TIME-SPLITTING

作品数：10被引量：4H指数：1
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相关领域：理学天文地球更多>>
相关作者：王汉权更多>>
相关机构：云南财经大学更多>>
相关期刊：《Communications in Computational Physics》《International Journal of Sediment Research》《Journal of Computational Mathematics》《Communications in Theoretical Physics》更多>>
相关基金：国家自然科学基金湖北省自然科学基金国家重点基础研究发展计划国家高技术研究发展计划更多>>
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Effect of non-equilibrium parameters on the numerical modeling of settling basins
《International Journal of Sediment Research》2024年第5期761-773,共13页Maryam Teymouri Yeganeh Mohammad Mehdi Heidari Rasool Ghobadian 
Settling basins are one of the structures required for removing excess sediment entering irrigation or power canals diverting water from a river.A numerical model is needed to simulate the flow and sedimentation patte...
关键词：Depth-averaged model Finite volume method Time-splitting scheme Settling velocity 
Numerical Integrators for Dispersion-Managed KdV Equation
《Communications in Computational Physics》2022年第4期1180-1214,共35页Ying He Xiaofei Zhao 
supported by the National Key Research and Development Program of China(No.2020YFA0714200);the Natural Science Foundation of Hubei Province No.2019CFA007,the NSFC 11901440。
In this paper,we consider the numerics of the dispersion-managed Kortewegde Vries(DM-KdV)equation for describingwave propagations in inhomogeneous media.The DM-KdV equation contains a variable dispersion map with disc...
关键词：KdV equation dispersion management discontinuous coefficient convergence order finite difference TIME-SPLITTING exponential integrator pseudospectral method 
Theoretical analysis and numerical simulation of acoustic waves in gas hydrate-bearing sediments被引量：1
《Chinese Physics B》2021年第2期344-354,共11页Lin Liu Xiu-Mei Zhang Xiu-Ming Wang 
Project supported by the National Natural Science Foundation of China(Grant Nos.11974018 and 11734017);the Strategic Pilot and Technology Special Fund of the Chinese Academy of Sciences,China(Grant No.XDA14020303)。
Based on Carcione-Leclaire model,the time-splitting high-order staggered-grid finite-difference algorithm is proposed and constructed for understanding wave propagation mechanisms in gas hydrate-bearing sediments.Thre...
关键词：gas hydrate-bearing sediments Carcione-Leclaire model time-splitting staggered-grid finite-difference slow-wave characteristics 
A time-splitting pressure-correction projection method for complete two-fluid modeling of a local scour hole
《International Journal of Sediment Research》2020年第4期395-407,共13页Kambiz Farahi Moghadam Mohammad Ali Banihashemi Peyman Badiei Ali Shirkavand 
A two-dimensional vertical(2DV),Eulerian two-phase model or complete two-fluid model of the free surface flow was developed to simulate water-sediment flow in a local scour hole.In the model,the complete forms of the ...
关键词：Numerical modeling COMPLETE TWO-FLUID model TIME-SPLITTING pressure-correction projection method LOCAL scour hole Sediment concentration Longitudinal fluid velocity 
EFFICIENT AND ACCURATE NUMERICAL METHODS FOR LONG-WAVE SHORT-WAVE INTERACTION EQUATIONS IN THE SEMICLASSICAL LIMIT REGIME
《Journal of Computational Mathematics》2019年第5期645-665,共21页Tingchun Wang Xiaofei Zhao Mao Peng Peng Wang 
the the National Natural Science Foundation (Grant No. 11571181);the Natural Science Foundation of Jiangsu Province (Grant No. BK20171454);Qing Lan project, thank the reviewers for their many valuable suggestions. This work was partially done while the first author was visiting Beijing Computational Science Research Center from October 3, 2013 to March 3, 2014.
This paper focuses on performance of several efficient and accurate numerical methods for the long-wave short-wave interaction equations in the semiclassical limit regime. The key features of the proposed methods are ...
