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Strong approximation errors of both finite element semi-discretization and spatio-temporal full discretization are analyzed for the stochastic Allen-Cahn equation driven by additive noise in space dimension $d \leq 3$. The full…

数值分析 · 数学 2020-08-04 Ruisheng Qi , Xiaojie Wang

We consider the stochastic Allen--Cahn equation perturbed by smooth additive Gaussian noise in a spatial domain with smooth boundary in dimension $d\le 3$, and study the semidiscretisation in time of the equation by an Euler type split-step…

数值分析 · 数学 2018-04-27 Mihály Kovács , Stig Larsson , Fredrik Lindgren

We establish an optimal strong convergence rate of a fully discrete numerical scheme for second order parabolic stochastic partial differential equations with monotone drifts, including the stochastic Allen-Cahn equation, driven by an…

数值分析 · 数学 2020-05-21 Zhihui Liu , Zhonghua Qiao

We consider the stochastic Allen-Cahn equation perturbed by smooth additive Gaussian noise in a spatial domain with smooth boundary in dimension $d\le 3$, and study the semidiscretization in time of the equation by an implicit Euler method.…

数值分析 · 数学 2015-08-07 Mihály Kovács , Stig Larsson , Fredrik Lindgren

In this article, we develop and analyze a full discretization, based on the spatial spectral Galerkin method and the temporal drift implicit Euler scheme, for the stochastic Cahn--Hilliard equation driven by multiplicative space-time white…

数值分析 · 数学 2020-06-22 Jianbo Cui , Jialin Hong

This paper investigates the pathwise uniform convergence in probability of fully discrete finite-element approximations for the two-dimensional stochastic Navier-Stokes equations with multiplicative noise, subject to no-slip boundary…

数值分析 · 数学 2025-02-11 Binjie Li , Xiaoping Xie , Qin Zhou

We consider the stochastic Cahn-Hilliard equation driven by additive Gaussian noise in a convex domain with polygonal boundary in dimension $d\le 3$. We discretize the equation using a standard finite element method in space and a fully…

数值分析 · 数学 2018-05-04 Daisuke Furihata , Mihály Kovács , Stig Larsson , Fredrik Lindgren

This paper studies the convergence of a spatial semidiscretization of a three-dimensional stochastic Allen-Cahn equation with multiplicative noise. For non-smooth initial data, the regularity of the mild solution is investigated, and an…

数值分析 · 数学 2025-07-25 Qin Zhou , Binjie Li

We investigate the numerical approximation of the stochastic Allen--Cahn equation with multiplicative noise on a periodic domain. The considered scheme uses a recently proposed augmented variant of scalar auxiliary variable method for the…

数值分析 · 数学 2025-06-27 Stefan Metzger

This article analyzes an explicit temporal splitting numerical scheme for the stochastic Allen-Cahn equation driven by additive noise, in a bounded spatial domain with smooth boundary in dimension $d\le 3$. The splitting strategy is…

概率论 · 数学 2018-04-03 Charles-Edouard Bréhier , Jianbo Cui , Jialin Hong

In this paper, we propose and analyze an explicit time-stepping scheme for a spatial discretization of stochastic Cahn--Hilliard equation with additive noise. The fully discrete approximation combines a spectral Galerkin method in space…

数值分析 · 数学 2023-08-31 Meng Cai , Ruisheng Qi , Xiaojie Wang

We address the numerical discretization of the Allen-Cahn prob- lem with additive white noise in one-dimensional space. The discretization is conducted in two stages: (1) regularize the white noise and study the regularized problem, (2)…

数值分析 · 数学 2013-09-20 Markos A. Katsoulakis , Georgios T. Kossioris , Omar Lakkis

In Becker and Jentzen (2019) and Becker et al. (2017), an explicit temporal semi-discretization scheme and a space-time full-discretization scheme were, respectively, introduced and analyzed for the additive noise-driven stochastic…

数值分析 · 数学 2020-10-07 Xiaojie Wang

This paper studies finite element approximations of the stochastic Allen-Cahn equation with gradient-type multiplicative noises that are white in time and correlated in space. The sharp interface limit as the parameter $\epsilon \rightarrow…

数值分析 · 数学 2015-05-18 Xiaobing Feng , Yukun Li , Yi Zhang

We introduce and analyze an explicit time discretization scheme for the one-dimensional stochastic Allen-Cahn, driven by space-time white noise. The scheme is based on a splitting strategy, and uses the exact solution for the nonlinear term…

数值分析 · 数学 2019-10-21 Charles-Edouard Bréhier , Ludovic Goudenège

In this paper we construct space-time full discretizations of stochastic Allen-Cahn equations driven by space-time white noise on 2D torus. The approximations are implemented by tamed exponential Euler discretization in time and spectral…

概率论 · 数学 2024-06-07 Ting Ma , Lifei Wang , Huanyu Yang

This paper aims to investigate the numerical approximation of a general second order parabolic stochastic partial differential equation(SPDE) driven by multiplicative and additive noise. Our main interest is on such SPDEs where the…

数值分析 · 数学 2020-11-19 Jean Daniel Mukam , Antoine Tambue

In this paper we propose an explicit fully discrete scheme to numerically solve the stochastic Allen-Cahn equation. The spatial discretization is done by a spectral Galerkin method, followed by the temporal discretization by a tamed…

数值分析 · 数学 2026-04-22 Yibo Wang , Wanrong Cao

We discretize the stochastic Allen-Cahn equation with additive noise by means of a spectral Galerkin method in space and a tamed version of the exponential Euler method in time. The resulting error bounds are analyzed for the…

数值分析 · 数学 2021-01-20 Meng Cai , Siqing Gan , Xiaojie Wang

The stochastic Allen-Cahn equation with multiplicative noise involves the nonlinear drift operator ${\mathscr A}(x) = \Delta x - \bigl(\vert x\vert^2 -1\bigr)x$. We use the fact that ${\mathscr A}(x) = -{\mathcal J}^{\prime}(x)$ satisfies a…

偏微分方程分析 · 数学 2017-08-11 Ananta K. Majee , Andreas Prohl
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