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SUMMARY:Dynamical Core Developments at KIAPS - Tae-Jin Oh\,   (Korea Insti
 tute of Atmospheric Prediction Systems (KIAPS))
DTSTART:20120924T153500Z
DTEND:20120924T160000Z
UID:TALK40017@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Korea Institute of Atmospheric Prediction Systems (KIAPS) is a
  new organization founded to develop the next generation operational numer
 ical weather prediction (NWP) model for Korea Meteorological Administratio
 n (KMA). With the increasing demand for global high-resolution simulation\
 , scalability becomes an important issue and highly scalable numerical met
 hods such as spectral element (continuous Galerkin\, CG) or discontinuous 
 Galerkin (DG) methods are gaining interest. Although conventional finite d
 ifference (FD) or finite volume (FV) methods offer excellent efficiency\, 
 it is difficult to formulate high order schemes on nonorthogonal grid stru
 ctures which is needed to avoid grid singularities. On the other hand\, CG
 /DG methods are not constrained to lower order on unstructured\, nonorthog
 onal grids. We present high order convergence properties of CG/DG methods 
 for advection\, shallow water equations on structured and/or unstructured 
 grids in one and/or two dimensions. In order t o match the high order spat
 ial truncation error\, an explicit general order m-stage m1 order strong s
 tability preserving (SSP) Runge-Kutta time integrator is used. With this s
 etup\, we can obtain arbitrary order convergence rates.\n\n\n
LOCATION:Seminar Room 1\, Newton Institute
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