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检索条件"机构=Hunan Key Lab for Computation and Simulation in Science and Engineering"
335 条 记 录,以下是281-290 订阅
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A directed continuous time random walk model with jump length depending on waiting time
The Scientific World Journal
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The Scientific World Journal 2014年 第1期2014卷 182508页
作者: Shi, Long Yu, Zuguo Mao, Zhi Xiao, Aiguo Hunan Key Laboratory for Computation and Simulation in Science and Engineering Key Laboratory of Intelligent Computing and Information Processing of Ministry of Education Xiangtan University Xiangtan Hunan 411105 China Institute of Mathematics and Physics Central South University of Forest and Technology Changsha Hunan 410004 China School of Mathematical Sciences Queensland University of Technology Brisbane QLD 4001 G.P.O. Box 2434 Australia
In continuum one-dimensional space, a coupled directed continuous time random walk model is proposed, where the random walker jumps toward one direction and the waiting time between jumps affects the subsequent jump. ...
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Supercloseness of the Divergence-Free Finite Element Solutions on Rectangular Grids
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Communications in Mathematics and Statistics 2013年 第2期1卷 143-162页
作者: Yunqing Huang Shangyou Zhang Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan UniversityXiangtan 411105China Department of Mathematical Sciences University of DelawareNewarkDE 19716USA
By the standard theory,the stable Qk+1,k−Qk,k+1/Qdck divergence-free element converges with the optimal order of approximation for the Stokes equations,but only order k for the velocity in H1-norm and the pressure in... 详细信息
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Multifractal analyses of daily rainfall time series in Pearl River basin of China
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Physica A: Statistical Mechanics and its Applications 2014年 405卷 193-202页
作者: Zu-Guo Yu Yee Leung Yongqin David Chen Qiang Zhang Vo Anh Yu Zhou Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan Hunan 411105 China Key Laboratory of Intelligent Computing and Information Processing of Ministry of Education Xiangtan University Xiangtan Hunan 411105 China School of Mathematical Sciences Queensland University of Technology GPO Box 2434 Brisbane Q4001 Australia Department of Geography and Resource Management The Chinese University of Hong Kong Hong Kong China Institute of Environment Energy and Sustainability The Chinese University of Hong Kong Hong Kong China Department of Water Resources and Environment Sun Yat-sen University Guangzhou 510275 China Key Laboratory of Water Cycle and Water Security in Southern China of Guangdong High Education Institute Sun Yat-sen University Guangzhou 510275 China
The multifractal properties of daily rainfall time series at the stations in Pearl River basin of China over periods of up to 45 years are examined using the universal multifractal approach based on the multiplicative... 详细信息
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Parametric symplectic partitioned Runge–Kutta methods with energy-preserving properties for Hamiltonian systems
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Computer Physics Communications 2013年 第2期184卷 303-310页
作者: Dongling Wang Aiguo Xiao Xueyang Li School of Mathematics and Computational Science Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan Hunan 411105 PR China
Based on W -transformation, some parametric symplectic partitioned Runge–Kutta (PRK) methods depending on a real parameter α are developed. For α = 0 , the corresponding methods become the usual PRK methods, includ...
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Solving a Nonlinear Multi-Order Fractional Differential Equation Using Legendre Pseudo-Spectral Method
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Applied Mathematics 2013年 第1期4卷 113-118页
作者: Yin Yang College of Civil Engineering and Mechanics Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan China
In this paper, we apply the Legendre spectral-collocation method to obtain approximate solutions of nonlinear multi-order fractional differential equations (M-FDEs). The fractional derivative is described in the Caput... 详细信息
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The improved Hagedorn wavepacket method for semiclassical Schrödinger equation
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International Journal of Modeling, simulation, and Scientific Computing 2014年 第4期5卷
作者: Xueyang Li Aiguo Xiao Hunan Key Laboratory for Computation and Simulation in Science and Engineering Key Laboratory of Intelligent Computing and Information Processing of Ministry of Education Xiangtan University Xiangtan Hunan P. R. China
The Hagedorn wavepacket method is an important numerical method for solving the semiclassical time-dependent Schrödinger equation. In this paper, a new semi-discretization in space is obtained by wavepacket opera... 详细信息
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Fractional variational integrators for fractional Euler–Lagrange equations with holonomic constraints
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Communications in Nonlinear science and Numerical simulation 2013年 第4期18卷 905-914页
作者: Dongling Wang Aiguo Xiao School of Mathematics and Computational Science Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan University Xiangtan Hunan 411105 PR China
In this paper, the fractional variational integrators developed by Wang and Xiao (2012) [28] are extended to the fractional Euler–Lagrange (E–L) equations with holonomic constraints. The corresponding fractional dis... 详细信息
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Anisotropic mesh generation methods based on ACVT and natural metric for anisotropic elliptic equation
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science CHINA Mathematics 2013年 第12期56卷 2615-2630页
作者: HUANG YunQing SU YiFan WEI HuaYi YI NianYu Hunan Key Laboratory for Computation and Simulation in Science and Engineering School of Mathematics and Computational Science Xiangtan University Xiangtan 411105 China
Anisotropic meshes are known to be well-suited for problems which exhibit anisotropic solution features. Defining an appropriate metric tensor and designing an efficient algorithm for anisotropic mesh generation are t... 详细信息
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Superconvergence for General Convex Optimal Control Problems Governed by Semilinear Parabolic Equations
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International Scholarly Research Notices 2014年 第1期2014卷
作者: Yongquan Dai Yanping Chen Hunan Key Laboratory for Computation and Simulation in Science and Engineering Department of Mathematics Xiangtan University Xiangtan Hunan 411105 *** School of Mathematical Sciences South China Normal University Guangzhou Guangdong 510631 ***
We will investigate the superconvergence for the semidiscrete finite element approximation of distributed convex optimal control problems governed by semilinear parabolic equations. The state and costate are approxima...
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Finite Element Analysis of Maxwell’s Equations in Dispersive Lossy Bi-Isotropic Media
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Advances in Applied Mathematics and Mechanics 2013年 第4期5卷 494-509页
作者: Yunqing Huang Jichun Li Yanping Lin Hunan Key Laboratory for Computation and Simulation in Science and Engineering Xiangtan UniversityHunan 411105China Department of Mathematical Sciences University of Nevada Las VegasLas VegasNevada 89154-4020USA Department of AppliedMathematics Hong Kong Polytechnic UniversityHung HomHong Kongand Department of Mathematical and Statistics ScienceUniversity of AlbertaEdmonton ABAlberta T6G 2G1Canada
In this paper,the time-dependent Maxwell’s equations used to modeling wave propagation in dispersive lossy bi-isotropic media are *** and uniqueness of the modeling equations are *** fully discrete finite element sch... 详细信息
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