Iterative Methods with Inexact Preconditioners and Applications to Saddle-point Systems & Electromagnetic Maxwell Systems Jun Zou Department of Mathematics
Builds a map (graph) an array of integers corresponding to nonzero row/column entries ... Global Map (graph) details which processor owns which entries ...
Lots of open questions & opportunities for new insights. Discrete Algorithms & Math Department ... Work supported by DOE's Applied Mathematical Science Program ...
Sandia is a multiprogram laboratory operated by Sandia ... objects as Thyra objects (The 'glue') // C) The 'Glue' code that takes Epetra objects and ...
Solved by preconditioned Krylov subspace methods ... Preconditioned solenoidal method is very effective for linear systems in inductance extraction ...
CG-method (BiCGStab) with preconditioning. Bad Orb 2003. 13. Solution of the linear systems ... Global problem indefinit: preconditioned QMR. Preconditioner: ...
IFPACK algebriac preconditioners for sparse distributed matrices ... 'Subdomain' i is identified by the rows assigned to a processor i. Minimal overlap: ...
A Solenoidal Basis Method For Efficient Inductance ... Preconditioned solenoidal method is very effective for linear systems in inductance extraction ...
Construct 'Jacobian' Use MRILU to construct corresponding preconditioner M-1. ... Dependencies for Jacobian matrix for construction of preconditioner. ...
Preconditioners for interior methods using an explicit null space basis Z (with Nick Gould) PDE optimization- with Boulder (Cai, Byrd, Prudencio) 3 ...
[Boman, Chen, Hendrickson, Toledo]: different matroid for all diagonally dominant ... [Boman]: Element-by-element preconditioner for bilinear quadrilateral elements) ...
Intro to Hypre and Useful Linear Solvers Shule Li Computational Astrophysics Group University of Rochester Part I. Intro to HYPRE (high performance preconditioners ...
LU decomposition ... Incomplete Cholesky decomposition: popular preconditioner for positive definite ... Instead, use Singular Value Decomposition (SVD) ...
for the United States Department of Energy's National Nuclear Security ... Vortex Shedding. Predator-Prey models. Flutter. El Ni o. New Features for Trilinos 7 ...
Sandia is a multiprogram laboratory operated by Sandia Corporation, a ... incorporates our new methods and a few other methods (Elman, Silvester, Ramage) ...
Full Wave Analysis of the Contribution to the Radar Cross Section ... for the discreti- zation matrix A. The matrix has a. sparse and a. fully populated. part. ...
Symmetrized WATT. 128 positive eigenvalues. 1728 negative eigenvalues ... Symmetrized WATT already has the max weight matching of 1x1 pivots on its diagonal! ...
Linear Solvers Grant Kickoff Meeting, 9/26/06. ... of parallel sparse linear system solvers. ... Engineering problems usually produce large sparse linear systems ...
Milan D. Mihajlovic. School of Computer Science. The University of Manchester. Acknowledgements ... Alexandre Klimowicz final year PhD student for all the ...
Special Solution Strategies inside a Spectral Element Ocean Model Craig C. Douglas University of Kentucky and Yale University Gundolf Haase University Linz, Austria
Title: No Slide Title Author: Osni Marques Last modified by. Created Date: 3/17/1999 12:47:52 AM Document presentation format: On-screen Show Other titles
Applied Mathematics and Scientific Computation Program. University of Maryland. Non-zero structure of 2D Poisson Operator. Using a Spectral Element Discretization ...
Two materials in a single cell. Enforce contact condition and take implicit ... WT performs a conservative mapping from dual cells to solid surface nodes ...
Paul Boggs. Developer of TSF. Jason Cross. Developer of Jpetra. David Day ... Paul Sexton. Developer of Epetra and Tpetra. Ken Stanley. Lead Developer of Amesos ...
Available for virtually all UNIX platforms, as well as Windows 95/NT ... Mesh and discretization tools (overture, SAMRAI) ODE solvers (PVODE) Others (Matlab, ParMETIS) ...
http://www.cs.ucsb.edu/~gilbert/cs290. The Landscape of Sparse Ax=b Solvers. Direct ... One matrix-vector multiplication per iteration. Two vector dot products ...
Iterative Solution of Linear Systems ... 2bx has a minimum when Ax = b Algorithm starts with initial guess and proceeds along a set of orthogonal search ...
Iteration Technique toward SOC. EDA Lab, Department of Computer ... ADS(Agilent Design System) Problem Size in the Future. More Than Two Billion Transistors ...
ECG is the most important tool to diagnose heart infarction and ... Pathological conditions in the heart can be diagnosed from abnormal deviations in the ECG. ...