Preconditioned Eigensolver Lobpcg In Hypre And Petsc
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Domain Decomposition Methods In Science And Engineering Xvi
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Author : Olof Widlund
language : en
Publisher: Springer Science & Business Media
Release Date : 2007-07-30
Domain Decomposition Methods In Science And Engineering Xvi written by Olof Widlund 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 2007-07-30 with Technology & Engineering categories.
Domain decomposition is an active research area concerned with the development, analysis, and implementation of coupling and decoupling strategies in mathematical and computational models of natural and engineered systems. The present volume sets forth new contributions in areas of numerical analysis, computer science, scientific and industrial applications, and software development.
Preconditioned Eigensolver Lobpcg In Hypre And Petsc
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Author : Ilya Lashuk
language : en
Publisher:
Release Date : 2005
Preconditioned Eigensolver Lobpcg In Hypre And Petsc written by Ilya Lashuk and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Eigenvalues categories.
Preliminary results of an ongoing project to develop codes of the Locally Optimal Block Preconditioned Conjugate Gradient (LOBPCG) method for symmetric eigenvalue problems for hypre and PETSc software packages. hypre and PETSc provide high quality domain decomposition and multigrid preconditioning for parallel computers.
Siam Journal On Scientific Computing
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Author :
language : en
Publisher:
Release Date : 2008
Siam Journal On Scientific Computing written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Mathematical statistics categories.
Adaptive Coarse Space Selection In The Bddc And The Feti Dp Iterative Substructuring Methods
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Author : Jan Mandel
language : en
Publisher:
Release Date : 2005
Adaptive Coarse Space Selection In The Bddc And The Feti Dp Iterative Substructuring Methods written by Jan Mandel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Decomposition method categories.
"We propose adaptive selection of the coarse space of the BDDC and FETI-DP iterative substructuring methods by adding coarse degrees of freedom (dofs) on faces between substructures constructed using eigenvectors associated with the faces."--Authors' abstract.
A Stochastic Differential Equation Approach For Modeling Of Napl Flow In Heterogeneous Porous Media
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Author : David W. Dean
language : en
Publisher:
Release Date : 2005
A Stochastic Differential Equation Approach For Modeling Of Napl Flow In Heterogeneous Porous Media written by David W. Dean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Multiphase flow categories.
Presents a stochastic differential equation approach to multiphase flow, a typical example of which is flow in the unsaturated domain. Specifically, a two phase problem is studied which consists of a wetting phase and a nonwetting phase. The approach given results in a nonlinear stochastic differential equation describing the position of the non-wetting phase fluid particle.
A Semimartingale Approach For Modeling Multiphase Flow In Heterogenous Porous Media
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Author : David W. Dean
language : en
Publisher:
Release Date : 2005
A Semimartingale Approach For Modeling Multiphase Flow In Heterogenous Porous Media written by David W. Dean and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Fluids categories.
This paper is a follow-up to Dean and Russell's in which the formulation of a model of NAPL (Non-Aqueous Phase Liquid) flow in heterogeneous porous media is based on the traditional argument of developing a Fokker-Planck equation for a diffusion process and then modifying this equation to handle the behavior of the fluid particle at an interface between sands of different permeabilities. In this paper, an attempt is made to accomplish the same result starting with a theory of stochastic processes that allows jumps.--Authors' abstract.
Accelerator Programming Using Directives
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Author : Sandra Wienke
language : en
Publisher: Springer Nature
Release Date : 2020-06-24
Accelerator Programming Using Directives written by Sandra Wienke and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-24 with Computers categories.
This book constitutes the refereed post-conference proceedings of the 6th International Workshop on Accelerator Programming Using Directives, WACCPD 2019, held in Denver, CO, USA, in November 2019. The 7 full papers presented have been carefully reviewed and selected from 13 submissions. The papers share knowledge and experiences to program emerging complex parallel computing systems. They are organized in the following three sections: porting scientific applications to heterogeneous architectures using directives; directive-based programming for math libraries; and performance portability for heterogeneous architectures.
Majorization For Changes In Angles Between Subspaces Ritz Values And Graph Laplacian Spectra
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Author : Andrew V. Knyazev
language : en
Publisher:
Release Date : 2005
Majorization For Changes In Angles Between Subspaces Ritz Values And Graph Laplacian Spectra written by Andrew V. Knyazev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Inequalities (Mathematics) categories.
"Many inequality relations between real vector quantities can be succinctly expressed as 'weak (sub)majorization' relations. We explain these ideas and apply them in several areas: angles between subspaces, Ritz values, and graph Laplacian spectra, which we show are all surprisingly related."--Authors' abstract.
Demonstrating The Validity Of A Wildfire Ddas
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Author : Craig C. Douglas
language : en
Publisher:
Release Date : 2006
Demonstrating The Validity Of A Wildfire Ddas written by Craig C. Douglas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Weather forecasting categories.
"We report on an ongoing effort to build a Dynamic Data Driven Application System (DDDAS) for short-range forecast of weather and wildfire behavior from real-time weather data, images, and sensor streams. The system changes the forecast as new data is received. We encapsulate the model code and apply an ensemble Kalman filter in time-space with a highly parallel implementation. In this paper, we discuss how we will demonstrate that our system works using a DDDAS testbed approach and data collected from an earlier fire."--Authors' abstract.
Mathematical Reviews
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Author :
language : en
Publisher:
Release Date : 2008
Mathematical Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Mathematics categories.