A conservative Fourier pseudo-spectral method for the nonlinear Schrödinger equation

Y Gong, Q Wang, Y Wang, J Cai - Journal of Computational Physics, 2017 - Elsevier
A Fourier pseudo-spectral method that conserves mass and energy is developed for a two-
dimensional nonlinear Schrödinger equation. By establishing the equivalence between the …

Early Cenozoic partial melting of meta-sedimentary rocks of the eastern Gangdese arc, southern Tibet, and its contribution to syn-collisional magmatism

YY Jiang, ZM Zhang, RM Palin, HX Ding… - GSA …, 2022 - pubs.geoscienceworld.org
Continental magmatic arcs are characterized by the accretion of voluminous mantle-derived
magmatic rocks and the growth of juvenile crust. However, significant volumes of meta …

A linearly-implicit and conservative Fourier pseudo-spectral method for the 3D Gross–Pitaevskii equation with angular momentum rotation

J Cui, W Cai, Y Wang - Computer Physics Communications, 2020 - Elsevier
In this paper, a linearly-implicit Fourier pseudo-spectral method which preserves discrete
mass and energy is developed for the time-dependent 3D Gross–Pitaevskii equation with …

A kernel-based meshless conservative Galerkin method for solving Hamiltonian wave equations

Z Sun, L Ling - SIAM Journal on Scientific Computing, 2022 - SIAM
We propose a meshless conservative Galerkin method for solving Hamiltonian wave
equations. We first discretize the equation in space using radial basis functions in a Galerkin …

Local structure-preserving algorithms for general multi-symplectic Hamiltonian PDEs

J Cai, Y Wang, C Jiang - Computer Physics Communications, 2019 - Elsevier
Many PDEs can be recast into the general multi-symplectic formulation possessing three
local conservation laws. We devote the present paper to some systematic methods, which …

Global energy preserving model reduction for multi-symplectic PDEs

M Uzunca, B Karasözen, A Aydın - Applied Mathematics and Computation, 2023 - Elsevier
Many Hamiltonian systems can be recast in multi-symplectic form. We develop a reduced-
order model (ROM) for multi-symplectic Hamiltonian partial differential equations (PDEs) that …

Linearly implicit local energy-preserving algorithm for a class of multi-symplectic Hamiltonian PDEs

J Cai, B Shen - Computational and Applied Mathematics, 2022 - Springer
We give a systematic, linearly implicit, local energy-preserving method for the general multi-
symplectic Hamiltonian system with cubic invariants by combining Kahan's discretization in …

Energy-preserving schemes for conservative PDEs based on periodic quasi-interpolation methods

Z Sun, Q Gao - Communications in Nonlinear Science and Numerical …, 2024 - Elsevier
In this paper, we present a novel energy-preserving scheme for solving time-dependent
partial differential equations with periodic solutions on non-uniform grids. The proposed …

[图书][B] Numerical Approximations of Stochastic Maxwell Equations

C Chen, J Hong, L Ji - 2023 - Springer
Since the pioneering works of Ampère, Faraday, and Maxwell in the early days,
electromagnetism has become a fascinating area of physics, engineering, and mathematics …

Hamiltonian boundary value method for the nonlinear Schrödinger equation and the Korteweg-de Vries equation

M Song, X Qian, H Zhang, S Song - Advances in Applied …, 2017 - cambridge.org
In this paper, we introduce the Hamiltonian boundary value method (HBVM) to solve
nonlinear Hamiltonian PDEs. We use the idea of Fourier pseudospectral method in spatial …