咨询与建议

限定检索结果

文献类型

  • 65 篇 期刊文献

馆藏范围

  • 65 篇 电子文献
  • 0 种 纸本馆藏

日期分布

学科分类号

  • 62 篇 理学
    • 43 篇 数学
    • 20 篇 物理学
    • 3 篇 系统科学
  • 30 篇 工学
    • 25 篇 计算机科学与技术...
    • 2 篇 控制科学与工程
    • 2 篇 软件工程
    • 1 篇 力学(可授工学、理...
    • 1 篇 光学工程
    • 1 篇 电气工程
  • 1 篇 管理学
    • 1 篇 管理科学与工程(可...

主题

  • 65 篇 structure-preser...
  • 7 篇 hamiltonian syst...
  • 6 篇 conformal symple...
  • 4 篇 conservation law
  • 4 篇 quaternion matri...
  • 4 篇 exponential time...
  • 3 篇 discrete gradien...
  • 3 篇 discrete gradien...
  • 3 篇 sine-gordon equa...
  • 3 篇 scalar auxiliary...
  • 3 篇 multi-symplectic...
  • 3 篇 energy-preservin...
  • 3 篇 fractional nonli...
  • 3 篇 schrodinger equa...
  • 2 篇 nonlinear matrix...
  • 2 篇 oscillatory syst...
  • 2 篇 exponential inte...
  • 2 篇 gradient-hamilto...
  • 2 篇 convergence
  • 2 篇 duffing equation

机构

  • 10 篇 huaiyin normal u...
  • 7 篇 univ cent florid...
  • 4 篇 nanjing normal u...
  • 4 篇 xuchang univ sch...
  • 2 篇 nanjing normal u...
  • 2 篇 department of me...
  • 2 篇 nanjing univ sta...
  • 2 篇 nanjing univ aer...
  • 2 篇 miit key lab mat...
  • 2 篇 qingdao univ sci...
  • 2 篇 nanjing univ dep...
  • 2 篇 jiangsu normal u...
  • 2 篇 natl univ kaohsi...
  • 2 篇 nanjing normal u...
  • 2 篇 jiangsu key labo...
  • 2 篇 shanghai normal ...
  • 2 篇 univ regina dept...
  • 1 篇 sichuan normal u...
  • 1 篇 sichuan normal u...
  • 1 篇 guangxi normal u...

作者

  • 10 篇 cai jiaxiang
  • 8 篇 wang yushun
  • 7 篇 moore brian e.
  • 4 篇 fu yayun
  • 4 篇 cai wenjun
  • 3 篇 hong qi
  • 3 篇 bhatt ashish
  • 2 篇 bai chuanzhi
  • 2 篇 wenjun cai
  • 2 篇 ma wenhao
  • 2 篇 lin wen-wei
  • 2 篇 li ying
  • 2 篇 shi wei
  • 2 篇 jiang chaolong
  • 2 篇 kai liu
  • 2 篇 liang hua
  • 2 篇 yayun fu
  • 2 篇 wang bin
  • 2 篇 wei shi
  • 2 篇 guo chun-hua

