Nielsen, Søren R.K.

Sigurdsson, Gudfinnur

English

This paper concerns an investigation of the effects of nonlinearity of drag loading on offshore structures excited by 2D wave fields, where the nonlinear term in the Morison equation is replaced by an equivalent cubic expansion. The equivalent cubic expansion coefficients for the equivalent drag model are obtained using the least mean square procedure. Numerical results are given. The displacement response and stress response processes obtained using the above loading model are compared with simulation results and those obtained from equivalent linearization of the drag term

    Aalborg UniversitetStress Response of Offshore Structures by Equivalent Polynomial ExpansionTechniquesSigurdsson, Gudfinnur; Nielsen, Søren R.K.Publication date:1990Document VersionPublisher's PDF, also known as Version of recordLink to publication from Aalborg UniversityCitation for published version (APA):Sigurdsson, G., & Nielsen, S. R. K. (1990). Stress Response of Offshore Structures by Equivalent PolynomialExpansion Techniques. Dept. of Building Technology and Structural Engineering. Structural Reliability TheoryVol. R9014 No. 72General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright ownersand it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.            ? Users may download and print one copy of any publication from the public portal for the purpose of private study or research.            ? You may not further distribute the material or use it for any profit-making activity or commercial gain            ? You may freely distribute the URL identifying the publication in the public portal ?Take down policyIf you believe that this document breaches copyright please contact us at vbn@aub.aau.dk providing details, and we will remove access tothe work immediately and investigate your claim.Downloaded from vbn.aau.dk on: November 29, 2020

Stress Response of Offshore Structures by Equivalent Polynomial Expansion Techniques

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Stress Response of Offshore Structures by Equivalent Polynomial Expansion Techniques

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