| NORMAL MODES OF FLUID-STRUCTURE INTERACTION IN INTERNAL FLOWS |
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| 作者姓名： | Zhang Li-xiangYunnan Polytechnic University Kunming P. R. China.Huang Wen-huHarbin Institute of Technology Harbin P. R. ChinaArris S. Tijsseling Alan E. VardyUniversity of Dundee Dundee DDHN Scotland UK |
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| 作者单位： | Zhang Li-xiangYunnan Polytechnic University，Kunming 650051，P. R. China.Huang Wen-huHarbin Institute of Technology，Harbin 150001，P. R. ChinaArris S. Tijsseling，Alan E. VardyUniversity of Dundee，Dundee DD14HN，Scotland，UK |
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| 摘 要： | As an important cornerstone, the methodology of normal modal analysis plays a quite important role in dynamic analyses of linear vibrating systems, and makes much easy to access an understanding of frequency-domain characteristics of the systems. However, most reported work on fluid-structure interaction (FSI) in liquid-filled pipes has been directly carried out in the time domain. When needed, information in the frequency domain has been deduced by the discrete Fourier transforms. In this paper, an analysis is undertaken directly to get modal information of FSI in internal flows and has the advantage of enabling dispersive and dissipative terms to be included in a fully coupled manner.
The development used herein highlights common features of the analysis in the frequency domain. The method is validated by comparison with an exact analytical solution, with the results obtained by the discrete Fourier transform from an analysis using the method of characteristics and by comparison with measured data fr
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NORMAL MODES OF FLUID-STRUCTURE INTERACTION IN INTERNAL FLOWS |
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| Zhang Li-xiangYunnan Polytechnic University,Kunming ,P. R. China.Huang Wen-huHarbin Institute of Technology,Harbin ,P. R. ChinaArris S. Tijsseling,Alan E. VardyUniversity of Dundee,Dundee DDHN,Scotland,UK.NORMAL MODES OF FLUID-STRUCTURE INTERACTION IN INTERNAL FLOWS[J].Journal of Hydrodynamics,1998(4). |
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| Authors: | Zhang Li-xiangYunnan Polytechnic University Kunming P R ChinaHuang Wen-huHarbin Institute of Technology Harbin P R ChinaArris S Tijsseling Alan E VardyUniversity of Dundee Dundee DDHN Scotland UK |
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| Affiliation: | Zhang Li-xiangYunnan Polytechnic University,Kunming 650051,P. R. China.Huang Wen-huHarbin Institute of Technology,Harbin 150001,P. R. ChinaArris S. Tijsseling,Alan E. VardyUniversity of Dundee,Dundee DD14HN,Scotland,UK |
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| Abstract: | As an important cornerstone, the methodology of normal modal analysis plays a quite important role in dynamic analyses of linear vibrating systems, and makes much easy to access an understanding of frequency-domain characteristics of the systems. However, most reported work on fluid-structure interaction (FSI) in liquid-filled pipes has been directly carried out in the time domain. When needed, information in the frequency domain has been deduced by the discrete Fourier transforms. In this paper, an analysis is undertaken directly to get modal information of FSI in internal flows and has the advantage of enabling dispersive and dissipative terms to be included in a fully coupled manner.The development used herein highlights common features of the analysis in the frequency domain. The method is validated by comparison with an exact analytical solution, with the results obtained by the discrete Fourier transform from an analysis using the method of characteristics and by comparison with measured data from a laboratory apparatus. |
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| Keywords: | pipe flow normal mode fluid-structure interaction |
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