Object-Oriented SPH-Simulations with Surface Tension

S. Ganzenmüller, A. Nagel, S. Holtwick, W. Rosenstiel and H. Ruder
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S. Ganzenmüller: Universität Tübingen, Wilhelm-Schickard-Institut für Informatik
A. Nagel: Universität Tübingen, Wilhelm-Schickard-Institut für Informatik
S. Holtwick: Universität Tübingen, Institut für Astronomie und Astrophysik
W. Rosenstiel: Universität Tübingen, Wilhelm-Schickard-Institut für Informatik
H. Ruder: Universität Tübingen, Institut für Astronomie und Astrophysik

A chapter in High Performance Computing in Science and Engineering ’06, 2007, pp 69-82 from Springer

Abstract: Summary Today object-oriented software development is well established in industry and research and has replaced procedural techniques. Nevertheless there is a lack of integration of object-oriented concepts in parallel scientific applications and the underlying parallelization libraries. To benefit from advantages of objectoriented programming like easy configurability and good extensibility, we implemented a framework for SPH simulations to support the ongoing development of the SPH method. We used the high performance systems at HLRS during the last year to test our object-oriented approach and the influences of several configurations on the runtimes and speedup on different machines. We integrated parallel I/O and surface tension in our framework and show first results. The implementation of object-oriented parallel I/O improved the performance significantly. The next step is to optimize and advance the surface tension model.

Date: 2007
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DOI: 10.1007/978-3-540-36183-1_6

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