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SUMMARY:Arnout Franken (University of Twente)
DTSTART:20240930T111500Z
DTEND:20240930T120000Z
DTSTAMP:20260417T004554Z
UID:cam/42
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/cam/42/">Cas
 imir-preserving numerical methods for global geophysical fluid dynamics</a
 >\nby Arnout Franken (University of Twente) as part of CAM seminar\n\nLect
 ure held in MV:L14.\n\nAbstract\nIn this talk\, I will present the develop
 ment of novel structure-preserving numerical methods for simulating global
  geophysical fluid dynamics. The methods are derived using a geometric app
 roach to the quasi-geostrophic (QG) equations on a sphere\, revealing thei
 r Lie-Poisson structure. This leads to energy and enstrophy-conserving num
 erical methods that also preserve higher-order invariants\, known as Casim
 irs. These methods enable long-time simulations and are applied to study g
 eostrophic turbulence and its properties\, zonal jet formation\, and criti
 cal latitudes in both single- and multi-layer models. I'll discuss both th
 e development of the numerical methods and findings from simulations\, inc
 luding insights into the role of geostrophic balance and stratification in
  large-scale global fluid dynamics.\n
LOCATION:https://researchseminars.org/talk/cam/42/
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