[HTML][HTML] 力学分析中的对称性与守恒律分析方法研究进展

邱志平, 邱宇, 张培宣 - 力学进展, 2024 - lxjz.cstam.org.cn
本文综述了力学分析中对称性与守恒律的研究进展. 首先, 介绍了连续系统中的Lie 群对称性,
包括微分方程和偏微分方程的Lie 群对称性, 泛函的Lie 群对称性及其守恒律 …

Lie symmetry analysis and conservation laws with soliton solutions to a nonlinear model related to chains of atoms

STR Rizvi, AR Seadawy, A Bashir, Nimra - Optical and Quantum …, 2023 - Springer
We present the Lie symmetry analysis for the famous nonlinear equation describing chains
of atoms with long range interaction. We also study the conservation laws by computing the …

Symmetry analysis for the 2D aw-rascle traffic-flow model of multi-lane motorways in the Euler and Lagrange variables

A Paliathanasis - Symmetry, 2023 - mdpi.com
A detailed symmetry analysis is performed for a microscopic model used to describe traffic
flow in two-lane motorways. The traffic flow theory employed in this model is a two …

A review of research advances in analytical methods for symmetry and conservation laws in mechanical analysis

QIU Zhiping, QIU Yu, Z Peixuan - 力学进展, 2024 - lxjz.cstam.org.cn
This paper reviews the research progress on symmetry and conservation laws in
mechanical analysis. It begins by introducing Lie group symmetries in continuous systems …

Lie symmetry analysis and conservation laws of the axially loaded Euler beam

L Xia, X Ge - Mathematics, 2022 - mdpi.com
By applying the Lie symmetry method, group-invariant solutions are constructed for axially
loaded Euler beams. The corresponding mathematical models of the beams are formulated …

Invariant analysis, approximate solutions, and conservation laws for the time fractional higher order Boussinesq–Burgers system

M Rahioui, EH El Kinani… - Mathematical Methods in …, 2024 - Wiley Online Library
In this paper, we employ the time fractional higher order nonlinear Boussinesq–Burgers
system to investigate shallow water waves based on the Riemann–Liouville and Caputo …

[PDF][PDF] Conservation laws and invariant solutions of time-dependent Calogero-Bogoyavlenskii-Schiff equation

Y AryaNejad, R Mirzavand - Journal of Linear and Topological …, 2022 - journals.iau.ir
This paper uses the classical Lie method to determine symmetry reductions and exact
solutions of the time-dependent Calogero-Bogoyavlenskii-Schiff equation (vCBS). This …

Lie symmetries, solitary wave solutions, and conservation laws of coupled KdV‐mKdV equation for internal gravity waves

M Kumar, S Anand, DV Tanwar - Mathematical Methods in the …, 2024 - Wiley Online Library
The propagation of nonlinear solitary and shallow water waves can be examined by
nonlinear evolution equations. The dynamics of nonlinear behavior are described by exact …

Symmetry structures and conservation laws of four-dimensional non-reductive homogeneous spaces

Y Aryanejad, M Padiz Foumani - Pramana, 2024 - Springer
We investigate variational, Lie and Killing symmetries of the Lagrangian of an essential
class of four-dimensional (pseudo-) Riemannian manifolds, ie, non-reductive homogeneous …

A Study of a Mathematical Model with a Movable Singular Point in a Fourth-Order Nonlinear Differential Equation

M Gasanov, AG Gulkanov - Russian Journal of Nonlinear Dynamics, 2023 - mathnet.ru
This article introduces a mathematical model that utilizes a nonlinear differential equation to
study a range of phenomena such as nonlinear wave processes, and beam deflections …