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Journal of the Korea Institute of Military Science and Technology 2010;13(1):164-169.
Analysis and Reconstruction of the 2-D Cylinder Wake Flow Using POD
Hui-Nam Rhee, Gi-Hee Kim
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적합직교분해를 이용한 2차원 실린더 후류 유동장 분석 및 재구성
이희남, 김기희
1순천대학교 기계우주항공공학부
2순천대학교 대학원
Abstract
Proper Orthogonal Decomposition (POD) is applied to the analysis of 2-dimensional cylinder wake flow. Time histories of flow variables were obtained by the incompressible CFD analysis. By using the method of snapshots the correlation matrix was constructed, and then eigenvalues, POD modes and time coefficients were calculated. Finally the flow field was reconstructed by using a few of the lower POD modes, and compared to the original ones.
Key Words: POD, Proper Orthogonal Decomposition, Method of Snapshot, CFD, Eigenvalue, Mode, Reconstruction
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