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AMM

Seminar

Modelling geophysical fluid dynamics with anisotropic adaptive mesh methods

Piggott, M (Imperial College London)
Wednesday 22 August 2012, 13:30-14:30

Seminar Room 1, Newton Institute

Abstract

Many geophysical fluid dynamics problems include large variations in spatial scales that are important to resolve in a numerical simulation. An important example being the global ocean where dynamics at spatial scales of thousands of kms has strong two-way coupling with processes occurring at the km, and sub-km, scale, e.g. boundary layers, eddies and buoyancy driven flows interacting with bathymetry. Adaptive and unstructured mesh methods represent a possible means to simulate these multi-scale systems efficiently. In addition, smaller scale processes often have high aspect ratios and hence anisotropic mesh methods should be considered. In this talk our work applying anisotropic adaptive methods to geophysical fluid dynamics problems will be reviewed. A series of recent applications will also be presented.

Video

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