Making hybrid tsunami simulators in a parallel software framework

Authors:
Xing Cai;Hans Petter Langtangen
Affiliations:
Simula Research Laboratory, Lysaker, Norway and Department of Informatics, University of Oslo, Oslo, Norway;Simula Research Laboratory, Lysaker, Norway and Department of Informatics, University of Oslo, Oslo, Norway
Venue:
PARA'06 Proceedings of the 8th international conference on Applied parallel computing: state of the art in scientific computing
Year:
2006

Citing 1
Cited 1

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Abstract

Extending the philosophy of additive Schwarz algorithms, we propose a hybrid framework that allows different subdomains to use different mathematical models, different spatial discretizations, different local mesh types, and even different serial codes. This hybrid software framework is implemented using object-oriented techniques, such that existing serial codes are easily reused after being equipped with the standard interface of a generic subdomain solver. The resulting hybrid parallel tsunami simulator thus has full flexibility and extensibility. The focus of this paper is on the software design of the framework, with an illustrating example of application.