《Communications in Computational Physics》

作品数：1357被引量：630H指数：9
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《Communications in Computational Physics》
主办单位：中国核学会；北京应用物理与计算数学研究所
最新期次：2023年10期更多>>
发文主题：LATTICE_BOLTZMANN_METHODLATTICE_BOLTZMANNMETHODUSINGSCHEME更多>>
发文领域：理学自动化与计算机技术金属学及工艺天文地球更多>>
发文基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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A Stochastic Gradient Descent Method for Computational Design of Random Rough Surfaces in Solar Cells
《Communications in Computational Physics》2023年第10期1361-1390,共30页Qiang Li Gang Bao Yanzhao Cao Junshan Lin 
partially supported by the DOE grant DE-SC0022253;the work of JL was partially supported by the NSF grant DMS-1719851 and DMS-2011148.
In this work,we develop a stochastic gradient descent method for the computational optimal design of random rough surfaces in thin-film solar cells.We formulate the design problems as random PDE-constrained optimizati...
关键词：Optimal design random rough surface solar cell Helmholtz equation stochastic gradient descent method 
A Multigrid Discretization of Discontinuous Galerkin Method for the Stokes Eigenvalue Problem
《Communications in Computational Physics》2023年第10期1391-1419,共29页Ling Ling Sun Hai Bi Yidu Yang 
supported by the National Natural Science Foundation of China(Nos.12261024,11561014);the Science and Technology Planning Project of Guizhou Province(Guizhou Kehe fundamental research-ZK[2022]No.324).
In this paper,based on the velocity-pressure formulation of the Stokes eigenvalue problemin d-dimensional case(d=2,3),we propose amultigrid discretization of discontinuous Galerkin method using P_(k)-P_(k)-1 element(k...
关键词：Stokes eigenvalue problem discontinuous Galerkin method multigrid discretizations adaptive algorithm 
A High Order Positivity-Preserving Discontinuous Galerkin Remapping Method Based on a Moving Mesh Solver for ALE Simulation of the Compressible Fluid Flow
《Communications in Computational Physics》2023年第10期1177-1214,共38页Xiaolu Gu Juan Cheng Chi-Wang Shu 
supported in part by NSFC grant 12031001;National Key R&D Program of China No.2023YFA1009003;supported in part by NSF grant DMS-2010107.
The arbitrary Lagrangian-Eulerian(ALE)method is widely used in the field of compressible multi-material and multi-phase flow problems.In order to implement the indirect ALE approach for the simulation of compressible ...
关键词：REMAPPING discontinuous Galerkin method arbitrary Lagrangian-Eulerian high order accuracy multi-resolution WENO limiter positivity-preserving 
Operator Splitting and Local Time-Stepping Methods for Transport Problems in Fractured Porous Media
《Communications in Computational Physics》2023年第10期1215-1246,共32页Phuoc-Toan Huynh Yanzhao Cao Thi-Thao-Phuong Hoang 
partially supported by the US National Science Foundation under grant number DMS-1912626.
This paper is concerned with efficient numerical methods for the advectiondiffusion equation in a heterogeneous porous medium containing fractures.A dimensionally reduced fracture model is considered,in which the frac...
关键词：Domain decomposition reduced fracture model operator splitting nonconforming time grids time-dependent Steklov-Poincare operator optimized Schwarz waveform relaxation 
Iterative Pure Source Transfer Domain Decomposition Methods for Helmholtz Equations in Heterogeneous Media
《Communications in Computational Physics》2023年第10期1247-1276,共30页Yu Du Haijun Wu 
funded by the Natural Science Foundation of China under grants 12071401,12171238,12261160361,and 11525103;the science and technology innovation Program of Hunan Province 2022RC1191.
We extend the pure source transfer domain decomposition method(PSTDDM)to solve the perfectly matched layer approximation of Helmholtz scattering problems in heterogeneous media.We first propose some new source transfe...
关键词：Helmholtz equation large wave number perfectly matched layer source transfer domain decomposition method PRECONDITIONER heterogeneous problem 
An Interpolation-Free Cell-Centered Finite Volume Scheme for 3D Anisotropic Convection-Diffusion Equations on Arbitrary Polyhedral Meshes
《Communications in Computational Physics》2023年第10期1277-1305,共29页Shuai Miao Jiming Wu Yanzhong Yao 
partially supported by the National Natural Science Foundation of China(Nos.11871009,12271055,12171048);the foundation of CAEP(CX20210044);the Foundation of LCP.
