Numerical study on the response of a narrow-long harbor to a solitary wave
Received:November 16, 2011  Revised:April 14, 2012
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KeyWord:solitary wave  Boussinesq wave model  narrow-long harbor  harbor response  harbor natural frequency
马小舟 大连理工大学 海岸和近海工程国家重点实验室,大连
刘嫔 大连理工大学 海岸和近海工程国家重点实验室,大连
王岗 河海大学 港口、海岸和近海工程学院,南京
董国海 大连理工大学 海岸和近海工程国家重点实验室,大连
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      The response of a narrow-long harbor to an incident solitary wave is simulated by a Boussineq wave model.Both horizontal and sloping bottoms are studied.The comparison between the numerical results and theory as well as the spectral analysis is conducted,which indicates that most of the energy of the harbor response is at the first three natural frequencies when a solitary wave enters into a narrow harbor with a side of open waters.It shows a good agreement between the numerical and theoretical results,suggesting a possible method to estimate the natural frequencies of a narrow-long harbor.