Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope
Forces on a monopile from a nonlinear irregular unidirectional wave model are investigated. Two seabed profiles of different slopes are considered. Morison’s equation is used to investigate the forcing from fully nonlinear irregular waves and to compare the results with those obtained from linear wa...
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American Society of Mechanical Engineers
2011
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ftdtupubl:oai:pure.atira.dk:publications/42efd7cb-1134-46f0-b29c-49dbb1004645 2023-05-15T14:23:01+02:00 Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope Schløer, Signe Bredmose, Henrik Bingham, Harry B. 2011 application/pdf https://orbit.dtu.dk/en/publications/42efd7cb-1134-46f0-b29c-49dbb1004645 https://backend.orbit.dtu.dk/ws/files/6500405/prod11321619361554.Paper%5B1%5D.pdf eng eng American Society of Mechanical Engineers info:eu-repo/semantics/openAccess Schløer , S , Bredmose , H & Bingham , H B 2011 , Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope . in Proceedings of the ASME 30th 2011 International Conference on Ocean, Offshore and Arctic Engineering . vol. 5 , American Society of Mechanical Engineers , pp. 581-588 , 30th International Conference on Ocean, Offshore and Arctic Engineering , Rotterdam , Netherlands , 19/06/2011 . contributionToPeriodical 2011 ftdtupubl 2022-08-14T08:08:31Z Forces on a monopile from a nonlinear irregular unidirectional wave model are investigated. Two seabed profiles of different slopes are considered. Morison’s equation is used to investigate the forcing from fully nonlinear irregular waves and to compare the results with those obtained from linear wave theory and with stream function wave theory. The latter of these theories is only valid on a flat bed. The three predictions of wave forces are compared and the influence of the bed slope is investigated. Force-profiles of two selected waves from the irregular wave train are further compared with the corresponding forceprofiles from stream function theory. The results suggest that the nonlinear irregular waves give rise to larger extreme wave forces than those predicted by linear theory and that a steeper bed slope increases the wave forces both for linear and nonlinear waves. It is further found that stream function theory in some cases underestimate the wave forces acting on the monopile. Other Non-Article Part of Journal/Newspaper Arctic Technical University of Denmark: DTU Orbit |
institution |
Open Polar |
collection |
Technical University of Denmark: DTU Orbit |
op_collection_id |
ftdtupubl |
language |
English |
description |
Forces on a monopile from a nonlinear irregular unidirectional wave model are investigated. Two seabed profiles of different slopes are considered. Morison’s equation is used to investigate the forcing from fully nonlinear irregular waves and to compare the results with those obtained from linear wave theory and with stream function wave theory. The latter of these theories is only valid on a flat bed. The three predictions of wave forces are compared and the influence of the bed slope is investigated. Force-profiles of two selected waves from the irregular wave train are further compared with the corresponding forceprofiles from stream function theory. The results suggest that the nonlinear irregular waves give rise to larger extreme wave forces than those predicted by linear theory and that a steeper bed slope increases the wave forces both for linear and nonlinear waves. It is further found that stream function theory in some cases underestimate the wave forces acting on the monopile. |
format |
Other Non-Article Part of Journal/Newspaper |
author |
Schløer, Signe Bredmose, Henrik Bingham, Harry B. |
spellingShingle |
Schløer, Signe Bredmose, Henrik Bingham, Harry B. Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
author_facet |
Schløer, Signe Bredmose, Henrik Bingham, Harry B. |
author_sort |
Schløer, Signe |
title |
Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
title_short |
Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
title_full |
Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
title_fullStr |
Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
title_full_unstemmed |
Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope |
title_sort |
irregular wave forces on monopile foundations. effect af full nonlinearity and bed slope |
publisher |
American Society of Mechanical Engineers |
publishDate |
2011 |
url |
https://orbit.dtu.dk/en/publications/42efd7cb-1134-46f0-b29c-49dbb1004645 https://backend.orbit.dtu.dk/ws/files/6500405/prod11321619361554.Paper%5B1%5D.pdf |
genre |
Arctic |
genre_facet |
Arctic |
op_source |
Schløer , S , Bredmose , H & Bingham , H B 2011 , Irregular Wave Forces on Monopile Foundations. Effect af Full Nonlinearity and Bed Slope . in Proceedings of the ASME 30th 2011 International Conference on Ocean, Offshore and Arctic Engineering . vol. 5 , American Society of Mechanical Engineers , pp. 581-588 , 30th International Conference on Ocean, Offshore and Arctic Engineering , Rotterdam , Netherlands , 19/06/2011 . |
op_rights |
info:eu-repo/semantics/openAccess |
_version_ |
1766295503542157312 |