Optimal Design of Stiffeners for Bucket Foundations

William Tucker Courtney, Mathias Stolpe, Thomas Buhl, Robert Bitsche, Nicolai Hallum, Søren A. Nielsen

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Abstract

The potential for structural optimization of the bucket foundation’s outer stiffeners is investigated using commercial optimization software. In order to obtain the optimal design both shape and topology optimization problems are formulated and solved using the structural optimization software Tosca Structure coupled with the finite element software Abaqus. The solutions to these optimization problems are then manually interpreted as a new design concept. Results show that shape optimization of the initial design can reduce stress concentrations by 38%. Additionally, topology optimization has led to a new design concept with a mass reduction of 25.5% (19.2 tons) when compared to the original design.
Original languageEnglish
Title of host publicationProceedings of EWEA Offshore 2015 Conference
Number of pages7
PublisherEuropean Wind Energy Association (EWEA)
Publication date2015
Publication statusPublished - 2015
EventEWEA Offshore 2015 Conference - Bella Center, Copenhagen, Denmark
Duration: 10 Mar 201512 Mar 2015

Conference

ConferenceEWEA Offshore 2015 Conference
LocationBella Center
Country/TerritoryDenmark
CityCopenhagen
Period10/03/201512/03/2015

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