关键词：LONG-WAVE short-wave INTERACTION EQUATIONS SEMICLASSICAL limit TIME-SPLITTING METHOD Spectral METHOD Compact finite difference METHOD Conservative properties 
A Novel Approach with Time-Splitting Spectral Technique for the Coupled Schrdinger–Boussinesq Equations Involving Riesz Fractional Derivative被引量：1
《Communications in Theoretical Physics》2017年第9期301-308,共8页S.Saha Ray 
Supported by NBHM,Mumbai,under Department of Atomic Energy,Government of India vide Grant No.2/48(7)/2015/NBHM(R.P.)/R&D Ⅱ/11403
In the present paper the Riesz fractional coupled Schr6dinger-Boussinesq （S-B） equations have been solved by the time-splitting Fourier spectral （TSFS） method. This proposed technique is utilized for discretizing ...
关键词：coupled SchrSdinger-Boussinesq equations Riesz fractional derivative discrete fourier transform inverse discrete Fourier transform 
On Time-Splitting Pseudospectral Discretization for Nonlinear Klein-Gordon Equation in Nonrelativistic Limit Regime
《Communications in Computational Physics》2014年第7期440-466,共27页Xuanchun Dong Zhiguo Xu Xiaofei Zhao 
supported by the Singapore A*STAR SERC PSF-Grant 1321202067。
In this work,we are concerned with a time-splitting Fourier pseudospectral(TSFP)discretization for the Klein-Gordon(KG)equation,involving a dimensionless parameterε∈(0,1].In the nonrelativistic limit regime,the smal...
关键词：Klein-Gordon equation high oscillation TIME-SPLITTING trigonometric integrator error estimate meshing strategy. 
An Efficient Numerical Method for the Quintic Complex Swift-Hohenberg Equation被引量：2
《Numerical Mathematics(Theory,Methods and Applications)》2011年第2期237-254,共18页Hanquan Wang Lina Yanti 
supported in part by the Ministry of Education of Singapore grant No.R-146-000-120-112;the National Natural Science Foundation of China grant No.10901134.
In this paper,we present an efficient time-splitting Fourier spectral method for the quintic complex Swift-Hohenberg equation.Using the Strang time-splitting technique,we split the equation into linear part and nonlin...
关键词：Quintic complex Swift-Hohenberg equation time-splitting Fourier pseudospectral method numerical simulation SOLITON 
A Time-Splitting Spectral Method for Three-Wave Interactions in Media with Competing Quadratic and Cubic Nonlinearities
《Communications in Computational Physics》2007年第1期123-140,共18页Weizhu Bao Chunxiong Zheng 
support from the National University of Singapore grant No.R-146-000-081-112;C.Zheng acknowledges the support by National Natural Science Foundation of China(No.10401020);his extended visit at National University of Singapore.
This paper introduces an extension of the time-splitting spectral(TSSP)method for solving a general model of three-wave optical interactions,which typically arises from nonlinear optics,when the transmission media has...
关键词：Nonlinear optics three-wave time-splitting spectral method energy continuous wave soliton. 
STUDY OF NON-BOUSSINESQ EFFCET ON SEA SURFACE HEIGHT
《Journal of Hydrodynamics》2004年第5期518-524,共7页CHENXian-yao WANGXuan WANGXiu-hong QIAOFang-li 
NationalKeyBasicResearchProgram (GrantNo :G19990 4 380 9) ,NationalHighTechnologyProject(GrantNo:2 0 0 2AA6 394 10 )andNationalNaturalScienceFoundationofChina (GrantNos:4 0 4 0 6 0 0 7and 4 0 2 310 12 )
A set of equations was derived for a non-Boussinesq ocean model in thispaper. A new time-splitting scheme was introduced which incorporates the 4th-order Runge-Kuttaexplicit scheme of low-frequency mode and an implici...
关键词：non-boussinesq effect time-splitting scheme sea surface height ocean model 
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