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Source/Cause of a second-order response

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November 6, 2018, 03:14	Source/Cause of a second-order response	#1
Lingfeng Su New Member Join Date: May 2015 Posts: 13 Rep Power: 10	Hi guys, I have a question here. When I generate a linear wave to excite a floating body, the wave-induced loads acting on the body present not only the first-order resonance frequency but also another peak at the second-order frequency through FFT method. So I want to know what may be the causes of this second order response, or what may be the sources of the second order response. Cheers!

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hydrodynamics, wave excitation, wave-induced loads

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