UNIVERSITY OF COLORADO AT DENVER

PLACE: Mathematics Conference Room 626 UCD Building, 1250 14th St., Denver

TIME: NOON (Refreshments served at 11:45 am)

DATE: Oct. 9, 2000

Title:  Linear Stability Analysis of Large-Scale Incompressible Flow 
        Calculations on Massively Parallel Computers



Speaker:
        R. B. Lehoucq
        Sandia National Laboratories
        rblehou@sandia.gov

 


Abstract:
In this talk I will consider the numerical solution of a generalized
unsymmetric eigenvalue problem.  The problem arises from examining the
stability of steady two- and three-dimensional fluid flow to small 
disturbances.  I'll discuss a collaboration to develop an efficient and
reliable eigensolver for use by massively parallel CFD codes.  The success 
of the methodology is demonstrated by computing the Hopf bifurcation
for a representative CVD reactor.  This involved computing several
eigenvalues for eigen-systems of order one million using up to 
1000 processors.