Parallel Adaptive Mesh Refinement

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The Scalability Of Parallel Adaptive Mesh Refinement With Uintah

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Author : Justin Paul Luitjens
language : en
Publisher:
Release Date : 2011

The Scalability Of Parallel Adaptive Mesh Refinement With Uintah written by Justin Paul Luitjens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Computer simulation categories.

Parallel Adaptive Mesh Refinement Algorithms For Unstructured 2d Meshes

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Author : Mustafa Keskin
language : en
Publisher:
Release Date : 1994

Parallel Adaptive Mesh Refinement Algorithms For Unstructured 2d Meshes written by Mustafa Keskin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

A Parallel Adaptive Mesh Refinement Algorithm

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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-28

A Parallel Adaptive Mesh Refinement Algorithm written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-28 with categories.

Over recent years, Adaptive Mesh Refinement (AMR) algorithms which dynamically match the local resolution of the computational grid to the numerical solution being sought have emerged as powerful tools for solving problems that contain disparate length and time scales. In particular, several workers have demonstrated the effectiveness of employing an adaptive, block-structured hierarchical grid system for simulations of complex shock wave phenomena. Unfortunately, from the parallel algorithm developer's viewpoint, this class of scheme is quite involved; these schemes cannot be distilled down to a small kernel upon which various parallelizing strategies may be tested. However, because of their block-structured nature such schemes are inherently parallel, so all is not lost. In this paper we describe the method by which Quirk's AMR algorithm has been parallelized. This method is built upon just a few simple message passing routines and so it may be implemented across a broad class of MIMD machines. Moreover, the method of parallelization is such that the original serial code is left virtually intact, and so we are left with just a single product to support. The importance of this fact should not be underestimated given the size and complexity of the original algorithm. Quirk, James J. and Hanebutte, Ulf R. Unspecified Center NAS1-19480; RTOP 505-90-52-01...

A Parallel Adaptive Mesh Refinement Algorithm

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Author : James J. Quirk
language : en
Publisher:
Release Date : 1993

A Parallel Adaptive Mesh Refinement Algorithm written by James J. Quirk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

A 3d Parallel Adaptive Mesh Refinement Method For Fluid Structure Interaction

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Author : Jean-Noël Pederzani
language : en
Publisher:
Release Date : 2009

A 3d Parallel Adaptive Mesh Refinement Method For Fluid Structure Interaction written by Jean-Noël Pederzani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.

Paramesh A Parallel Adaptive Mesh Refinement Community Toolkit

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Author :
language : en
Publisher:
Release Date : 1999

Paramesh A Parallel Adaptive Mesh Refinement Community Toolkit written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Dynamic Load Balancing For Parallel Adaptive Mesh Refinement

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Author : Xiangyang Li
language : en
Publisher:
Release Date : 2000

Dynamic Load Balancing For Parallel Adaptive Mesh Refinement written by Xiangyang Li and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with categories.

Parallel Adaptive Mesh Refinement Techniques For Plasticity Problems

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Author :
language : en
Publisher:
Release Date : 1997

Parallel Adaptive Mesh Refinement Techniques For Plasticity Problems written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

The accurate modeling of the nonlinear properties of materials can be computationally expensive. Parallel computing offers an attractive way for solving such problems; however, the efficient use of these systems requires the vertical integration of a number of very different software components, we explore the solution of two- and three-dimensional, small-strain plasticity problems. We consider a finite-element formulation of the problem with adaptive refinement of an unstructured mesh to accurately model plastic transition zones. We present a framework for the parallel implementation of such complex algorithms. This framework, using libraries from the SUMAA3d project, allows a user to build a parallel finite-element application without writing any parallel code. To demonstrate the effectiveness of this approach on widely varying parallel architectures, we present experimental results from an IBM SP parallel computer and an ATM-connected network of Sun UltraSparc workstations. The results detail the parallel performance of the computational phases of the application during the process while the material is incrementally loaded.

Characteristics Based Radiative Transfer For Parallel Adaptive Mesh Refinement Hydrodynamics

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Author : Lars Buntemeyer
language : en
Publisher:
Release Date : 2014

Characteristics Based Radiative Transfer For Parallel Adaptive Mesh Refinement Hydrodynamics written by Lars Buntemeyer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.

Parallel Adaptive Mesh Refinement And Redistribution On Distributed Memory Computers

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Author :
language : en
Publisher:
Release Date : 1993

Parallel Adaptive Mesh Refinement And Redistribution On Distributed Memory Computers written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.

A procedure to support parallel refinement and redistribution of two dimensional unstructured finite element meshes on distributed memory computers is presented. The procedure uses the mesh topological entity hierarchy as the underlying data structures to easily support the required adjacency information. Mesh refinement is done by employing links back to the geometric representation to place new nodes on the boundary of the domain directly on the curved geometry. The refined mesh is then redistributed by an iterative heuristic based on the Leiss/Reddy 9 load balancing criteria. A fast parallel tree edge-coloring algorithm is used to pair processors having adjacent partitions and forming a tree structure as a result of Leiss/Reddy load request criteria. Excess elements are iteratively migrated from heavily loaded to less loaded processors until load balancing is achieved. The system is implemented on a massively parallel MasPar MP-1 system with a SIMD style of computation and uses message passing primitives to migrate elements during the mesh redistribution phase. Performance results of the redistribution heuristics on various test meshes are given.