Aerodynamic Performance Evaluation System at the Early Concept Stage of Automotive Styling Development Based on CFD

Paper #:
  • 2016-01-1584

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-1584
Citation:
Ando, K., Kuratani, N., and Fukuda, H., "Aerodynamic Performance Evaluation System at the Early Concept Stage of Automotive Styling Development Based on CFD," SAE Technical Paper 2016-01-1584, 2016, doi:10.4271/2016-01-1584.
Pages:
9
Abstract:
An aerodynamic styling evaluation system employed at an early automotive development stage was constructed. The system based on CFD consists of exterior model morphing, computational mesh generation, flow calculation and result analysis, and the process is automatically and successively executed by process automation software. Response surfaces and a parallel coordinates chart output by the system allow users to find a well-balanced exterior form, in terms of aerodynamics and exterior styling, in a wide design space which are often arduous to be obtained by a conventional CAE manner and scale model wind tunnel testing. The system was designed so that 5-parameter study is completed within approximately two days, and consequently, has been widely applied to actual exterior styling development. An application for a hatchback vehicle is also introduced as an actual example.
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