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A Global, Multi-Resolution Approach to Regional Ocean Modeling

By Qiang Du

Abstract

In this collaborative research project between Pennsylvania State University, Colorado State University and Florida State University, we mainly focused on developing multi-resolution algorithms which are suitable to regional ocean modeling. We developed hybrid implicit and explicit adaptive multirate time integration method to solve systems of time-dependent equations that present two signi#12;cantly di#11;erent scales. We studied the e#11;ects of spatial simplicial meshes on the stability and the conditioning of fully discrete approximations. We also studies adaptive #12;nite element method (AFEM) based upon the Centroidal Voronoi Tessellation (CVT) and superconvergent gradient recovery. Some of these techniques are now being used by geoscientists(such as those at LANL)

Topics: 58 Geosciences Regional Climate Model, Multirate Algorithms, Adaptive Numerical Methods, 97 Mathematics And Computing, Regional Climate Model, Multirate Algorithms, Adaptive Numerical Methods
Publisher: The Pennsylvania State University
Year: 2013
DOI identifier: 10.2172/1107781
OAI identifier:
Provided by: UNT Digital Library
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