Most existing cell-centered finite volume schemes need to introduce auxiliary unknowns in order to maintain the second-order accuracy when the mesh is distorted or the problem is discontinuous,so interpolation algorit...
关键词：Interpolation-free finite volume scheme CONVECTION-DIFFUSION polyhedral mesh 
A Second-Order Implicit-Explicit Scheme for the Baroclinic-Barotropic Split System of Primitive Equations
《Communications in Computational Physics》2023年第10期1306-1331,共26页Rihui Lan Lili Ju Zhu Wang Max Gunzburger 
partially supported by the U.S.Department of Energy,Office of Science,Office of Biological and Environmental Research through Earth and Environmental System Modeling and Scientific Discovery through Advanced Computing programs under university grants DE-SC0020270 and DE-SC0020418;partially supported by Shandong Excellent Young Scientists Program(Overseas)under the grant 2023HWYQ-064;OUC Youth Talents Project.
The baroclinic-barotropic mode splitting technique is commonly employed in numerical solutions of the primitive equations for ocean modeling to deal with the multiple time scales of ocean dynamics.In this paper,a seco...
关键词：Primitive equations baroclinic-barotropic splitting implicit-explicit strong stability preserving RK SSH reconciliation 
Nonconforming Finite Elements for the -curlΔcurl and Brinkman Problems on Cubical Meshes
《Communications in Computational Physics》2023年第10期1332-1360,共29页Qian Zhang Min Zhang Zhimin Zhang 
supported in part by the National Natural Science Foundation of China grants NSFC 12131005 and NSAF U2230402.
We propose two families of nonconforming elements on cubical meshes:one for the -curlΔcurl problem and the other for the Brinkman problem.The element for the -curlΔcurl problem is the first nonconforming element on ...
关键词：Nonconforming elements -curlΔcurl problem Brinkman problem finite element de Rham complex Stokes complex 
Numerical Approximation of an Axisymmetric Elastoacoustic Eigenvalue Problem
《Communications in Computational Physics》2023年第10期1420-1438,共19页J.Querales P.Venegas 
supported by ANID-Chile through the projects Centro de Modelamiento Matematico(CMM),FB210005;BASAL funds for centers of excellence;Anillo of Computational Mathematics for Desalination Processes,ACT210087,FONDECYT project 1211030;by DIUBB through projects 2020126 IF/R and 2120173 GI/C.
This paper deals with the numerical approximation of a pressure/displacement formulation of the elastoacoustic vibration problem in the axisymmetric case.We propose and analyze a discretization based on Lagrangian fin...
关键词：Axisymmetric problem fluid-structure interaction spectral problem finite element method 
High-Order Low-Dissipation Shock-Resolving TENO-THINC Schemes for Hyperbolic Conservation Laws
《Communications in Computational Physics》2023年第9期1043-1078,共36页Shinichi Takagi Hiro Wakimura Lin Fu Feng Xiao 
supported by National Key R&D Program of China(No.2022YFA1004500);Lin Fu acknowledges the fund from the Research Grants Council(RGC)of the Government of Hong Kong Special Administrative Region(HKSAR)with RGC/ECS Project(No.26200222);the fund from Guangdong Basic and Applied Basic Research Foundation(No.2022A1515011779);the fund from Key Laboratory of Computational Aerodynamics,AVIC Aerodynamics Research Institute,and the fund from the Project of Hetao Shenzhen-Hong Kong Science and Technology Innovation Cooperation Zone(No.HZQB-KCZYB-2020083);Feng Xiao acknowledges the fund from JSPS(Japan Society for the Promotion of Science)under Grant Nos.18H01366 and 19H05613;Hiro Wakimura acknowledges the fund from JSPS under Grant No.22KJ1331.
While the recently proposed TENO(targeted essentially non-oscillatory)schemes[Fu et al.,Journal of Computational Physics 305(2016):333-359]exhibit better performance than the classical WENO(weighted essentially non-os...
关键词：TENO THINC WENO high-order numerical schemes low-dissipation schemes compressible flows 
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