Výsledky vyhledávání - "multigrid algorithm"

p-Multigrid high-order discontinuous Galerkin solver for three-dimensional compressible turbulent flows Autor Bulgarini, D., Ghidoni, A., Mantecca, E., Noventa, G.

“…The study of turbulent flows through steady-state simulations based on the Reynolds-averaged Navier-Stokes equations and turbulence models can be considered…”
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An efficient time-dependent auxiliary variable approach for the three-phase conservative Allen–Cahn fluids Autor Tan, Zhijun, Yang, Junxiang, Chen, Jianjun, Kim, Junseok

“…•A linear, totally decoupled, and second-order scheme for the ternary CAC fluids.•The proposed scheme is highly efficient and is very easy to implement.•The…”
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Employ a multigrid algorithm to solve the shape-transformation phase-field model Autor He, Jilong

“…This paper presents an original three-dimensional shape-transformation phase-field model solved by a highly efficient, optimally complex multigrid algorithm…”
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ARM处理器上的格点QCD计算与优化 Autor 孙玮, 毕玉江, 程耀东

“…TP391; 格点量子色动力学(格点QCD)是高能物理领域中需要大规模并行计算的最主要应用之一,相关研究通常需要消耗大量计算资源,核心是求解大规模稀疏线性方程组.文中基于国产…”
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An extrapolation accelerated multiscale Newton-MG method for fourth-order compact discretizations of semilinear Poisson equations Autor Hu, Hongling, Li, Ming, Pan, Kejia, Wu, Pinxia

“…An extrapolation accelerated multiscale Newton-multigrid (EMNMG) method is proposed to solve two-dimensional semilinear Poisson equations. The nine-point…”
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P-Multigrid Method for the Discontinuous Galerkin Discretization of Elliptic Problems Autor Lei, Nuo, Zhang, Donghang, Zheng, Weiying

“…In this paper, we propose a W -cycle p -multigrid method for solving the p -version symmetric interior penalty discontinuous Galerkin (SIPDG) discretization of…”
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Application of Multigrid for the Solution of Compressible Reynolds Equation of Gas Foil Bearings Autor Xu, Kefan, Zhang, Guanghui, Han, Jiazhen, Gong, Wenjie, Huang, Yanzhong, Guo, Yang

“…The multigrid algorithm can reduce the iterative residuals quickly, but it is rarely used in research about gas foil bearings. This article adopts the Reynolds…”
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Multigrid Algorithm for Immersed Finite Element Discretizations of Elliptic Interface Problems Autor Chu, Hanyu, Song, Yongzhong, Ji, Haifeng, Cai, Ying

“…This paper is devoted to analyzing multigrid algorithm for solving elliptic interface problems discretized using the partially penalized immersed finite…”
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An efficient extrapolation full multigrid method for elliptic problems in two and three dimensions Autor Li, Ming, Zheng, Zhoushun, Pan, Kejia

“…An extrapolation full multigrid (EXFMG) method is proposed for solving the large linear systems arising from linear finite element discretization of two- (2D)…”
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Lattice QCD Calculation and Optimization on ARM Processors Autor Sun, Wei, Bi, Yujiang, Cheng, Yaodong

“…Lattice quantum chromodynamics（lattice QCD） is one of the most important applications of large-scale parallel computing in high energy physics, researches in…”
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MrDIRECT: a multilevel robust DIRECT algorithm for global optimization problems Autor Liu, Qunfeng, Zeng, Jinping, Yang, Gang

“…Although DIRECT global optimization algorithm quickly gets close to the basin of the optimum, it often takes much longer to refine the solution to a high…”
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Fast Multigrid Algorithm for Non-Linear Simulation of Intact and Damaged Ship Motions in Waves Autor Wang, Ziping, Li, Tingqiu, Jin, Qiu, Guo, Hao, Zhao, Ji, Qi, Junlin

“…This paper proposes a fast multigrid algorithm to simulate the non-linear motion of ships in both intact and damaged conditions. The simulations of ship…”
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A NetCDF version of the two-dimensional energy balance model based on the full multigrid algorithm Autor Zhuang, Kelin, North, Gerald R., Stevens, Mark J.

“…A NetCDF version of the two-dimensional energy balance model based on the full multigrid method in Fortran is introduced for both pedagogical and research…”
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Efficient Solvers of Discontinuous Galerkin Discretization for the Cahn–Hilliard Equations Autor Guo, Ruihan, Xu, Yan

“…In this paper, we develop and analyze a fast solver for the system of algebraic equations arising from the local discontinuous Galerkin (LDG) discretization…”
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Local Discontinuous Galerkin Methods for the Functionalized Cahn–Hilliard Equation Autor Guo, Ruihan, Xu, Yan, Xu, Zhengfu

“…In this paper, we develop a local discontinuous Galerkin (LDG) method for the sixth order nonlinear functionalized Cahn–Hilliard (FCH) equation. We address the…”
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Global optimization by multilevel partition Autor Liu, Qunfeng, Zeng, Jinping

“…Partition-based algorithms, such as the DIRECT algorithm, are popular algorithms for solving global optimization problems. However, these algorithms often have…”
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Fast corner detection Autor Trajković, Miroslav, Hedley, Mark

“…This paper describes a new corner detection algorithm, based on the property of corners that the change of image intensity should be high in all directions…”
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Variational image reconstruction from arbitrarily spaced samples: a fast multiresolution spline solution Autor Arigovindan, M., Suhling, M., Hunziker, P., Unser, M.

“…We propose a novel method for image reconstruction from nonuniform samples with no constraints on their locations. We adopt a variational approach where the…”
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Accuracy Measures and Fourier Analysis for the Full Multigrid Algorithm Autor Rodrigo, Carmen, Gaspar, Francisco J., Oosterlee, Cornelis W., Yavneh, Irad

“…The full multigrid (FMG) algorithm is often claimed to achieve so-called discretization-level accuracy. In this paper, this notion is formalized by defining a…”
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Nonlinear Multigrid Methods for Numerical Solution of the Variably Saturated Flow Equation in Two Space Dimensions Autor Juncu, Gheorghe, Nicola, Aurelian, Popa, Constantin

“…The need of accurate and efficient numerical schemes to solve Richards’ equation is well recognized. This study is carried out to examine the numerical…”
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