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Keywords: nonlinear oscillator
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Offshore Mech. Arct. Eng. December 2020, 142(6): 061701.
Paper No: OMAE-19-1237
Published Online: April 8, 2020
... are then estimated using a least-square method. A nonlinear oscillator with a quadratic stiffness term is introduced, and the methodology is applied to check the applicability and accuracy. The methodology is applied to a more realistic engineering problem of a simplified riser under irregular wave excitation...