A parallel high-order discontinuous Galerkin shallow water model

Claes Eskilsson*, Yaakoub El-Khamra, David Rideout, Gabrielle Allen, Q. Jim Chen, Mayank Tyagi

*Kontaktforfatter

Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

5 Citationer (Scopus)

Abstract

The depth-integrated shallow water equations are frequently used for simulating geophysical flows, such as storm-surges, tsunamis and river flooding. In this paper a parallel shallow water solver using an unstructured high-order discontinuous Galerkin method is presented. The spatial discretization of the model is based on the Nektar++ spectral/hp library and the model is numerically shown to exhibit the expected exponential convergence. The parallelism of the model has been achieved within the Cactus Framework. The model has so far been executed successfully on up to 128 cores and it is shown that both weak and strong scaling are largely independent of the spatial order of the scheme. Results are also presented for the wave flume interaction with five upright cylinders.

OriginalsprogEngelsk
TitelComputational Science - ICCS 2009 - 9th International Conference, Proceedings
Antal sider10
Vol/bind5544 LNCS
Publikationsdato2009
UdgavePART 1
Sider63-72
ISBN (Trykt)3642019692, 9783642019692
DOI
StatusUdgivet - 2009
Udgivet eksterntJa
Begivenhed9th International Conference on Computational Science, ICCS 2009 - Baton Rouge, LA, USA
Varighed: 25 maj 200927 maj 2009

Konference

Konference9th International Conference on Computational Science, ICCS 2009
Land/OmrådeUSA
ByBaton Rouge, LA
Periode25/05/200927/05/2009
SponsorIntel, SiCortex, National Science Foundation, Elsevier, CCT, LSU Foundation
NavnLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
NummerPART 1
Vol/bind5544 LNCS
ISSN0302-9743

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