Výsledky vyhledávání - parallel multigrid algorithm

Development of a parallel adaptive multigrid algorithm for solving the multi-scale thermal-solute 3D phase-field problems Autor Wu, Jun, Guo, Zhipeng, Luo, Chao

“…[Display omitted] A parallel adaptive multigrid algorithm was developed to solve the coupled thermal-solute phase field equations so that the multi-scale difficulty of the problem when both thermal and solute fields…”
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Parallel adaptive multigrid algorithm for 2-d 3-t diffusion equations Autor Zeyao, Mo, Longjun, Shen, Wittum, Gabriel

“… On the basis of UG framework, this article successfully solves such equations on two-dimensional unstructured grid applied with full implicit finite volume discrete scheme and parallel adaptive multigrid algorithm…”
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Parallel multigrid algorithms based on generic approximate sparse inverses: an SMP approach Autor Filelis-Papadopoulos, Christos K., Gravvanis, George A.

“…New parallel computational techniques are introduced for the parallelization of Generic Approximate Sparse Inverse multigrid methods, based on Portable Operating System Interface for UniX (POSIX…”
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A Parallel Multigrid Preconditioned Conjugate Gradient Algorithm for Groundwater Flow Simulations Autor Ashby, Steven F., Falgout, Robert D.

“… The focus is on the performance of a parallel multigrid preconditioner for accelerating convergence of conjugate gradients, which is used to compute the pressure head…”
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Toward large scale F.E. computation of hot forging process using iterative solvers, parallel computation and multigrid algorithms Autor Mocellin, K., Fourment, L., Coupez, T., Chenot, J. L.

“… The parallel version of the code uses an SPMD programming model and several results on complex applications have been published…”
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Low-Communication, Parallel Multigrid Algorithms for Elliptic Partial Differential Equations Autor Mitchell, Wayne Bradford

“…When solving elliptic partial differential equations (PDE's) multigrid algorithms often provide optimal solvers and preconditioners capable of providing solutions with O(N…”
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Parallel tridiagonal matrix inversion with a hybrid multigrid-Thomas algorithm method Autor Parker, J.T., Hill, P.A., Dickinson, D., Dudson, B.D.

“… In this paper, we derive a hybrid multigrid-Thomas algorithm designed to efficiently invert tridiagonal matrix equations in a highly-scalable fashion in the context of time evolving partial…”
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Using Symmetries and Antisymmetries to Analyze a Parallel Multigrid Algorithm: The Elliptic Boundary Value Problem Case Autor Douglas, Craig C., Smith, Barry F.

“…Symmetry and antisymmetry properties of a class of elliptic partial differential equations are exploited to prove when a particular parallel multilevel algorithm is a direct method rather than the usual iterative method…”
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Application of Parallel Algebraic Multigrid Algorithms in Geophysics Autor Rui, Chen, Han-dong, Tan

“… In this paper, the algebraic multigrid preconditioned methods and conjugate gradient solution process are adopted to conduct parallel processing in combination of graphics processing unit (GPU…”
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Parallel multigrid method for solving inverse problems Autor Al-Mahdawi, H.K., Sidikova, A. I, Alkattan, Hussein, Abotaleb, Mostafa, Kadi, Ammar, El-kenawy, El-Sayed M

“… A new parallel algorithm for the multigrid process has been developed. The proposed algorithm is based on a V-cycle mixed with the two-grid method…”
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An Efficient Parallel Implementation of the SIMPLE Algorithm Based on a Multigrid Method Autor Kozelkov, A. S., Lashkin, S. V., Kurkin, A. A., Kornev, A. V., Vyalykh, A. M.

“…ABSTRACT This paper deals with a parallel implementation of the SIMPLE (Semi-Implicit Method for Pressure-Linked Equations…”
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Exposing Fine-Grained Parallelism in Algebraic Multigrid Methods Autor Bell, Nathan, Dalton, Steven, Olson, Luke N.

“…Algebraic multigrid methods for large, sparse linear systems are a necessity in many computational simulations, yet parallel algorithms for such solvers are generally decomposed into coarse-grained…”
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Multiplicative and additive parallel multigrid algorithms for the acceleration of compressible flow computations on unstructured meshes Autor Fournier, L., Lanteri, S.

“…In this paper we examine how parallel multigrid acceleration can be used to improve the efficiency of two-dimensional compressible steady flow calculations on unstructured meshes…”
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A Vanka-type multigrid solver for complex-shifted Laplacian systems from diagonalization-based parallel-in-time algorithms Autor He, Yunhui, Liu, Jun

“…We propose and analyze a Vanka-type multigrid solver for solving a sequence of complex-shifted Laplacian systems arising in diagonalization-based parallel-in-time algorithms for evolutionary equations…”
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Analysis of Multigrid Algorithms on Massively Parallel Computers: Architectural Implications Autor Matheson, Lesley R., Tarjan, Robert E.

“…We study the potential performance of multigrid algorithms running on massively parallel computers with the intent of discovering whether currently envisioned machines will provide an efficient…”
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Parallel Multigrid Acceleration for the Finite-Element Gaussian Belief Propagation Algorithm Autor El-Kurdi, Yousef, Gross, Warren J., Giannacopoulos, Dennis

“…We introduce a novel parallel multigrid algorithm, referred to as the finite-element multigrid Gaussian belief propagation (FMGaBP…”
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Parallel linear multigrid algorithms for the acceleration of compressible flow calculations: Vistas in domain decomposition and parallel processing in computational mechanics Autor CARRE, G, FOURNIER, L, LANTERI, S

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A Parallel Version of a Multigrid Algorithm for Isotropic Transport Equations Autor Manteuffel, T., Mccormick, S., Morel, J., Oliveira, S., Yang, G.

“…The focus of this paper is on a parallel algorithm for solving the transport equations in a slab geometry using multigrid…”
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Parallel linear multigrid algorithms for the acceleration of compressible flow calculations Autor Carré, Gilles, Fournier, Luc, Lanteri, Stéphane

“…The interest in unstructured meshes for Computational Fluid Dynamics (CFD) applications appears to be increasingly important in the industrial community…”
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A space-time parallel algorithm with adaptive mesh refinement for computational fluid dynamics Autor Christopher, Joshua, Falgout, Robert D., Schroder, Jacob B., Guzik, Stephen M., Gao, Xinfeng

“… This algorithm is achieved by integrating two software libraries: XBraid (Parallel time integration with multigrid. https…”
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