Get A tutorial on elliptic PDE solvers and their parallelization PDF

By Craig C. Douglas

ISBN-10: 0898715415

ISBN-13: 9780898715415

This compact but thorough instructional is the fitting creation to the fundamental suggestions of fixing partial differential equations (PDEs) utilizing parallel numerical tools. in precisely 8 brief chapters, the authors offer readers with sufficient simple wisdom of PDEs, discretization equipment, answer thoughts, parallel pcs, parallel programming, and the run-time habit of parallel algorithms so they can comprehend, enhance, and enforce parallel PDE solvers. Examples during the ebook are deliberately stored basic in order that the parallelization thoughts will not be ruled by way of technical information.

an instructional on Elliptic PDE Solvers and Their Parallelization is a precious relief for studying concerning the attainable blunders and bottlenecks in parallel computing. one of many highlights of the educational is that the direction fabric can run on a pc, not only on a parallel computing device or cluster of desktops, hence permitting readers to adventure their first successes in parallel computing in a comparatively brief period of time.

Audience This instructional is meant for complex undergraduate and graduate scholars in computational sciences and engineering; even though, it will probably even be valuable to execs who use PDE-based parallel machine simulations within the box.

Contents record of figures; record of algorithms; Abbreviations and notation; Preface; bankruptcy 1: creation; bankruptcy 2: an easy instance; bankruptcy three: creation to parallelism; bankruptcy four: Galerkin finite aspect discretization of elliptic partial differential equations; bankruptcy five: easy numerical workouts in parallel; bankruptcy 6: Classical solvers; bankruptcy 7: Multigrid equipment; bankruptcy eight: difficulties no longer addressed during this ebook; Appendix: web addresses; Bibliography; Index.

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Extra info for A tutorial on elliptic PDE solvers and their parallelization

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Chapter 4 Galerkin Finite Element Discretization of Elliptic Partial Differential Equations If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is. —John von Neumann (1903–1957) In Chapter 2, we considered the Poisson equation and the finite difference method (FDM) as the simplest method for its discretization. In this chapter, we give a brief introduction to the finite element method (FEM), which is the standard discretization technique for elliptic boundary value problems (BVPs).

We refer to the original paper [23] and the book by W. Briggs and V. Henson [15] for more details. 4 Some other discretization methods Throughout the remainder of this book we emphasize the finite element method (FEM). Before the FEM is defined in complete detail in Chapter 4, we want to show the reader one of the primary differences between it and the finite difference method (FDM). Both FDM and FEM offer radically different ways of evaluating approximate solutions to the original PDE at arbitrary points in the domain.

The single instruction, multiple data (SIMD) class has parallelism at the instruction level. This class contains computers with vector units such as the Cray T-90, and systolic array computers such as Thinking Machines Corporation (TMC) CM2 and machines by MasPar. These parallel computers execute one program in equal steps and are not in the main scope of our investigations. TMC and MasPar expired in the mid-1990s. Cray was absorbed by SGI in the late 1990s. Like a phoenix, Cray rose from its ashes in 2001.

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A tutorial on elliptic PDE solvers and their parallelization by Craig C. Douglas

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