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A Parallel Adaptive Mesh Refinement Scheme For Predicting Laminar Diffusion Flames Microform
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Author :Scott A. (Scott Andrew) Northrup Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612914162 Total Pages :128 pages Book Rating :4.9/5 (141 download)
Book Synopsis A Parallel Adaptive-mesh Refinement Scheme for Predicting Laminar Diffusion Flames [microform] by : Scott A. (Scott Andrew) Northrup
Download or read book A Parallel Adaptive-mesh Refinement Scheme for Predicting Laminar Diffusion Flames [microform] written by Scott A. (Scott Andrew) Northrup and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 2004 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: A parallel block-based adaptive mesh refinement (AMR) scheme is described and applied to the prediction of the structure of non-premixed axisymmetric methane-air laminar diffusion flames. The parallel solution-adaptive algorithm solves the system of partial-differential equations governing two-dimensional axisymmetric compressible laminar flows for reactive thermally perfect gaseous mixtures. A finite-volume spatial discretization procedure is used to solve the equations on a body-fitted multi-block quadrilateral mesh. Limited piecewise linear solution reconstruction and Riemann solver based flux functions are used to evaluate the inviscid fluxes and a centrally weighted second-order discretization procedure is adopted for determining the viscous fluxes. A flexible block-based hierarchical data structure facilitates mesh adaptation, and enables efficient and scalable implementations of the algorithm on multi-processor architectures via domain decomposition. Numerical results are discussed for a co-flow laminar diffusion flame demonstrating the validity of the parallel AMR approach and the ability of the mesh adaption scheme to resolve fine-scale features of the solution.
Book Synopsis A Parallel Implicit Adaptive Mesh Refinement Algorithm for Predicting Unsteady Fully-compressible Reactive Flows by : Scott Andrew Northrup
Download or read book A Parallel Implicit Adaptive Mesh Refinement Algorithm for Predicting Unsteady Fully-compressible Reactive Flows written by Scott Andrew Northrup and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Parallel Solution-adaptive Method for Turbulent Non-premixed Combusting Flows by : Xinfeng Gao
Download or read book A Parallel Solution-adaptive Method for Turbulent Non-premixed Combusting Flows written by Xinfeng Gao and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: A parallel adaptive mesh refinement (AMR) algorithm is proposed and applied to the prediction of steady turbulent non-premixed compressible combusting flows in both two and three space dimensions. The parallel solution-adaptive algorithm solves the system of partial-differential equations governing turbulent compressible flows of reactive thermally perfect gaseous mixtures using a fully coupled finite-volume formulation on body-fitted multi-block quadrilateral and hexahedral meshes. The compressible formulation adopted herein can readily accommodate large density variations and thermo-acoustic phenomena. A preconditioned multigrid algorithm is used to obtain the solution on highly stretched meshes in a more efficient manner. A flexible block-based hierarchical data structure is used to maintain the connectivity of the solution blocks in the multi-block mesh and to facilitate automatic solution-directed mesh adaptation according to physics-based refinement criteria. For calculations of near-wall turbulence, an automatic near-wall treatment readily accommodates situations during adaptive mesh refinement where the mesh resolution may not be sufficient for directly calculating near-wall turbulence using the low-Reynolds-number formulation. Numerical results for turbulent diffusion flames, including cold- and hot-flow predictions for a bluff-body burner, are described and compared to available experimental data. The numerical results demonstrate the validity and potential of the parallel AMR approach for predicting fine-scale features of complex turbulent non-premixed flames.
