中文
相关论文

相关论文: Numerical approximation of the invariant distribut…

200 篇论文

In order to inherit numerically the ergodicity of the damped stochastic nonlinear Schr\"odinger equation with additive noise, we propose a fully discrete scheme, whose spatial direction is based on spectral Galerkin method and temporal…

数值分析 · 数学 2016-06-07 Chuchu Chen , Jialin Hong , Xu Wang

We discrete the ergodic semilinear stochastic partial differential equations in space dimension $d \leq 3$ with additive noise, spatially by a spectral Galerkin method and temporally by an exponential Euler scheme. It is shown that both the…

数值分析 · 数学 2020-06-16 Ziheng Chen , Siqing Gan , Xiaojie Wang

In this paper the numerical solution of non-autonomous semilinear stochastic evolution equations driven by an additive Wiener noise is investigated. We introduce a novel fully discrete numerical approximation that combines a standard…

数值分析 · 数学 2019-07-01 Raphael Kruse , Yue Wu

The semilinear stochastic wave equation on the sphere driven by multiplicative Gaussian noise is discretized by a stochastic trigonometric integrator in time and a spectral Galerkin approximation in space based on the spherical harmonic…

数值分析 · 数学 2026-02-03 David Cohen , Stefano Di Giovacchino , Annika Lang

Novel fully discrete schemes are developed to numerically approximate a semilinear stochastic wave equation driven by additive space-time white noise. Spectral Galerkin method is proposed for the spatial discretization, and exponential time…

数值分析 · 数学 2020-08-10 Xiaojie Wang , Siqing Gan , Jingtian Tang

This paper is concerned with the strong approximation of a semi-linear stochastic wave equation with strong damping, driven by additive noise. Based on a spatial discretization performed by a spectral Galerkin method, we introduce a kind of…

数值分析 · 数学 2020-08-10 Ruisheng Qi , Xiaojie Wang

An approximation to the solution of a stochastic parabolic equation is constructed using the Galerkin approximation followed by the Wiener Chaos decomposition. The result is applied to the nonlinear filtering problem for the time…

概率论 · 数学 2007-06-13 Sergey V. Lototsky

Numerical methods for the Euler equations with a singular source are discussed in this paper. The stationary discontinuity induced by the singular source and its coupling with the convection of fluid presents challenges to numerical…

数值分析 · 数学 2022-03-14 Changsheng Yu , Tiegang Liu , Chengliang Feng

In this paper, we consider a semi-linear stochastic strongly damped wave equation driven by additive Gaussian noise. Following a semigroup framework, we establish existence, uniqueness and space-time regularity of a mild solution to such…

数值分析 · 数学 2020-08-10 Ruisheng Qi , Xiaojie Wang

We establish a general theory of optimal strong error estimation for numerical approximations of a second-order parabolic stochastic partial differential equation with monotone drift driven by a multiplicative infinite-dimensional Wiener…

数值分析 · 数学 2022-03-02 Zhihui Liu , Zhonghua Qiao

In recent years, stochastic effects have become increasingly relevant for describing fluid behaviour, particularly in the context of turbulence. The most important model for inviscid fluids in computational fluid dynamics are the Euler…

数值分析 · 数学 2024-12-11 Dominic Breit , Thamsanqa Castern Moyo , Philipp Öffner

We consider the semilinear stochastic heat equation perturbed by additive noise. After time-discretization by Euler's method the equation is split into a linear stochastic equation and a non-linear random evolution equation. The linear…

数值分析 · 数学 2014-03-14 M. Kovács , S. Larsson , K. Urban

We consider the long-time behavior of an explicit tamed Euler scheme applied to a class of stochastic differential equations driven by additive noise, under a one-sided Lipschitz continuity condition. The setting encompasses drift…

数值分析 · 数学 2020-10-02 Charles-Edouard Bréhier

We propose a modification of the standard linear implicit Euler integrator for the weak approximation of parabolic semilinear stochastic PDEs driven by additive space-time white noise. The new method can easily be combined with a finite…

数值分析 · 数学 2022-03-22 Charles-Edouard Bréhier

We consider Galerkin finite element methods for semilinear stochastic partial differential equations (SPDEs) with multiplicative noise and Lipschitz continuous nonlinearities. We analyze the strong error of convergence for spatially…

数值分析 · 数学 2014-11-26 Raphael Kruse

The paper establishes the strong convergence rates of a spatio-temporal full discretization of the stochastic wave equation with nonlinear damping in dimension one and two. We discretize the SPDE by applying a spectral Galerkin method in…

数值分析 · 数学 2024-12-30 Meng Cai , David Cohen , Xiaojie Wang

We consider the long-time behavior of an explicit tamed exponential Euler scheme applied to a class of parabolic semilinear stochastic partial differential equations driven by additive noise, under a one-sided Lipschitz continuity…

数值分析 · 数学 2020-10-02 Charles-Edouard Bréhier

Wave propagation problems have many applications in physics and engineering, and the stochastic effects are important in accurately modeling them due to the uncertainty of the media. This paper considers and analyzes a fully discrete finite…

数值分析 · 数学 2021-06-30 Yukun Li , Shuonan Wu , Yulong Xing

In this paper, we present an energy-preserving exponentially integrable numerical method for stochastic wave equation with cubic nonlinearity and additive noise. We first apply the spectral Galerkin method to discretizing the original…

数值分析 · 数学 2021-04-14 Jianbo Cui , Jialin Hong , Lihai Ji , Liying Sun

We develop and analyze a numerical method for stochastic time-fractional diffusion driven by additive fractionally integrated Gaussian noise. The model involves two nonlocal terms in time, i.e., a Caputo fractional derivative of order…

数值分析 · 数学 2018-10-04 Bangti Jin , Yubin Yan , Zhi Zhou
‹ 上一页 1 2 3 10 下一页 ›