A Parallel Adaptive Mesh Refinement Algorithm
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A Parallel Adaptive Mesh Refinement Algorithm
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Author : National Aeronautics and Space Adm Nasa
language : en
Publisher:
Release Date : 2018-10-21
A Parallel Adaptive Mesh Refinement Algorithm written by National Aeronautics and Space Adm Nasa and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-10-21 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.
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.
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.
Parallel Algorithms For Adaptive Mesh Refinement
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Author :
language : en
Publisher:
Release Date : 1997
Parallel Algorithms For Adaptive Mesh Refinement 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.
Computational methods based on the use of adaptively constructed nonuniform meshes reduce the amount of computation and storage necessary to perform many scientific calculations. The adaptive construction of such nonuniform meshes is an important part of these methods. In this paper, the authors present a parallel algorithm for adaptive mesh refinement that is suitable for implementation on distributed-memory parallel computers. Experimental results obtained on the Intel DELTA are presented to demonstrate that, for scientific computations involving the finite element method, the algorithm exhibits scalable performance and has a small run time in comparison with other aspects of the scientific computations examined. It is also shown that the algorithm has a fast expected running time under the P-RAM computation model.
Parallel Object Oriented Adaptive Mesh Refinement
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Author :
language : en
Publisher:
Release Date : 1997
Parallel Object Oriented Adaptive Mesh Refinement 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.
In this paper we study adaptive mesh refinement (AMR) for elliptic and hyperbolic systems. We use the Asynchronous Fast Adaptive Composite Grid Method (AFACX), a parallel algorithm based upon the of Fast Adaptive Composite Grid Method (FAC) as a test case of an adaptive elliptic solver. For our hyperbolic system example we use TVD and ENO schemes for solving the Euler and MHD equations. We use the structured grid load balancer MLB as a tool for obtaining a load balanced distribution in a parallel environment. Parallel adaptive mesh refinement poses difficulties in expressing both the basic single grid solver, whether elliptic or hyperbolic, in a fashion that parallelizes seamlessly. It also requires that these basic solvers work together within the adaptive mesh refinement algorithm which uses the single grid solvers as one part of its adaptive solution process. We show that use of AMR++, an object-oriented library within the OVERTURE Framework, simplifies the development of AMR applications. Parallel support is provided and abstracted through the use of the P++ parallel array class.
A Parallel Implicit Adaptive Mesh Refinement Algorithm For Predicting Unsteady Fully Compressible Reactive Flows
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Author : Scott Andrew Northrup
language : en
Publisher:
Release Date : 2014
A Parallel Implicit Adaptive Mesh Refinement Algorithm For Predicting Unsteady Fully Compressible Reactive Flows written by Scott Andrew Northrup 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.
Adaptive Mesh Refinement Theory And Applications
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Author : Tomasz Plewa
language : en
Publisher: Springer Science & Business Media
Release Date : 2004-12-08
Adaptive Mesh Refinement Theory And Applications written by Tomasz Plewa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-12-08 with Mathematics categories.
Advanced numerical simulations that use adaptive mesh refinement (AMR) methods have now become routine in engineering and science. Originally developed for computational fluid dynamics applications these methods have propagated to fields as diverse as astrophysics, climate modeling, combustion, biophysics and many others. The underlying physical models and equations used in these disciplines are rather different, yet algorithmic and implementation issues facing practitioners are often remarkably similar. Unfortunately, there has been little effort to review the advances and outstanding issues of adaptive mesh refinement methods across such a variety of fields. This book attempts to bridge this gap. The book presents a collection of papers by experts in the field of AMR who analyze past advances in the field and evaluate the current state of adaptive mesh refinement methods in scientific computing.
Parallel Anisotropic Block Based Adaptive Mesh Refinement Algorithm For Three Dimensional Flows
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Author : Michael Williamschen
language : en
Publisher:
Release Date : 2013
Parallel Anisotropic Block Based Adaptive Mesh Refinement Algorithm For Three Dimensional Flows written by Michael Williamschen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
Scalable Algorithms For Parallel Tree Based Adaptive Mesh Refinement With General Element Types
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Author : Johannes Holke
language : en
Publisher:
Release Date : 2018
Scalable Algorithms For Parallel Tree Based Adaptive Mesh Refinement With General Element Types written by Johannes Holke and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.