TACC seminar: Victor Eijkhout and Jason Kurtz/TACC and ICES Sparse Direct Factorizations Based on Unassembled Hyper-Matrices J.J. Pickle Research Campus Commons Bldg CMS 1.142
Victor Eijkhout and Jason Kurtz
Speaker Affiliation: TACC and ICES<
Date: October 13 2006
Start Time: 10:00a.m.
n: J.J. Pickle Research Campus Commons Bldg CMS 1.142
rt van de Geijn
Talk Title: Sparse Direct Factorizations Based on U
For dynamic Finite Eleme
nt Method applications existing
sparse direct solvers can be said to s
olve the wrong problem.
They optimize the solution of a single linear s
the real problem is to solve a series of systems that are
derived from gradual h/p refinement of a FEM discretization.
pose a new type of direct sparse solver that is able
to reuse the parts
of the factorization corresponding to
the not refined parts of the dom
ain. Such a solver is eminently
suited to the dynamic case and we will
that even for a single system it is space and time ef
Furthermore it integrates in a natural way in the workflow of the dynamic application.
Victor Eijkhout is
a research scientist at the Texas Advanced
son Kurtz is a graduate student at the Institute for Computational
neering and Sciences.
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