The virtual windtunnel: an environment for the exploration of three-dimensional unsteady flows

Authors:
Steve Bryson;Creon Levit
Affiliations:
NASA Ames Research Center, Moffett Field, Ca.;NASA Ames Research Center, Moffett Field, Ca.
Venue:
VIS '91 Proceedings of the 2nd conference on Visualization '91
Year:
1991

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Abstract

We describe a recently completed implementation of a virtual environment for exploring numerically-generated three-dimensional unsteady flowfields. A boom-mounted six degree of freedom head-position-sensitive stereo CRT system is used for viewing. A hand position sensitive glove controller is used for injecting various tracers (e.g., "smoke") into the virtual flowfield. A mutiprocessor graphics workstation is used for computation and rendering. We describe our techniques for visualizing unsteady flows and discuss the computer requirements for a variety of visualization techniques. These techniques generalize to visualization of other three-dimensional vector fields.