Preprint Article Version 1 This version is not peer-reviewed

Motion and Dynamic Responses Approach for WindFloat Structures under Marine Loads

Version 1 : Received: 27 September 2018 / Approved: 27 September 2018 / Online: 27 September 2018 (13:11:46 CEST)

How to cite: Scurtu, I.C.; Garleanu, D.; Garleanu, G. Motion and Dynamic Responses Approach for WindFloat Structures under Marine Loads. Preprints 2018, 2018090546 (doi: 10.20944/preprints201809.0546.v1). Scurtu, I.C.; Garleanu, D.; Garleanu, G. Motion and Dynamic Responses Approach for WindFloat Structures under Marine Loads. Preprints 2018, 2018090546 (doi: 10.20944/preprints201809.0546.v1).

Abstract

This paper presents performed Ansys numerical simulation on WindFloat structures. It contributes to the methodology of calculation based on CFD instruments to study the movements of the waves on semi-submersible stationary structures and highlights the importance of using RAO functions. RAO numerical approach developed can be applied to design semisubmersible WindFloat structures in order to fulfill essential requirements regarding operational safety and design. Numerical methodology was designed in accordance marine loads and the I.T.T.C. recommendations. The numerical RAO results for regular wave movements include many elements for the semi-submergible structure. Close results to open sea operation can be achieved by constant improvement in numerical simulation methodologies. The work opens the way for further hydrodynamic development on irregular waves for realistic hydrodynamic and structural response of the actual semi-submersibles at sea. The results demonstrate the accuracy of RAO function approach for specific WindFloat in Jonswap spectrum.

Subject Areas

wave energy, marine loads, RAO function, dynamic response

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