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ASME Press Select Proceedings
International Conference on Mechanical and Electrical Technology 2009 (ICMET 2009)
By
ISBN:
9780791802946
No. of Pages:
287
Publisher:
ASME Press
Publication date:
2009
eBook Chapter
21 Spectral Analysis of Finite Amplitude Random Wave Loadings
By
Guixi Li
,
Guixi Li
Institute of Higher Education
University of Jinan
Jinan, Shandong 250002
P. R. China
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Rujian Ma
,
Rujian Ma
School of Control Science and Engineering
University of Jinan
Jinan, Shandong 250002
P. R. China
; rjma@ujn.edu.cn
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Haiting Zhang
Haiting Zhang
School of Mechanical Engineering
University of Jinan
Jinan, Shandong 250002
P. R. China
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Page Count:
5
-
Published:2009
Citation
Li, G, Ma, R, & Zhang, H. "Spectral Analysis of Finite Amplitude Random Wave Loadings." International Conference on Mechanical and Electrical Technology 2009 (ICMET 2009). Ed. Li, W. ASME Press, 2009.
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The spectral analysis of finite amplitude random wave loadings are studied on this paper by means of nonlinear spectral analysis. Under the assumption of the first order wave profile being zero-mean Gaussian process, the random wave spectra of finite amplitude waves are given. The drag force is extended into power series of velocity in order to solve the loading spectra of the finite amplitude random waves. The loadings of the finite amplitude random waves are then expressed as nonlinear compositions of the first order wave profile and its derivatives. The numerical computations are carried out and the spectra of wave forces and wave moments are given.
Abstract
1 Introduction
2 Random Wave Spectra of Finite Amplitude Waves
3 Spectral Densities of Wave Loadings
4 Numerical Computations and Analysis
Conclusions
Acknowledgment
References
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