Bildstreifen

 

 

You are here: Home » Oberseminar » Archive » SS-2010 » Buehler

 

Oberseminar Numerische Mathematik / Scientific Computing

 

Oliver Bühler

Courant Institute of Mathematical

Sobolev under the sea: the numerical solution of an ill-posed problem relevant for the ocean circulation

Abstract:

The global-scale circulation of the ocean is intimately linked to unresolvable small-scale waves, which in some sense provide the lubrication for the functioning of the circulation. An important energy source for these waves are the lunar tides, and an open problem in present-day oceanography is how this tidal wave energy is converted into the wave energy at the very small scales at which the lubrication can take place.

In this talk the interaction of tidal waves with small scale random undulations of the sea floor are investigated, which mathematically leads to an ill-posed problem of a type first studied by Sobolev. We solve this problem using a specialized numerical technique and show that the random topography is a very efficient wave energy converter and thus helps lubricating the ocean circulation.

Datum: 12.07.10
Zeit:17:00 Uhr
Ort:FU Berlin, Institut für Mathematik, Arnimallee 6, 14195 Berlin.
Raum:031 im Erdgeschoss

News




© 2007 Freie Universität Berlin Feedback | 05.01.2012