Large Scale Flowfield Simulation using the CYBER 205

Abstract

The large-scale numerical simulation of fluid flow is described as a discipline within the field of software engineering. As an example of such work, a vortex flowfield is analyzed for its essential physical flow features, an appropriate mathematical description is presented (the Euler equations with an artificial viscosity model), a numerical algorithm to solve the mathematical equations is described, and the programming methodology is discussed in order to attain a very high degree of vectorization on the CYBER 205. Two simulated flowfields with vorticity are presented to verify the realism of the simulation model. The computed solutions show all the qualitative features that are expected in these flows.