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检索条件"主题词=symplectic algorithm"
51 条 记 录,以下是1-10 订阅
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A quasi-dynamic model and a symplectic algorithm of super slender Kirchhoff rod
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International Journal of Modeling, Simulation, and Scientific Computing 2017年 第3期8卷 285-295页
作者: Dandan Yang Jianfei Huang Weijia Zhao School of Mathematical Science Huaiyin Normal University Jiangsu Huaian 223300 P.R.China College of Mathematical Sciences Yangzhou University Yangzhou 225002P.R.China College of Mathematics Qingdao University Qingdao 266071P.R.China
Recently the Kirchhoff rod and the methods of dynamical analogue have been widely used in modeling *** features of a DNA such as its super slender and super large deformation raise new challenges in modeling and numer... 详细信息
来源: 评论
Plasma photonic crystals numerical and filter characteristics analysis based on symplectic algorithm
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OPTIK 2014年 第17期125卷 4762-4765页
作者: Yang, Hong Wei Yang, Ze kun Liu, Han Bin Wang, Guang Nanjing Agr Univ Dept Phys Nanjing 210095 Jiangsu Peoples R China Xidian Univ Sch Comp Sci & Technol Xian 710071 Peoples R China Univ Elect Sci & Technol China Dept Comp Chengdu 611731 Peoples R China Southeast Univ State Key Lab Millimeter Waves Nanjing 210096 Jiangsu Peoples R China
From the Maxwell equation, the method of symplectic finite-difference time-domain is applied in analyzing one-dimensional plasma photonic crystal. The propagation process of electromagnetic pulse in one-dimensional va... 详细信息
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A symplectic homotopy perturbation method for random structural dynamics response analysis based on Birkhoffian systems
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STRUCTURES 2023年 47卷 1668-1679页
作者: Qiu, Zhiping Zhu, Bo Beihang Univ Inst Solid Mech Sch Aeronaut Sci & Engn Beijing 100083 Peoples R China
With the enhancement of the engineering structure complexity, numerical computation plays a prominent role in structural dynamics analysis. In theory, general mechanical systems can be transformed into Birkhoffian for... 详细信息
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A symplectic conservative perturbation series expansion method for nonlinear Hamiltonian equations with perturbation terms
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STRUCTURES 2023年 52卷 312-319页
作者: Zheng, Yuning Sci & Technol Space Phys Lab Beijing 100076 Peoples R China
A novel numerical method is proposed to solve the nonlinear Hamiltonian equation with consideration of perturbation terms in this study. Firstly, the original nonlinear Hamiltonian equation is formulated in the formal... 详细信息
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A symplectic homotopy perturbation method for stochastic and interval Hamiltonian systems and its applications in structural dynamic systems
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COMPUTATIONAL & APPLIED MATHEMATICS 2022年 第8期41卷 1-30页
作者: Qiu, Zhiping Jiang, Nan Beihang Univ Sch Aeronaut Sci & Engn Inst Solid Mech Beijing 100083 Peoples R China
This paper presents a symplectic homotopy perturbation method for Hamiltonian systems with uncertainties. The effects of uncertainties cannot be ignored, but the research on symplectic algorithms of Hamiltonian system... 详细信息
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Chaotic dynamics analysis of double inverted pendulum with large swing angle based on Hamiltonian function
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NONLINEAR DYNAMICS 2022年 第4期108卷 4373-4384页
作者: He, Jingxiu Cui, Li Sun, Jingru Huang, Pan Huang, Yuan Hunan Univ Sci & Technol Xiangtan 411201 Hunan Peoples R China Hunan Univ Coll Comp Sci & Elect Engineer Changsha 410082 Peoples R China
In this paper, the chaotic dynamics of double inverted pendulum with big swing angle is studied based on the Hamiltonian canonical equation. At the same time, since Hamiltonian system has the property of symplectic ge... 详细信息
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Explicit structure-preserving geometric particle-in-cell algorithm in curvilinear orthogonal coordinate systems and its applications to whole-device 6D kinetic simulations of tokamak physics
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Plasma Science and Technology 2021年 第5期23卷 18-41页
作者: Jianyuan XIAO Hong QIN School of Nuclear Science and Technology University of Science and Technology of ChinaHefei 230026People's Republic of China Plasma Physics Laboratory Princeton UniversityPrincetonNJ 08543United States of America
Explicit structure-preserving geometric particle-in-cell(PIC)algorithm in curvilinear orthogonal coordinate systems is *** work reported represents a further development of the structure-preserving geometric PIC algor... 详细信息
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Large Deformation Dynamic Analysis of a Cable System by a New Hamiltonian Finite Element Method
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INTERNATIONAL JOURNAL OF APPLIED MECHANICS 2021年 第6期13卷
作者: Ding, Huaiping Yin, Xiaochun Wang, Qiao Zhu, Zheng H. Nanjing Univ Sci & Technol Dept Mech & Engn Sci 200 Xiaolingwei St Nanjing 210094 Peoples R China Inner Mongolia North Heavy Ind Grp Co Ltd Inst Equipment Res 3 Binggong Rd Baotou 014030 Inner Mongolia Peoples R China York Univ Dept Mech Engn Toronto ON M3J 1P3 Canada
This paper develops a new Hamiltonian nodal position finite element method for dynamic analysis of spatial flexible cable systems with large deformation. The dynamic governing equation is derived from finite elasticit... 详细信息
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symplectic Radial Basis Approximation of Multi-variate Hamiltonian PDEs
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IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE 2019年 第A4期43卷 1789-1797页
作者: Zhang, Shengliang Nanjing Forestry Univ Coll Econ & Management Nanjing Jiangsu Peoples R China
A meshless symplectic algorithm for multi-dimensional linear Hamiltonian partial differential equations with radial basis interpolation has been suggested when the solving domain is Rd. In this study, for sake of appl... 详细信息
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Maslov Asymptotic Theory and symplectic algorithm
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Chinese Journal of Geophysics 2013年 第4期43卷 556-567页
作者: MengZhao QIN JinxBo CHEN
In order to overcome the caustic problem in seismic tomography, we systematically study the Maslov asymptotic theory and symplectic algorithm. A numerical method for evaluating Maslov wave field, which is based on sym... 详细信息
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