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http://dx.doi.org/10.5050/KSNVE.2014.24.3.205

Flow and Flow Noise Analysis of HSM by Using CAA++  

Kim, Young Nam (Flow & Noise Inc.)
Chae, Jun Hee (Flow & Noise Inc.)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.24, no.3, 2014 , pp. 205-212 More about this Journal
Abstract
In this paper, sunroof buffeting analysis for Hyundai simple model(HSM) is studied computationally. For validation, the velocity profile of boundary layer around the opening of HSM was obtained and compared with experimental results. The analysis of sunroof buffeting is done in two parts. First a steady state solution is obtained using the Reynolds Averaged Navier Stokes (RANS) solver, and then the computed flow field information is used as input for CAA++. Second transient simulation by CAA++ is performed for the peak sound pressure levels and peak frequencies of buffeting noise over the ranges of flow velocities. The benchmark results of frequency and sound pressure levels showed the general phenomena and matched well with the experimental data obtained by Hyundai Motor Car.
Keywords
CFD++; CAA++; NLAS; Synthetic Turbulence Model; Sunroof Buffeting; Acoustic Locked Flow;
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Times Cited By KSCI : 1  (Citation Analysis)
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