LIMITERS

作品数:19被引量:23H指数:2
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相关领域:历史地理更多>>
相关作者:曹和生徐岩更多>>
相关机构:中电普瑞科技有限公司湖北省防雷中心北京市避雷装置安全检测中心中国科学技术大学更多>>
相关期刊:《Applied Mathematics and Mechanics(English Edition)》《Journal of Hydrodynamics》《Communications in Computational Physics》《Chinese Optics Letters》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划广东省自然科学基金更多>>
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RKDG Methods with Multi-resolution WENO Limiters for Solving Steady-State Problems on Triangular Meshes
《Communications on Applied Mathematics and Computation》2024年第3期1575-1599,共25页Jun Zhu Chi-Wang Shu Jianxian Qiu 
supported by the NSFC Grant No.11872210 and Grant No.MCMS-I-0120G01;Chi-Wang Shu:Research is supported by the AFOSR Grant FA9550-20-1-0055 and the NSF Grant DMS-2010107;Jianxian Qiu:Research is supported by the NSFC Grant No.12071392.
In this paper, we design high-order Runge-Kutta discontinuous Galerkin (RKDG) methods with multi-resolution weighted essentially non-oscillatory (multi-resolution WENO) limiters to compute compressible steady-state pr...
关键词:RKDG method Steady-state problem Multi-resolution WENO limiter Triangular mesh Machine zero 
Revisting High-Resolution Schemes with van Albada Slope Limiter
《Communications on Applied Mathematics and Computation》2024年第3期1924-1953,共30页Jingcheng Lu Eitan Tadmor 
Research was supported in part by the ONR Grant N00014-2112773.
Slope limiters play an essential role in maintaining the non-oscillatory behavior of high-resolution methods for nonlinear conservation laws.The family of minmod limiters serves as the prototype example.Here,we revisi...
关键词:High resolution LIMITERS Total-Variation Diminishing(TVD)stability Central schemes 
Neural Network-Based Limiter with Transfer Learning被引量:1
《Communications on Applied Mathematics and Computation》2023年第2期532-572,共41页Rémi Abgrall Maria Han Veiga 
Recent works have shown that neural networks are promising parameter-free limiters for a variety of numerical schemes(Morgan et al.in A machine learning approach for detect-ing shocks with high-order hydrodynamic meth...
关键词:LIMITERS Neural networks Transfer learning Domain adaptation 
非结构网格间断Galerkin方法的一种简单有效后验激波指示器
《Acta Mechanica Sinica》2023年第5期48-64,共17页姜振华 闫超 于剑 
supported by the National Natural Science Foundation of China(Grant Nos.11702015 and 11721202);support by the high performance computing(HPC)resources at Beihang University;The first author also acknowledges the support by the Fundamental Research Funds for the Central Universities.
针对间断Galerkin(DG)方法的激波捕捉问题,在三角形网格上提出了一种基于后验方法的简单有效的问题单元指示器.方法利用了von Neumann单元中不同时刻的离散解来保持DG格式的紧凑性.本文采用有效的技术来提供有关问题单元的进一步信息,...
关键词:Discontinuous Galerkin method A posteriori indicator LIMITERS Positivity-preserving 
Study of total variation diminishing (TVD) slope limiters in dam-break flow simulation被引量:1
《Water Science and Engineering》2018年第1期68-74,共7页Feng-peng Bai Zhong-hua Yang Wu-gang Zhou 
supported by the National Natural Science Foundation of China(Grants No.51679170,51379157,and 51439007)
A two-dimensional (2D) dam-break flow numerical model was developed based on the finite-volume total variation diminishing (TVD) and monotone upstream-centered scheme for conservation laws (MUSCL)-Hancock scheme...
关键词:Dam-break flow TVD MUSCL-Hancock scheme Slope limiter Numerical accuracy Spurious oscillation 
故障电流限制器工程应用性能研究被引量:2
《智能电网》2015年第9期833-838,共6页朱宁辉 赵波 王海龙 喻劲松 
国网智能电网研究院科技项目(SGRI-PK-81-14-001)
故障电流限制器是解决电网短路电流超标最理想的手段之一,而如何选择合适类型的故障限流器尚未有合理的依据。首先比较短路电流水平和故障电流限制器应用支路短路电流的区别,分析出决定故障电流限制器的主要影响因素;在此基础上,引入CI...
关键词:故障电流限制器(fault CURRENT limiters FCL) 性能评价 短路水平 
A fully-explicit discontinuous Galerkin hydrodynamic model for variably-saturated porous media
《Journal of Hydrodynamics》2014年第4期594-607,共14页De MAET T. HANERT E. VANCLOOSTER M. 
funded by the Fond de la Recherche Scientifique de Belgique (FRSFNRS)
Groundwater flows play a key role in the recharge of aquifers, the transport of solutes through subsurface systems or the control of surface runoff. Predicting these processes requires the use of groundwater models wi...
关键词:3D subsurface flow model discontinuous Galerkin method slope limiters explicit time integration 
A Contact SPH Method with High-Order Limiters for Simulation of Inviscid Compressible Flows被引量:2
《Communications in Computational Physics》2013年第7期425-442,共18页Xueying Zhang Haiyan Tian Leihsin Kuo Wen Chen 
supported by the Fundamental Research Funds of Central University(B103093);Key Laboratory Foundation of Coastal Disasters.
In this paper,we study a class of contact smoothed particle hydrodynamics(SPH)by introducing Riemann solvers and using high-order limiters.In particular,a promising concept ofWENO interpolation as limiter is presented...
关键词:Meshless method SPH method the Riemann solution high-order limiter Taylor series 
Implicit high-order discontinuous Galerkin method with HWENO type limiters for steady viscous flow simulations被引量:2
《Acta Mechanica Sinica》2013年第4期526-533,共8页Zhen-Hua Jiang Chao Yan Jian Yu 
supported by the National Basic Research Program of China(2009CB724104)
Two types of implicit algorithms have been im- proved for high order discontinuous Galerkin (DG) method to solve compressible Navier-Stokes (NS) equations on tri- angular grids. A block lower-upper symmetric Gauss...
关键词:Discontinuous Galerkin (DG) scheme ~ Implicitmethod ~ HWENO ~ High order ~ Unstructured grids 
A Comparison of the Performance of Limiters for Runge-Kutta Discontinuous Galerkin Methods
《Advances in Applied Mathematics and Mechanics》2013年第3期365-390,共26页Hongqiang Zhu Yue Cheng Jianxian Qiu 
The research was partially supported by NSFC grant 10931004,11126287,11201242,NJUPT grant NY211029 and ISTCP of China grant No.2010DFR00700.The authors would like to thank the referees for the helpful suggestions.
Discontinuities usually appear in solutions of nonlinear conservation laws even though the initial condition is smooth,which leads to great difficulty in computing these solutions numerically.The Runge-Kutta discontin...
关键词:LIMITER discontinuous Galerkin method hyperbolic conservation laws 
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