Abstract
We have discussed the parallelisation of a 2D ADI solver for the Shallow Water Equations. The tridiagonal systems are solved using the Thomas algorithm with data transposition, the implementation of which is rather straightforward. For the tidal simulation in the Northwest European Continental Shelf Sea, a good parallel performance is achieved. We have also reported on experiments with the FORGE 90 parallelisation tool. Applications with irregular data such as the Continental Shelf Sea application, can hardly be parallelised well by using FORGE 90, mainly due to the irregularity of the data which can cause a large load imbalance. Nevertheless, the use of parallel software tools such as FORGE 90 can help to simplify the implementation work.
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References
Yu, C.S. (1993) Modelling Shelf Sea Dynamics, Ph.D Thesis, Faculty of Applied Science, K.U.Leuven, Belgium.
Z.W. Song, C.S. Yu, D. Roose and J. Berlamont, Solving the 2D shallow water equations by explicit and ADI methods on distributed memory parallel computers, In C.A. Brebbia and H. Power (Eds), Applications of Supercomputers in Engineering III, Computational Mechanics Publications, Southampton 1993, 239–2552.
Z.W. Song, C.S. Yu, D. Roose and J. Berlamont, Parallel solutions of the 2D shallow water equations on irregular domains with distributed parallel computers, In S.Y. Sam (Eds), Advances in Hydro-Science and-Engineering, Volume 1, Center for Computational Hydroscience and Engineering, The University of Mississippi 1993, 2031–2039.
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© 1995 Springer-Verlag Berlin Heidelberg
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Song, Z.W., Roose, D., Yu, C.S., Berlamont, J. (1995). Parallelisation of a hydrodynamic model for the Northwest European Continental Shelf. In: Hertzberger, B., Serazzi, G. (eds) High-Performance Computing and Networking. HPCN-Europe 1995. Lecture Notes in Computer Science, vol 919. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0046667
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DOI: https://doi.org/10.1007/BFb0046667
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