Book Synopsis Adaptive Mesh Refinement - Theory and Applications by : Tomasz Plewa
Download or read book Adaptive Mesh Refinement - Theory and Applications written by Tomasz Plewa and published by Springer Science & Business Media. This book was released on 2005-12-20 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis A Parallel Adaptive Mesh Refinement Algorithm by : James J. Quirk
Download or read book A Parallel Adaptive Mesh Refinement Algorithm written by James J. Quirk and published by . This book was released on 1993 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis PARAMESH: A Parallel Adaptive Mesh Refinement Community Toolkit by :
Download or read book PARAMESH: A Parallel Adaptive Mesh Refinement Community Toolkit written by and published by . This book was released on 1999 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Parallel Anisotropic Block-Based Adaptive Mesh Refinement Finite-Volume Scheme by : Jenmy Zimi Zhang
Download or read book Parallel Anisotropic Block-Based Adaptive Mesh Refinement Finite-Volume Scheme written by Jenmy Zimi Zhang and published by . This book was released on 2011 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: A novel anisotropic adaptive mesh refinement (AMR) technique is proposed and de- scribed. A block-based AMR approach is used which permits highly efficient and scalable implementations on parallel computer architectures and the use of multi-block, body-fitted computational grids for the treatment of complex geometries. However, rather than adopting the more usual isotropic approach to the refinement of the grid blocks, the proposed approach uses a binary hierarchical tree data structure that allows for anisotropic refinement of the grid blocks in each of the coordinate directions in an inde- pendent fashion. This allows for more efficient and accurate treatment of narrow layers, discontinuities, and/or shocks in the solutions which occur, for example, in the thin boundary and mixing layers of high-Reynolds-number viscous flows and in the regions of strong non-linear wave interactions of high-speed compressible flows with shocks. The anisotropic AMR technique is implemented within an existing finite-volume framework, which encompasses both explicit and implicit solution methods, and is capable of per- forming calculations with both second- and higher-order spatial accuracy. To clearly demonstrate the potential and feasibility of the proposed AMR technique, it is applied to the unsteady and steady-state solutions of both a model system, the advection diffusion equation, as well as the Euler equations governing compressible, inviscid, gaseous flows, both in two space dimensions.
Book Synopsis ADAPTIVE MESH REFINEMENT FOR PARALLEL PROCESSORS by : MARSHA J. BERGER
Download or read book ADAPTIVE MESH REFINEMENT FOR PARALLEL PROCESSORS written by MARSHA J. BERGER and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Scalability of Parallel Adaptive Mesh Refinement with Uintah by : Justin Paul Luitjens
Download or read book The Scalability of Parallel Adaptive Mesh Refinement with Uintah written by Justin Paul Luitjens and published by . This book was released on 2011 with total page 147 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Parallel, Block-based, Adaptive Mesh Refinement, Finite-volume Scheme for Solution of Three-dimensional Favre-averaged Navier-Stokes Equations by : Shawn Shamendra Prasad
Download or read book Parallel, Block-based, Adaptive Mesh Refinement, Finite-volume Scheme for Solution of Three-dimensional Favre-averaged Navier-Stokes Equations written by Shawn Shamendra Prasad and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptive Mesh Refinement Based on a Posteriori Error Estimation by : Martin Juhas
Download or read book Adaptive Mesh Refinement Based on a Posteriori Error Estimation written by Martin Juhas and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Parallel Adaptive Mesh Refinement Algorithms for Unstructured 2D Meshes by : Mustafa Keskin
Download or read book Parallel Adaptive Mesh Refinement Algorithms for Unstructured 2D Meshes written by Mustafa Keskin and published by . This book was released on 1994 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A 3D Parallel Adaptive Mesh Refinement Method for Fluid Structure Interaction by : Jean-Noël Pederzani
Download or read book A 3D Parallel Adaptive Mesh Refinement Method for Fluid Structure Interaction written by Jean-Noël Pederzani and published by . This book was released on 2009 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Load Balancing for Parallel Adaptive Mesh Refinement by : Xiangyang Li
Download or read book Dynamic Load Balancing for Parallel Adaptive Mesh Refinement written by Xiangyang Li and published by . This book was released on 2000 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Parallel Adaptive Mesh Refinement Techniques for Plasticity Problems by :
Download or read book Parallel Adaptive Mesh Refinement Techniques for Plasticity Problems written by and published by . This book was released on 1997 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author :Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory Publisher : ISBN 13 : Total Pages :13 pages Book Rating :4.:/5 (123 download)
Book Synopsis Adaptive Mesh Refinement for Parallel Processors by : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Download or read book Adaptive Mesh Refinement for Parallel Processors written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1987 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory Publisher : ISBN 13 : Total Pages :0 pages Book Rating :4.:/5 (123 download)
Book Synopsis Adaptive Mesh Refinement for Parallel Processors by : Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory
Download or read book Adaptive Mesh Refinement for Parallel Processors written by Courant Institute of Mathematical Sciences. Ultracomputer Research Laboratory and published by . This book was released on 1987 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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