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Finite element exterior calculus framework for geophysical fluid dynamics

Presented by: 
Colin Cotter Imperial College London
Date: 
Monday 24th September 2012 - 11:20 to 11:45
Venue: 
INI Seminar Room 1
Session Title: 
Horizontal Session
Abstract: 
We present a finite element framework that extends the mimetic approach of Ringler, Thuburn, Skamarock and Klemp (2010) to finite element methods. The framework preserves the following benefits of the mimetic approach: local mass conservation, steady geostrophic linear modes on the f-plane, consistent conservative potential vorticity advection, but allows for selection of higher-order finite element discretisations and adjustment of the balance of vorticity and mass degrees of freedom. We will explain the foundations of the framework and present some preliminary numerical results which form part of the UK Met Office/NERC/STFC GungHo dynamical core project.
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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