Numerical and Physical Modeling of a Tension-Leg Platform for Offshore Wind Turbines

Daniel Walia, Paul Schünemann, Hauke Hartmann, Frank Adam and Jochen Großmann
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Daniel Walia: Lehrstuhl für Windenergietechnik (LWET), Universität Rostock, Albert-Einstein-Str. 2, 18059 Rostock, Germany
Paul Schünemann: Lehrstuhl für Windenergietechnik (LWET), Universität Rostock, Albert-Einstein-Str. 2, 18059 Rostock, Germany
Hauke Hartmann: Lehrstuhl für Windenergietechnik (LWET), Universität Rostock, Albert-Einstein-Str. 2, 18059 Rostock, Germany
Frank Adam: Lehrstuhl für Windenergietechnik (LWET), Universität Rostock, Albert-Einstein-Str. 2, 18059 Rostock, Germany
Jochen Großmann: GICON—Großmann Ingenieur Consult GmbH, Tiergartenstr. 48, 01219 Dresden, Germany

Energies, 2021, vol. 14, issue 12, 1-22

Abstract: In order to tap the world wide offshore wind resources above deep waters, cost efficient floating platforms are inevitable. Tension-Leg Platforms (TLPs) could enable that crucial cost reduction in floating wind due to their smaller size and lighter weight compared to spars and semi-submersibles. The continuous development of the GICON ® -TLP is driven by computer-aided engineering. So-called aero-hydro-servo-elastic coupled simulations are state-of-the-art for predicting loads and simulating the global system behavior for floating offshore wind turbines. Considering the complexity of such simulations, it is good scientific praxis to validate these numerical calculations by use of scaled model testing. This paper addresses the setup of the scaled model testing as carried out at the offshore basin of the École Centrale de Nantes, as well as the numerical model for the GICON ® -TLP . The results of dedicated decay tests of the scaled model are used to validate the computational model at the first stage and to determine the natural frequencies of the system. Besides different challenges to the scaled model during the survey, it was possible to take these difficulties into account when updating the numerical model. The results show good agreements for the tank tests and the numerical model.

Keywords: TLP; floating; offshore; wind; renewable; tank tests; simulation; validation; OpenFAST (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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