Abstract
The three-dimensional orthogonal wavelet multi-resolution technique was applied to analyze flow structures of various scales around an externally mounted vehicle mirror. Firstly, three-dimensional flow of the mirror wake was numerically analyzed by using the large eddy simulation (LES). Then, the instantaneous velocity and vorticity were decomposed into the large-, intermediate-, and relatively small-scale components by the wavelet multi-resolution technique. It was found that a three-dimensional large-scale vertical vortex dominates the mirror wake flow and makes a main contribution to vorticity. Some intermediate- and relatively small-scale vortices were extracted and were clearly identifiable.
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Rinoshika, A., Zheng, Y. (2014). Three-Dimensional Wavelet Multi-resolution Analysis of Flow Structures Behind a Vehicle External Mirror. In: Zhou, Y., Liu, Y., Huang, L., Hodges, D. (eds) Fluid-Structure-Sound Interactions and Control. Lecture Notes in Mechanical Engineering. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-40371-2_10
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DOI: https://doi.org/10.1007/978-3-642-40371-2_10
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Online ISBN: 978-3-642-40371-2
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