... is found to be necessary for withstanding the wind turbine’s incurred moment and forces. The conclusion is that column design should prioritize manufacturing costs over hydrodynamic performance. floating offshore wind turbines FOWT hull design wave load bracing structural analysis scalability...

...-Averaged Navier Stokes (RANS) equations. The latter part of the study involves structural analysis of the hollow composite blades of VAWT due to the aerodynamic pressure estimated from the first part and centrifugal forces due to rotation. The risk of failure arises due to the exceedance of stresses...

...). The same framework is also applicable at design time to assess an extensive range of operational conditions with high-fidelity analysis. In order to achieve this purpose, we validate in this work, a complete system-level FOWT structural analysis framework, which is integrated with NREL OpenFAST and Akselos...

... Abstract Sea ice ridges, formed by compression or shear in the ice cover, bring additional challenges to the structural safety of icebreakers navigating in polar regions. The purpose of this work is to carry out the structural analysis of an icebreaker during ramming of first-year ice ridges...

...-structure interaction structural analysis hydroelasticity inflatable dynamics Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering OMAE2022 June 5-10, 2022, Hamburg, Germany OMAE2022-80867 MODELING COMPARISON OF FLEXIBLE-INFLATABLE AND RIGID SMALL-SCALE...

... lifetime. This study provides references for structural load analysis of downstream wind turbines in large-scale fixed-bottom offshore wind farms. offshore wind turbine monopile structural analysis Proceedings of the ASME 2022 41st International Conference on Ocean, Offshore and Arctic...

... mitigation to avoid that such incidents lead to permanent damage in the future. riser monitoring system structural analysis Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-62325 STRUCTURAL...

... the reduction of uncertainties in structural integrity assessments during design and over the operational lifetime of floating offshore platforms. Recent advances in time domain structural analysis technology demonstrate substantially more accurate assessments of non-linear platform loadings and responses...

.... fatigue spectral fatigue structural analysis finite element structural connection engineering criticality assessment fracture mechanics Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-63608...

... to the earthquake motion, which is absent in the superelement method. However, this does not appear to be significant for realistic cases including the tower and RNA. offshore wind foundation superelement integrated approach structural analysis seismic earthquake A COMPARISON OF TIME DOMAIN SEISMIC...

... damage calculations using time domain response analysis can be very time consuming and challenging. An efficient and effective structural analysis methodology is developed to calculate accumulated fatigue damage for structural connections in a floating offshore platform using a response-based time domain...

... semisubmersible platform is used to evaluate structural fatigue damage for a given wave scatter diagram. A comparison between results from this response-based time-domain approach and the conventional spectral method is presented. time domain structural analysis fatigue assessment TIME DOMAIN...

... the results. offshore wind foundation superelement structural analysis seismic earthquake A COMPARISON OF TIME DOMAIN SEISMIC ANALYSIS METHODS FOR OFFSHORE WIND TURBINE STRUCTURES: USING A SUPERELEMENT APPROACH Laurens Alblas1 DNV GL Høvik, Norway Corine de Winter2 Siemens Gamesa Renewable...

... Abstract Performing the structural analysis and its integrity evaluation is the ultimate goal of design. However, design value estimation based on load-based analysis is still used as a conventional procedure in the offshore industry. The conventional method can be overly conservative...

... structure is mounted with a 5MW wind turbine. The present study covers power performance estimations, structural analysis and mooring design calculations. The first section describes the “Wave to Wire” model programmed in both frequency and time domain. The mathematical and hydrodynamic assumptions...

... the exciting wave spectrum. semi-submersible offshore modal analysis free vibrations structural analysis finite element method structural dynamics added mass ANALYSIS OF FREE VIBRATION CHARACTERISTICS AND MODE SHAPES OF A SEMI-SUBMERSIBLE PLATFORM Jonas W Ringsberg Dept of Shipping and Marine...

... and the scale factors that are considered throughout this work. The results obtained computationally by means of ADINA software are presented in fifth section, where they are also compared to the experimental results that STRUCTURAL ANALYSIS OF UNDER SEISM Helder J. D. Correia 1 e-mail: correia@ubi.pt António C...

... ANALYTICAL MOD BEHAVIOUR OF FLEXIBLE RISERS Roberto Ramos Jr. ( rramosjr@usp.br ) Department of Mechanical Engineering University of São Paulo São Paulo, SP, Brazil ABSTRACT This work presents an analytical model for the structural analysis of flexible risers subjected to combined loads of bending, twisting...

... input data for such special purpose elements. Finite element analysis pushover analysis structural analysis tubular structures March 23, 2002 9:51 2 FO VI performed on simplified structural models, using finite element analysis. To assess the typical assumptions made concerning joint...

... procedures and ten welder- divers were qualified. Keywords: structural analysis, underwater wet welding, structural repair, fatigue structural damage. INTRODUCTION The monitoring of the K-joints of a floating production platform indicated the progression of seven cracks among the eleven defects registered...