Two classes of linearly implicit local energy-preserving approach for general multi-symplectic Hamiltonian PDEs

J Cai, J Shen - Journal of Computational Physics, 2020 - Elsevier
Two classes of efficient and robust schemes are proposed for the general multi-symplectic
Hamiltonian systems using the invariant energy quadratization (IEQ) approach. The …

Control of dark and anti-dark solitons in the (2+ 1)-dimensional coupled nonlinear Schrödinger equations with perturbed dispersion and nonlinearity in a nonlinear …

W Yu, W Liu, H Triki, Q Zhou, A Biswas, MR Belić - Nonlinear Dynamics, 2019 - Springer
In this paper, we investigate the (2+ 1)-dimensional coupled nonlinear Schrödinger
equations with perturbed dispersion and nonlinearity, which govern the transverse effects in …

An efficient dissipation–preserving Legendre–Galerkin spectral method for the Higgs boson equation in the de Sitter spacetime universe

MA Zaky, AS Hendy - Applied Numerical Mathematics, 2021 - Elsevier
Since the emergence of numerical methods in mathematical modeling, fundamental
properties such as convergence, efficiency, computational accuracy, and stability have been …

[HTML][HTML] Efficient schemes for the damped nonlinear Schrödinger equation in high dimensions

J Cai, H Zhang - Applied Mathematics Letters, 2020 - Elsevier
Temporal second-and high-order efficient one-step schemes are proposed for the damped
nonlinear Schrödinger equation in high dimensions by combining the integrating factor …

Compact Exponential Conservative Approaches for the Schrödinger Equation in the Semiclassical Regimes

J Cai, H Liang - SIAM Journal on Scientific Computing, 2022 - SIAM
In this paper we propose several efficient conservative prediction-correction methods for
studying the Schrödinger equation in the semiclassical regimes with small parameter ε. In …

[HTML][HTML] Efficient mass-and energy-preserving schemes for the coupled nonlinear Schrödinger–Boussinesq system

J Cai, B Yang, C Zhang - Applied Mathematics Letters, 2019 - Elsevier
Efficient, mass-and energy-preserving schemes are developed for the multi-dimensional
coupled nonlinear Schrödinger–Boussinesq system. In the scheme, the solution u n+ 1 is …

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 …

Stochastic conformal schemes for damped stochastic Klein-Gordon equation with additive noise

M Song, X Qian, T Shen, S Song - Journal of Computational Physics, 2020 - Elsevier
In this article, stochastic conformal schemes of the damped stochastic Klein-Gordon
equation with additive noise are studied. It is shown that this equation possesses the …

Spatiotemporally modulated similaritons and composite waves in inhomogeneous system

K Huo, J Chen, H Jia, R Yang - Nonlinear Dynamics, 2024 - Springer
General and refined spatiotemporal similariton solutions are presented by introducing
arbitrary real temporal and spatial modulation functions that construct flexible and …

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 …