Abstract
The majority of standard underwater propagation models provide a two‐dimensional (range and depth) acoustic field for a single frequency point source. Computational resource demand increases considerably when the three‐dimensional acoustic field of a broad‐band spatially extended source is of interest. An upgrade of the standard parabolic equation model RAM for use in a high‐performance computing (HPC) environment is discussed. A benchmarked upgraded version of RAM is used in the Louisiana Optical Network Initiative HPC‐environment to model the three‐dimensional acoustic field of a seismic airgun array. Four‐dimensional visualization (time and space) of the generated data volume is also addressed. [Research supported by the Louisiana Optical Network Initiative, TeraGrid Fellowship, and the Joint Industry Programme through the International Association of Oil and Gas Producers.]
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