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Supercompact multi-wavelets for flow field simulation

Title
Supercompact multi-wavelets for flow field simulation
Author
이도형
Keywords
Wavelets; Multiresolution; Data compression
Issue Date
2001-09
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
Computers & Fluids, v. 30, issue. 7-8, page. 783-805
Abstract
A supercompact multiwavelet scheme for computational fluid dynamics is presented. Beam and Warmings supercompact wavelet method is an appropriate wavelet for fluid simulation data in the sense that it can provide compact support. The compactness of the wavelets avoids unnecessary interaction with remotely located data (e.g. across a shock discontinuity or vortex) and significantly reduces computational data processing time. Thresholding for data compression with the supercompact wavelets is applied based on a covariance vector structure of multiwavelets. The extension of this scheme to three dimensions is analyzed. Numerical tests demonstrate that the analytic advantages actually result in large data compression ratios. (C) 2001 Elsevier Science Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0045793001000299https://repository.hanyang.ac.kr/handle/20.500.11754/160194
ISSN
0045-7930; 1879-0747
DOI
10.1016/S0045-7930(01)00029-9
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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