HIGH-ORDER

作品数：527被引量：695H指数：10
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A High-Order Meshless Energy-Preserving Algorithm for the Beam Equation
《Communications in Mathematical Research》2024年第4期413-436,共24页Jialing Wang Yali He 
supported by the National Natural Science Foundation of China(Grant No.11801277).
In this paper,a meshless energy-preserving algorithm which can be arbitrarily high-order in temporal direction for the beam equation has been proposed.Based on the method of lines,we first use the radial basis func-ti...
关键词：Beam equation meshless scheme energy-preserving method radial basis function symplectic Runge-Kutta method. 
High-order targeted essentially non-oscillatory scheme for two-fluid plasma model被引量：1
《Applied Mathematics and Mechanics(English Edition)》2023年第6期941-960,共20页Yuhang HOU Ke JIN Yongliang FENG Xiaojing ZHENG 
Project supported by the National Natural Science Foundation of China(Nos.12072246,11972272,11872286);the National Numerical Wind Tunnel Project of China(No.NNW2020ZT3-A23)。
The weakly ionized plasma flows in aerospace are commonly simulated by the single-fluid model,which cannot describe certain nonequilibrium phenomena by finite collisions of particles,decreasing the fidelity of the sol...
关键词：PLASMA high-order scheme targeted essentially non-oscillatory(TENO)scheme two-fluid model 
A novel bit mapping scheme for high-order polar coded modulation systems
《Optoelectronics Letters》2021年第11期683-687,共5页LI Zhiwei YUAN Jianguo ZHANG Rui HUANG Sheng 
supported by the National High Technology and Development Program of China (No.61971079);the Postgraduate Science Research Innovation project of Chongqing Municipal Education Commission (No.CYS20266)。
In order to improve the spectrum efficiency of the high-order polar coded modulation systems, the polar code is used as the component code of the bit-interleave coded modulation(BICM) system, a novel bit mapping schem...
关键词：A novel bit mapping scheme for high-order polar coded modulation systems 
Stabilized seventh-order dissipative compact scheme using simultaneous approximation terms
《Applied Mathematics and Mechanics(English Edition)》2019年第6期823-836,共14页Jiaxian QIN Yaming CHEN Xiaogang DENG 
supported by the National Natural Science Foundation of China(No.11601517);the Basic Research Foundation of National University of Defense Technology(No.ZDYYJ-CYJ20140101)
To ensure time stability of a seventh-order dissipative compact finite difference scheme, fourth-order boundary closures are used near domain boundaries previously. However, this would reduce the global convergence ra...
关键词：HIGH-ORDER SCHEME compact SCHEME time stability simultaneous approximation TERM (SAT) 
A High-Order Spatiotemporal Precision-Matching Taylor–Li Scheme for Time-Dependent Problems被引量：2
《Advances in Atmospheric Sciences》2017年第12期1461-1471,共11页Pengfei WANG 
supported by the National Natural Sciences Foundation of China(Grant Nos.41375112 and 41530426);the Chinese Academy of Sciences Key Technology Talent Program
Based on the Taylor series method and Li’s spatial differential method, a high-order hybrid Taylor–Li scheme is proposed.The results of a linear advection equation indicate that, using the initial values of the squa...
关键词：Taylor–Li scheme high-order scheme Burgers' equation 
A High-Order Numerical Method to Study Three-Dimensional Hydrodynamics in a Natural River被引量：2
《Advances in Applied Mathematics and Mechanics》2015年第2期180-195,共16页Luyu Shen Changgen Lu Weiguo Wu Shifeng Xue 
This work is supported by the National Natural Science Foundation of China(Grant No.11172143);Research Innovation Program for College Graduates of Jiangsu Province(CXZZ130518).
A high-order numerical method for three-dimensional hydrodynamics is p-resented.The present method applies high-order compact schemes in space and a Runge-Kutta scheme in time to solve the Reynolds-averaged Navier-Sto...
关键词：Compact scheme three-dimensional hydrodynamics k-ǫturbulence model orthog-onal curvilinear coordinate system Runge-Kutta scheme 
Efficient high-order immersed interface methods for heat equations with interfaces
《Applied Mathematics and Mechanics(English Edition)》2014年第9期1189-1202,共14页刘建康 郑洲顺 
supported by the National Natural Science Foundation of China(No.51174236);the National Basic Research Program of China(973 Program)(No.2011CB606306);the Opening Project of State Key Laboratory of Porous Metal Materials(No.PMM-SKL-4-2012)
An efficient high-order immersed interface method （IIM） is proposed to solve two-dimensional （2D） heat problems with fixed interfaces on Cartesian grids, which has the fourth-order accuracy in the maximum norm in ...
关键词：high-order compact （HOC） scheme alternative direction implicit （ADI）scheme immersed interface method （IIM） Richardson extrapolation method 
Extension of the High-Order Space-Time Discontinuous Galerkin Cell Vertex Scheme to Solve Time Dependent Diffusion Equations
《Communications in Computational Physics》2012年第5期1503-1524,共22页Shuangzhang Tu Gordon W.Skelton Qing Pang 
This work is supported by the U.S.Air Force Office of Scientific Research(AFOSR)Computational Mathematics Programunder the Award No.FA9550-08-1-0122 and the Award No.FA9550-10-1-0045.The authors are also grateful to the School of Engineering and the Department of Computer Engineering at Jackson State University for their support.
In this paper,the high-order space-time discontinuous Galerkin cell vertex scheme(DG-CVS)developed by the authors for hyperbolic conservation laws is extended for time dependent diffusion equations.In the extension,th...
关键词：High-order method space-time method discontinuous Galerkin(DG)method cellvertex scheme(CVS) diffusion equations 
Perfect plane-wave source for a high-order symplectic finite-difference time-domain scheme
《Chinese Physics B》2011年第11期365-370,共6页王辉 黄志祥 吴先良 任信钢 
supported by the National Natural Science Foundation of China(Grant Nos.60931002 and 61101064);the Universities Natural Science Foundation of Anhui Province,China(Grant Nos.KJ2011A002 and 1108085J01)
The method of splitting a plane-wave finite-difference time-domain （SP-FDTD） algorithm is presented for the initiation of plane-wave source in the total-field / scattered-field （TF/SF） formulation of high-order sy...
关键词：splitting plane-wave finite-difference time-domain high-order symplectic finite-differencetime-domain scheme plane-wave source 
An Implicit LU-SGS Scheme for the Spectral Volume Method on Unstructured Tetrahedral Grids
《Communications in Computational Physics》2009年第10期978-996,共19页Takanori Haga Keisuke Sawada Z.J.Wang 
An efficient implicit lower-upper symmetric Gauss-Seidel(LU-SGS)solution approach has been applied to a high order spectral volume(SV)method for unstructured tetrahedral grids.The LU-SGS solver is preconditioned by th...
关键词：HIGH-ORDER unstructured grid spectral volume implicit method 
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