The model is governed by surface diffusion together…

数值分析 · 数学 2026-04-29 Weijie Huang , Xinran Ruan

We develop a sharp-interface model for solid-state dewetting of double-bubble thin films using an energy variational approach based on a newly proposed interfacial energy. This model characterizes the dynamic evolution of interfaces in…

数值分析 · 数学 2025-03-06 Meng Li , Nan Wang , Ruofan Zhao , Chunjie Zhou

Based on the thermodynamic variation, we rigorously derive the sharp-interface model for solid-state dewetting on a flat substrate in the form of cylindrical symmetry. The governing equations for the model belong to fourth-order geometric…

材料科学 · 物理学 2018-05-22 Quan Zhao

We propose an accurate and energy-stable parametric finite element method for solving the sharp-interface continuum model of solid-state dewetting in three-dimensional space. The model describes the motion of the film\slash vapor interface…

数值分析 · 数学 2023-07-04 Weizhu Bao , Quan Zhao

We propose a sharp interface model for simulating solid-state dewetting where the surface energy is (weakly) anisotropic. The morphology evolution of thin films is governed by surface diffusion and contact line migration. The mathematical…

材料科学 · 物理学 2015-06-22 Yan Wang , Wei Jiang , Weizhu Bao , Dave J. Srolovitz

Based on the thermodynamic variation to the free energy functional, we propose a sharp-interface model for simulating solid-state dewetting of thin films on rigid curved substrates in two dimensions. This model describes the interface…

材料科学 · 物理学 2018-11-14 Wei Jiang , Yan Wang , David J. Srolovitz , Weizhu Bao

We propose an efficient and accurate parametric finite element method (PFEM) for solving sharp-interface continuum models for solid-state dewetting of thin films with anisotropic surface energies. The governing equations of the…

数值分析 · 数学 2017-01-10 Weizhu Bao , Wei Jiang , Yan Wang , Quan Zhao

We present a diffuse-interface model for the solid-state dewetting problem with anisotropic surface energies in ${\mathbb R}^d$ for $d\in\{2,3\}$. The introduced model consists of the anisotropic Cahn--Hilliard equation, with either a…

偏微分方程分析 · 数学 2023-02-15 Harald Garcke , Patrik Knopf , Robert Nürnberg , Quan Zhao

We propose a parametric finite element method (PFEM) for efficiently solving the morphological evolution of solid-state dewetting of thin films on a flat rigid substrate in three dimensions (3D). The interface evolution of the dewetting…

计算物理 · 物理学 2020-03-03 Quan Zhao , Wei Jiang , Weizhu Bao

This paper addresses a two-dimensional sharp interface variational model for solid-state dewetting of thin films with surface energies, introduced by Wang, Jiang, Bao, and Srolovitz in \cite{jiang2016solid}. Using the $H^{-1}$-gradient flow…

偏微分方程分析 · 数学 2024-12-16 Gianni Dal Maso , Irene Fonseca , Giovanni Leoni

We consider a two-dimensional sharp-interface model for solid-state dewetting of thin films with anisotropic surface energies on curved substrates, where the film/vapor interface and substrate surface are represented by an evolving and a…

数值分析 · 数学 2024-10-02 Weizhu Bao , Yifei Li , Quan Zhao

In this work, we consider the solid-state dewetting of an axisymmetric thin film on a curved-surface substrate, with the assumption that the substrate morphology is also axisymmetric. Under the assumptions of axisymmetry, the surface…

数值分析 · 数学 2025-01-03 Zhenghua Duan , Meng Li , Chunjie Zhou

We propose an energy-stable parametric finite element method (ES-PFEM) for simulating solid-state dewetting of thin films in two dimensions via a sharp-interface model, which is governed by surface diffusion and contact line (point)…

数值分析 · 数学 2020-06-08 Quan Zhao , Wei Jiang , Weizhu Bao

In this work, we consider the three-dimensional solid-state dewetting with strongly anisotropic surface energy, assuming an axisymmetric morphology of the thin film. However, when surface energy exhibits strong anisotropy, certain…

数值分析 · 数学 2025-01-09 Meng Li , Chunjie Zhou

Solid-state dewetting (SSD), a widespread phenomenon in solid-solid-vapor system, could be used to describe the accumulation of solid thin films on the substrate. In this work, we consider the sharp interface model for axisymmetric SSD with…

数值分析 · 数学 2024-05-28 Meng Li , Chunjie Zhou

We propose a sharp-interface continuum model based on a thermodynamic variational approach to investigate the strong anisotropic effect on solid-state dewetting including contact line dynamics. For sufficiently strong surface energy…

材料科学 · 物理学 2017-01-10 Wei Jiang , Yan Wang , Quan Zhao , David J. Srolovitz , Weizhu Bao

We propose a class of temporally high-order parametric finite element methods for simulating solid-state dewetting of thin films in two dimensions using a sharp-interface model. The process is governed by surface diffusion and contact point…

数值分析 · 数学 2025-10-21 Xiaowen Gan , Yuqian Teng , Sisheng Wang

We propose in this paper a new multiphase Cahn-Hilliard model with doubly degenerate mobilities. We prove by a formal asymptotic analysis that it approximates with second order accuracy the multiphase surface diffusion flow with mobility…

数值分析 · 数学 2023-04-19 Elie Bretin , Roland Denis , Simon Masnou , Arnaud Sengers , Garry Terii

The Ohta-Kawasaki model for diblock-copolymers is well known to the scientific community of diffuse-interface methods. To accurately capture the long-time evolution of the moving interfaces, we present a derivation of the corresponding…

数值分析 · 数学 2024-03-11 Amlan K. Barua , Ray Chew , Shuwang Li , John Lowengrub , Andreas Münch , Barbara Wagner
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