Results 11 to 20 of about 37,043 (186)
Multigrid accelerated simulations for Twisted Mass fermions [PDF]
EPJ Web of Conferences, 2018 Simulations at physical quark masses are affected by the critical slowing down of the solvers. Multigrid preconditioning has proved to deal effectively with this problem.
Bacchio Simone +2 more
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Discrete Fourier analysis of multigrid algorithms [PDF]
, 2011 The main topic of this report is a detailed discussion of the discrete Fourier multilevel analysis of multigrid algorithms. First, a brief overview of multigrid methods is given for discretizations of both linear and nonlinear partial differential ...
Rhebergen, S., Vegt, J.J.W. van der
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New approach to far field analysis for radiation pattern estimation using FDTD method [PDF]
Serbian Journal of Electrical Engineering, 2014 In this paper an approach to efficient computation of radiation pattern in FDTD simulation environment is presented. A necessary large distance from the radiating object is achieved by multigrid space discretization with unilaterally connected ...
Nikolić Bojana +4 more
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Lattice QCD Calculation and Optimization on ARM Processors [PDF]
Jisuanji kexue, 2023 Lattice quantum chromodynamics(lattice QCD) is one of the most important applications of large-scale parallel computing in high energy physics,researches in this field usually consume a large amount of computing resources,and its core is to solve the ...
SUN Wei, BI Yujiang, CHENG Yaodong
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Tribology Online, 2023 A previously developed and validated model for the life of rolling/sliding heavily-loaded lubricated contacts, that separates surface and subsurface survival is now adapted to include the effect of material inhomogeneities and it is applied to the case ...
Guillermo Enrique Morales-Espejel +2 more
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Numerical Study of Viscoplastic Flows Using a Multigrid Initialization Algorithm
Algorithms, 2023 In this paper, an innovative methodology to handle the numerical simulation of viscoplastic flows is proposed based on a multigrid initialization algorithm in conjunction with the SIMPLE procedure.
Souhail Maazioui +3 more
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Multigrid Method for Optimal Control Problem Constrained by Stochastic Stokes Equations with Noise
Mathematics, 2021 Optimal control problems governed by stochastic partial differential equations have become an important field in applied mathematics. In this article, we investigate one such important optimization problem, that is, the stochastic Stokes control problem ...
Muhammad Munir Butt
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Nonlinear Multigrid Implementation for the Two-Dimensional Cahn–Hilliard Equation
Mathematics, 2020 We present a nonlinear multigrid implementation for the two-dimensional Cahn−Hilliard (CH) equation and conduct detailed numerical tests to explore the performance of the multigrid method for the CH equation.
Chaeyoung Lee +3 more
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Multigrid optimization for space-time discontinuous Galerkin discretizations of advection dominated flows [PDF]
, 2010 The goal of this research is to optimize multigrid methods for higher order accurate space-time discontinuous Galerkin discretizations. The main analysis tool is discrete Fourier analysis of two- and three-level multigrid algorithms.
A. Brandt +7 more
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Mathematical Modelling and Analysis, 2012 This paper deals with the numerical solution of a two-dimensional thermoporoelasticity problem using a finite-difference scheme. Two issues are discussed: stability and convergence in discrete energy norms of the finite-difference scheme are proved, and ...
Natalia Boal +3 more
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