@Article{EAJAM-12-4, author = {Song, Mingzhan and Songhe, Song and Zhang, Wei and Xu, Qian}, title = {Stochastic Global Momentum-Preserving Schemes for Two-Dimensional Stochastic Partial Differential Equations}, journal = {East Asian Journal on Applied Mathematics}, year = {2022}, volume = {12}, number = {4}, pages = {912--927}, abstract = {
In this paper, the global momentum conservation laws and the global momentum evolution laws are presented for the two-dimensional stochastic nonlinear Schrödinger equation with multiplicative noise and the two-dimensional stochastic Klein-Gordon equation with additive noise, respectively. In order to preserve the global momenta or their changing trends in numerical simulation, the schemes are constructed by using a stochastic multi-symplectic formulation. It is shown that under periodic boundary conditions, the schemes have discrete global momentum conservation laws or the discrete global momentum evolution laws. Numerical experiments confirm global momentum-preserving properties of the schemes and their mean square convergence in the time direction.
}, issn = {2079-7370}, doi = {https://doi.org/10.4208/eajam.110122.040522}, url = {https://global-sci.com/article/82498/stochastic-global-momentum-preserving-schemes-for-two-dimensional-stochastic-partial-differential-equations} }