Search Results - Unstructured parallel-multigrid computation*

Numerical simulation of 3D fluid–structure interaction flow using an immersed object method with overlapping grids by Tai, C.H., Liew, K.M., Zhao, Y.

“… [Tai CH, Zhao Y, Liew KM. Parallel computation of unsteady three-dimensional incompressible viscous flow using an unstructured multigrid method. In: The second M.I.T…”
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Parallel computation of unsteady three-dimensional incompressible viscous flow using an unstructured multigrid method by Tai, C.H., Zhao, Y., Liew, K.M.

“…The development and validation of a parallel unstructured tetrahedral non-nested multigrid (MG…”
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Multiplicative and additive parallel multigrid algorithms for the acceleration of compressible flow computations on unstructured meshes by 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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Parallel computation of unsteady three-dimensional incompressible viscous flow using an unstructured multigrid method by Tai, Chin Hoe, Zhao, Yong, Liew, K.M.

“…This chapter discusses the development and validation of a parallel and unstructured tetrahedral non-nested multigrid method for simulation of unsteady three-dimensional incompressible viscous flow. The Navier…”
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Parallel unsteady incompressible viscous flow computations using an unstructured multigrid method by Tai, Chin Hoe, Zhao, Yong

“…The development and validation of a parallel unstructured non-nested multigrid method for simulation of unsteady incompressible viscous flow is presented. The Navier…”
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Parallel-multigrid computation of unsteady incompressible viscous flows using a matrix-free implicit method and high-resolution characteristics-based scheme by Tai, C.H., Zhao, Y., Liew, K.M.

“…A three-dimensional parallel unstructured non-nested multigrid solver for solutions of unsteady incompressible viscous flow is developed and validated…”
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Parallel Multigrid for Nonlinear Cloth Simulation by Wang, Zhendong, Wu, Longhua, Fratarcangeli, Marco, Tang, Min, Wang, Huamin

“…Accurate high‐resolution simulation of cloth is a highly desired computational tool in graphics applications. As single…”
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Economic Benefit Evaluation Model of Urban Street Reconstruction Based on Parallel Multigrid Computing by Cui, Yu

“…This study draws on the relevant experience of algebraic multigrid, which effectively deals with anisotropic matrices, transforms the geometric characteristics of unstructured grids into numerical…”
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A Massively Parallel Multigrid Method for Finite Elements by Bergen, B., Gradl, T., Hulsemann, F., Rude, U.

“… Specifically, it generates extremely fine meshes by using a structured refinement of an unstructured base mesh…”
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Efficient fully-coupled solution techniques for two-phase flow in porous media: Parallel multigrid solution and large scale computations by Bastian, Peter, Helmig, Rainer

“… We employ a Newton-multigrid algorithm on unstructured meshes in two and three space dimensions…”
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Designing Resilient Parallel Multigrid Methods on Unstructured Adaptive Meshes by Fung, Frederick

“… Prior studies of fault-tolerant multigrid methods have focused on structured grids. In this research, the challenge lies in the fact that unstructured grids…”
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Parallel multigrid smoothing: polynomial versus Gauss–Seidel by Adams, Mark, Brezina, Marian, Hu, Jonathan, Tuminaro, Ray

“… This leads us to consider alternative smoothers. We discuss the computational advantages of polynomial smoothers within parallel multigrid algorithms for positive definite symmetric systems…”
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Adaptive angle and parallel multigrid for deterministic shielding problems by Dargaville, Steven, Buchan, Andrew, Smedley-Stevenson, Richard, Smith, Paul, Pain, Chris

“… These parallelise well (scaling to >100,000 cores) on structured grids, however achieving good scaling on unstructured grids is still an open problem…”
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Hybrid parallel multigrid preconditioner based on automatic mesh coarsening for 3D metal forming simulations by Vi, Frederic, Mocellin, Katia, Digonnet, Hugues, Perchat, Etienne, Fourment, Lionel

“…Summary A parallel multigrid (MG) method is developed to reduce the large computational costs involved by the finite element simulation of highly viscous fluid flows, especially those resulting from metal forming applications…”
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Parallel multigrid solvers for 3D-unstructured large deformation elasticity and plasticity finite element problems by Adams, Mark, Taylor, R.L

“… We discuss a method, that uses many of the same techniques as the finite element method itself, to apply standard multigrid algorithms to unstructured finite element problems…”
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Parallel multigrid on hierarchical hybrid grids: a performance study on current high performance computing clusters by Gmeiner, Björn, Köstler, Harald, Stürmer, Markus, Rüde, Ulrich

“…‐structured computational grid. One challenge is the parallel mesh generation from an unstructured input grid that roughly approximates a human head within a 3D magnetic resonance imaging data set…”
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Parallel multigrid methods for the calculation of unsteady flows on unstructured grids: algorithmic aspects and parallel performances on clusters of PCs by Dolean, V., Lanteri, S.

“…We report on our efforts towards the design of efficient parallel hierarchical iterative methods for the solution of sparse and irregularly structured linear…”
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Quantitative Analysis of Hepatitis C NS5A Viral Protein Dynamics on the ER Surface by Knodel, Markus, Nägel, Arne, Reiter, Sebastian, Vogel, Andreas, Targett-Adams, Paul, McLauchlan, John, Herrmann, Eva, Wittum, Gabriel

“… To date, spatial resolution has only rarely been analyzed in computational/biophysical descriptions of virus replication dynamics…”
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Large-scale density-driven flow simulations using parallel unstructured Grid adaptation and local multigrid methods by Lang, Stefan, Wittum, Gabriel

“…‐dimensional problems on complex geometries are faced, which yield the use of unstructured Grids…”
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Parallel multigrid solver for 3D unstructured finite element problems by Adams, Mark, Demmel, James W.

“… The application of multigrid to unstructured grid problems, however, is not well developed. We discuss a method, that uses many of the same techniques as the finite element…”
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