A thermostat closure for point vortices

Dubinkina, Svetlana; Frank, Jason; Leimkuhler, Ben

Using the point vortex flow on a disc as a prototype, we present a closure for incompressible ideal fluid flow in the form of a generalized thermostating device. The thermostat can model either an infinite or finite reservoir. The thermostat variables are stochastically forced. Numerical experiments are in excellent agreement with the two-scale simulations of Bühler (Phys. Fluids, 2002).

Additional Metadata
Keywords	thermostat methods, point vortex fluid, closure models, geophysical fluid dynamics
MSC	Hamiltonian systems including symplectic integrators (msc 65P10), Meteorology and atmospheric physics (msc 86A10)
Publisher	CWI
Series	Modelling, Analysis and Simulation [MAS]
Note	Supported by the Research Council for Earth and Life Sciences (ALW) with financial aid from the Netherlands Organization for Scientific Research (NWO).
Organisation	Computational Dynamics
Citation APA APA Style APA-ALL Style AAA Style Cell Style Chicago Style Harvard Style IEEE Style MLA Style Nature Style Vancouver Style American-Institute-of-Physics Style Council-of-Science-Editors Style BibTex Format Endnote Format RIS Format CSL Format DOIs only Format	Dubinkina, S., Frank, J.& Leimkuhler, B. (2009). A thermostat closure for point vortices. In Modelling, Analysis and Simulation [MAS] (E0909). CWI.

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