{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T12:49:03Z","timestamp":1753879743457,"version":"3.41.2"},"reference-count":25,"publisher":"ASME International","issue":"1","content-domain":{"domain":["asmedigitalcollection.asme.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2013,2,1]]},"abstract":"<jats:p>The paper presents an experimental and numerical investigation on the motions of a floating body of simple geometry subjected to harmonic and biharmonic waves. The experiments were carried out in three different water depths representing shallow and deep water. The body is axisymmetric about the vertical axis, like a vertical cylinder with a rounded bottom, and it is kept in place with a soft mooring system. The experimental results include the first order motion responses, the steady drift motion offset in regular waves and the slowly varying motions due to second order interaction in biharmonic waves. The hydrodynamic problem is solved numerically with a second order boundary element method. The results show a good agreement of the numerical calculations with the experiments.<\/jats:p>","DOI":"10.1115\/1.4007045","type":"journal-article","created":{"date-parts":[[2013,2,23]],"date-time":"2013-02-23T10:20:21Z","timestamp":1361614821000},"update-policy":"https:\/\/doi.org\/10.1115\/crossmarkpolicy-asme","source":"Crossref","is-referenced-by-count":3,"title":["Analysis of the First Order and Slowly Varying Motions of an Axisymmetric Floating Body in Bichromatic Waves"],"prefix":"10.1115","volume":"135","author":[{"given":"Jo\u00e3o","family":"Pessoa","sequence":"first","affiliation":[{"name":"e-mail:"}]},{"given":"Nuno","family":"Fonseca","sequence":"additional","affiliation":[{"name":"e-mail:"}]},{"given":"C. Guedes","family":"Soares","sequence":"additional","affiliation":[{"name":"e-mail:\u2002 Centre for Marine Technology and Engineering (CENTEC), Technical University of Lisbon, Instituto Superior T\u00e9cnico, Av. Rovisco Pais, 1049-001 Lisboa, Portugal"}]}],"member":"33","published-online":{"date-parts":[[2013,2,22]]},"reference":[{"issue":"3","key":"2019100616421596300_B1","first-page":"1","article-title":"The Drift of a Body Floating in Waves","volume":"4","year":"1960","journal-title":"J. Ship Res."},{"key":"2019100616421596300_B2","doi-asserted-by":"crossref","first-page":"51","DOI":"10.5957\/jsr.1967.11.1.51","article-title":"The Drift Force and Moment on Ships in Waves","volume":"11","year":"1967","journal-title":"J. Ship Res."},{"key":"2019100616421596300_B3","unstructured":"Pinkster, J. 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A., 1970, \u201cAnalysis of Peak Mooring Force Caused by Slow Vessel Drift Oscillation in Random Seas,\u201d Proceedings of the 2nd Annual Offshore Technology Conference, OTCPaper No. 1159-MS. 10.4043\/1159-MS","DOI":"10.4043\/1159-MS"},{"key":"2019100616421596300_B14","doi-asserted-by":"crossref","first-page":"191","DOI":"10.2118\/3423-PA","article-title":"The Slow Drift Oscillations of a Moored Object in Random Seas","volume":"12","year":"1972","journal-title":"Soc. Pet. Eng. J."},{"key":"2019100616421596300_B15","unstructured":"Krafft, M. J., and Kim, C. H., 1990, \u201cExperimental Investigation of Quadratic Frequency Response Function for Slow Drift in Bi-Frequency Domain,\u201d Proceedings of the 1st European Offshore Mechanics Symposium, Trondheim, Paper No. 193, pp.37\u201346."},{"issue":"3","key":"2019100616421596300_B16","first-page":"168","article-title":"Surge Drift Motion of a Moored Vessel in Random Waves","volume":"2","year":"1992","journal-title":"Int. J. Offshore Polar Eng."},{"key":"2019100616421596300_B17","doi-asserted-by":"crossref","unstructured":"Naciri, M., Bunnik, T., Buchner, B., Huijsmans, R. H. M., and Andrews, J., 2004, \u201cLow Frequency Motions of LNG Carriers Moored in Shallow Water,\u201d Proceedings of the 23rd International Conference on Offshore Mechanics and Arctic Engineering, Vancouver, ASMEPaper No. OMAE2004-51169. 10.1115\/OMAE2004-51169","DOI":"10.1115\/OMAE2004-51169"},{"key":"2019100616421596300_B18","doi-asserted-by":"crossref","unstructured":"Fonseca, N., Pessoa, J., and Soares, C. G., 2008, \u201cCalculation of Second Order Drift Forces on a FLNG Accounting for Difference Frequency Components,\u201d Proceedings of the 27th International Conference on Offshore Mechanics and Arctic Engineering, Estoril, ASMEPaper No. OMAE2008-57942. 10.1115\/OMAE2008-57942","DOI":"10.1115\/OMAE2008-57942"},{"key":"2019100616421596300_B19","doi-asserted-by":"crossref","unstructured":"Pessoa, J., Fonseca, N., and Soares, C. 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