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WAON_0807

Acoustics: WAON

WAON

WAON is a commercial numerical acoustic-analysis program for ultra-large-scale Simulation, that was developed through an industrial-academic joint effort by Cybernet Systems and a research group led by Associate Professor Tetsuya Sakuma of the Department of Socio-Cultural Environmental Studies of the Graduate School of Frontier Sciences of the University of Tokyo. The numerical acoustic-analysis program was officially released in January 2006.

Features

WAON is a software program designed to analyze acoustic fields using the boundary element method (BEM). Because the program uses the fast multipole boundary element method (FMBEM), which is a BEM technique based on a fast multipole algorithm (FMA), it requires less time and less memory than the conventional BEM technique to perform analytical operations. For example, when a problem with 60,000 degrees of freedom is analyzed, the conventional approach requires parallel processing with eight CPUs on a 64-bit system. In contrast, WAON allows a 32-bit Windows system to analyze the problem in a single process. In addition, when WAON is used on a 64-bit system having only 8 GB of memory, it is able to perform analyses with more than 200,000 degrees of freedom.

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