Abstract
This paper documents the use of the massively parallel Connection Machine to solve the Boltzmann equation modeling ID shock wave structure. The Bhatnagar-Gross-Krook (BGK) model for the collision term combined with a finite difference scheme, was used to model the flow. This collision term requires accurate knowledge of the density, temperature, and mean velocity. Great care must be taken in their calculation to insure conservation, which proved to be the most difficult part. The algorithm, however, is well suited to the Connection Machine, and accurate results were obtained with great efficiency. The code was written in a general form to be readily extended to model other flows, including 3D flows. 17 refs.
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