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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.65 No.5
- 발행연도
- 2018.1
- 수록면
- 513 - 521 (9page)
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초록· 키워드
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In this paper, the resonance response of spar-type floating platform in coupled heave and pitch motion is investigated using a CPU time-effective numerical method. A coupled nonlinear 2-DOF equation of motion is derived based on the potential wave theory and the rigid-body hydrodynamics. The transient responses are solved by the fourth-order Runge-Kutta (RK4) method and transformed to the frequency responses by the digital Fourier transform (DFT), and the first-order approximation of heave response is analytically derived. Through the numerical experiments, the theoretical derivation and the numerical formulation are verified from the comparison with the commercial software AQWA. And, the frequencies of resonance arising from the nonlinear coupling between heave and pitch motions are investigated and justified from the comparison with the analytically derived first-order approximation of heave response.
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참고문헌 (26)
참고문헌 신청
Agamloh, E.B. / 2008 / Application of fluid-structure interaction simulation of an ocean wave energy extraction device / Renew. Energy 33:748~757
Ansys AQWA / 2012
Browning, J.R. / 2014 / Calibration and validation of a spar-type floating offshore wind turbine model using the FAST-dynamic simulation tool / J. Phys. Conf. Ser. 555:012015
Cho, J.R. / 2001 / Finite element techniques for the free-vibration and seismic analysis of liquidstorage tanks / Finite Elem. Anal. Des. 37:467~483
E.Y. Choi / 2015 / Numerical and experimental study on dynamic response of moored spar-type scale platform for floating offshore wind turbine / Structural Engineering and Mechanics, An Int＇l Journal 54(5):909~922
Ansys AQWA / 2012
Browning, J.R. / 2014 / Calibration and validation of a spar-type floating offshore wind turbine model using the FAST-dynamic simulation tool / J. Phys. Conf. Ser. 555:012015
Cho, J.R. / 2001 / Finite element techniques for the free-vibration and seismic analysis of liquidstorage tanks / Finite Elem. Anal. Des. 37:467~483
E.Y. Choi / 2015 / Numerical and experimental study on dynamic response of moored spar-type scale platform for floating offshore wind turbine / Structural Engineering and Mechanics, An Int＇l Journal 54(5):909~922
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