PSU Mark
Eberly College of Science Mathematics Department

Meeting Details

For more information about this meeting, contact Xiantao Li, Yuxi Zheng, Kris Jenssen, Jinchao Xu, Hope Shaffer.

Title:Schur Complements and applications to Non-Symmetric SPP
Seminar:Computational and Applied Mathematics Colloquium
Speaker:Constantin Bacuta, University of Delaware
Abstract:
We introduce and analyze Uzawa algorithms for non-symmetric saddle point systems. Convergence for the algorithms is established based on new spectral results about Schur complements. A new Uzawa type algorithm with optimal relaxation parameters at each new iteration is introduced and analyzed in a general framework. The discrete (LBB) stability condition is mot required. Numerical results supporting the efficiency of the algorithms are presented for finite element discretization of steady state Navier-Stokes equations. This is joint work with Brendan McCracken (REU) and Lu Shu (GEMS-UDEL).

Room Reservation Information

Room Number:MB106
Date:01 / 28 / 2011
Time:03:35pm - 04:25pm