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Computation of External Automobile Body Shapes
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English
Abstract
A new computational software system called UNIS which integrates grid generation, boundary condition and problem setup, flow simulation, data post-processing, and visualization has been used to compute three dimensional turbulent flow over three external automobile body shapes: (1) station wagon; (2) sedan; (3) sedan with wheels. A modified Baldwin-Lomax turbulence model was used. Surface pressure coefficients along several surface lines compare well with experimental data.
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Citation
Ota, D., Ramakrishnan, S., Szema, K., Chakravarthy, S. et al., "Computation of External Automobile Body Shapes," SAE Technical Paper 932887, 1993, https://doi.org/10.4271/932887.Also In
References
- Herbst, K. “Computational Fluid Dynamics in Japan” Supercomputing Review January 1992
- Chakravarthy, S.R. Szema, K.-Y. “Unified ‘Nose-to- Tail’ Computational Method for Hypersonic Vehicle Applications,” AIAA Paper 88-2564 1988
- Rockwell Science Center CFD Department “UNISG User Manual” January 1993
- Rockwell Science Center CFD Department “UNISBC User Manual” January 1993
- Rockwell Science Center CFD Department “UNIS User Manual” December 1992
- Rockwell Science Center CFD Department “UNISP User Manual” February 1993
- Rockwell Science Center CFD Department “GLIMPSE User Manual” December 1992
- Surface Geometry and Wind Tunnel Data provided by Centro Ricerche Fiat 1992