语言

  • 59 篇 英文
  • 6 篇 其他
检索条件"主题词=Structure-preserving algorithm"
65 条 记 录,以下是41-50 订阅
排序:
Decoupled local/global energy-preserving schemes for the N-coupled nonlinear Schrodinger equations
收藏 引用
JOURNAL OF COMPUTATIONAL PHYSICS 2018年 374卷 281-299页
作者: Cai, Jiaxiang Bai, Chuanzhi Zhang, Haihui Huaiyin Normal Univ Sch Math Sci Huaian 223300 Jiangsu Peoples R China
We develop two local energy-preserving integrators and a global energy-preserving integrator for the general multisymplectic Hamiltonian system. When applied to the 1D and multi-dimensional N-coupled nonlinear Schrodi... 详细信息
来源: 评论
A dissipation-preserving scheme for damped oscillatory Hamiltonian systems based on splitting
收藏 引用
APPLIED NUMERICAL MATHEMATICS 2021年 170卷 242-254页
作者: Liu, Kai Fu, Ting Shi, Wei Nanjing Univ Finance & Econ Coll Appl Math Nanjing 210023 Peoples R China Nanjing Tech Univ Coll Math Sci Nanjing 211816 Peoples R China
In this paper, a new dissipation-preserving scheme is established for weakly dissipative perturbations of oscillatory Hamiltonian systems. The system exhibits a nonlinear oscillatory structure. The main oscillation is... 详细信息
来源: 评论
Exponential integrators preserving local conservation laws of PDEs with time-dependent damping/driving forces
收藏 引用
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2019年 352卷 341-351页
作者: Bhatt, Ashish Moore, Brian E. Univ Stuttgart Dept Math Stuttgart Germany Univ Cent Florida Dept Math Orlando FL 32816 USA
structure-preserving algorithms for solving conservative PDEs with added linear dissipation are generalized to systems with time dependent damping/driving terms. This study is motivated by several PDE models of physic... 详细信息
来源: 评论
A structure-preserving method for the quaternion LU decomposition in quaternionic quantum theory
收藏 引用
COMPUTER PHYSICS COMMUNICATIONS 2013年 第9期184卷 2182-2186页
作者: Wang, Minghui Ma, Wenhao Qingdao Univ Sci & Technol Dept Math Qingdao 266061 Peoples R China
In this paper, for the first time, the structure-preserving Gauss transformation is defined. Then by means of its real representation matrix, we present a novel structure-preserving algorithm for the LU decomposition ... 详细信息
来源: 评论
A high-order structure-preserving difference scheme for generalized fractional Schrodinger equation with wave operator
收藏 引用
MATHEMATICS AND COMPUTERS IN SIMULATION 2023年 第1期210卷 532-546页
作者: Zhang, Xi Ran, Maohua Liu, Yang Zhang, Li Sichuan Normal Univ Sch Math Sci Chengdu 610068 Peoples R China Sichuan Normal Univ VC & VR Key Lab Chengdu 610068 Peoples R China Aba Teachers Univ Sch Math Aba 623002 Peoples R China Sichuan Normal Univ VC & VR Key Lab Sichuan Prov Chengdu 610068 Peoples R China
This paper focuses on the construction and analysis of the structure-preserving algorithm for generalized fractional Schrodinger equation with wave operator. A fourth-order energy-conserving difference scheme is devel... 详细信息
来源: 评论
Multi-conformal-symplectic PDEs and discretizations
收藏 引用
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS 2017年 323卷 1-15页
作者: Moore, Brian E. Univ Cent Florida Dept Math Orlando FL 32816 USA
Past work on integration methods that preserve a conformal symplectic structure focuses on Hamiltonian systems with weak linear damping. In this work, systems of PDEs that have conformal symplectic structure in time a... 详细信息
来源: 评论
High-order integration scheme for relativistic charged particle motion in magnetized plasmas with volume preserving properties
收藏 引用
COMPUTER PHYSICS COMMUNICATIONS 2017年 220卷 285-296页
作者: Matsuyama, Akinobu Furukawa, Masaru Natl Inst Quantum & Radiol Sci & Technol Rokkasho Aomori 0393212 Japan Tottori Univ Grad Sch Engn Tottori Tottori 6808552 Japan
A numerical algorithm for solving full gyro orbit of relativistic charged particle motion in magnetized plasmas is presented. The algorithm developed here achieves the following features simultaneously. (1) The time a... 详细信息
来源: 评论
Explicit high-order gauge-independent symplectic algorithms for relativistic charged particle dynamics
收藏 引用
COMPUTER PHYSICS COMMUNICATIONS 2019年 第0期241卷 19-27页
作者: Xiao, Jianyuan Qin, Hong Univ Sci & Technol China Dept Engn & Appl Phys Hefei 230026 Anhui Peoples R China Princeton Univ Plasma Phys Lab Princeton NJ 08543 USA
Symplectic schemes are powerful methods for numerically integrating Hamiltonian systems, and their long-term accuracy and fidelity have been proved both theoretically and numerically. However direct applications of st... 详细信息
来源: 评论
Conformal conservation laws and geometric integration for damped Hamiltonian PDEs
收藏 引用
JOURNAL OF COMPUTATIONAL PHYSICS 2013年 第1期232卷 214-233页
作者: Moore, Brian E. Norena, Laura Schober, Constance M. Univ Cent Florida Dept Math Orlando FL 32816 USA
Conformal conservation laws are defined and derived for a class of multi-symplectic equations with added dissipation. In particular, the conservation laws of energy and momentum are considered, along with those that a... 详细信息
来源: 评论
Second Order Conformal Symplectic Schemes for Damped Hamiltonian Systems
收藏 引用
JOURNAL OF SCIENTIFIC COMPUTING 2016年 第3期66卷 1234-1259页
作者: Bhatt, Ashish Floyd, Dwayne Moore, Brian E. Univ Cent Florida Dept Math Orlando FL 32816 USA
Numerical methods for solving linearly damped Hamiltonian systems are constructed using the popular Stormer-Verlet and implicit midpoint methods. Each method is shown to preserve dissipation of symplecticity and dissi... 详细信息
来源: 评论