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Laplace transform integration and the slow equations

Presented by: 
Peter Lynch University College Dublin
Date: 
Wednesday 26th September 2012 - 11:35 to 12:00
Venue: 
INI Seminar Room 1
Session Title: 
Time Session
Abstract: 
We consider the Laplace transform (LT) filtering integration scheme applied to the shallow water equations, and demonstrate how it can be formulated as a finite difference scheme in the time domain by analytical inversion of the transform.

Both Eulerian and semi-Lagrangian versions of the scheme are analyzed. We show the relationship between the LT scheme and the slow equations. We demonstrate the advantages of the LT scheme by means of numerical integrations.
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Presentation Material: 
University of Cambridge Research Councils UK
    Clay Mathematics Institute The Leverhulme Trust London Mathematical Society Microsoft Research NM Rothschild and Sons