... main hull asia government sub-sea system design wave parameter platform upstream oil & gas china government wave load bulkhead floating production system cylindrical fpso global structural strength analysis structural model radial bulkhead ring bulkhead wave condition Proceedings...

... ABSTRACT In this study, a rigid-base single-degree-of-freedom structural model was proposed for the wind turbine with a linearly variable cross-section tower. Additionally, the concentrated spring model was introduced to simulate the flexibility of grout connection at the transition piece...

... mode shapes are determined through the application of a FEM based structural model. The diffraction/radiation problem is solved using the boundary integral equation method. Focus is given on the flexible modes' generalized hydrodynamic forcing and responses, the spar's hydroelastic response...

... ballast tank fpso platform hull structural model upstream oil & gas strength analysis installation site stiffener floating production system monocolumn fpso global strength analysis gonçalves nishimoto subsea system lizheng wang monocolumn fpso yue lei requirement Global Strength...

.... Consequently, industrial design codes such as API (2014) and DNV GL (2014) require a necessary evaluation of resistance against fatigue failures to ensure the structural integrity. tubular joint subsea system wind energy calculation procedure structural model platform design us government taiwan...

... and translations, but small strains. The second goal of this work, is to extend the proposed structural model in order to consider a fluid surrounding the system studied. Specifically, an equation of the applied hydrodynamic force is used applicable to a beam element arbitrarily oriented. Furthermore, for the beam...

... University Hannover, Germany ABSTRACT A great potential for optimization of pile and bucket-based multi-footed foundations is the adequate incorporation of the non-linear foundation response in the overall structural model of the offshore wind energy converter (OWEC). Currently, this soil-structure...

... ew direction natural period peak displacement displacement whp drill pipe selection threshold subsea system operator topside mass assessment time history dynamic response structural model calculation drillstring design offshore platform Fixed Structure Motion Measurement...

... structural model and a 3D hydrodynamic model based on Boundary Integral Equation (BIE) technique. In addition, a 2D slamming model is added in time domain. Special accent is given to the oblique wave cases which are much more complex to model. matrix procedure conversion matrix equation simulation...

... of installation techniques. impact force platform structural model subsea system sea state floater dimension frequency installation transportation barge case 2 float-over method barge structural analysis operation upstream oil & gas ffo requirement withstand mating operation floater...

...-mise stress maximum von-mise stress structural model procedure wave energy converter hydrodynamic model assessment social responsibility hydrodynamic analysis pendulum wec boundary condition structural analysis floater floating-type wec wave loading stress distribution ocean energy...

... by various CFD and FEA tools. rocker pin launch analysis structural model stress fringe pattern launch barge hydrodynamic pressure barge model strength upstream oil & gas subsea system inertial load barge hull trajectory motion installjack transverse frame reaction force jacket...

... at providing the ship's design data. In this paper, comparisons of a hydroelastic numerical model with the model tests are presented. The numerical model is the combination of a full 3DFEM structural model, a 3D BIE based diffraction code and a 2D BIE slamming model, in time domain. Special accent is given...

... for the columns and pontoons while a Morison type loading is applied on the bracings. The structural model is a classical 3D finite element model. The proposed interfacing method ensures the perfect balance of the structural model. INTRODUCTION The hydro-structure interfacing in seakeeping is an important...

... the application of a 3D structural model (eigenvalue analysis), a 3D frequency domain hydrodynamic model (hydroelastic analysis) and an iterative procedure (direct inclusion of the frequency dependent effect of the incident waves). The results of this approach for two kinds of FSs are compared...

... structural model coupled with a 3D hydrodynamic model. The effect of the added mass and the hydrostatic - gravitational coefficients on the dry modes is considered through an appropriate iterative procedure in terms of the eigenfrequencies. The effect of the connectors stiffness and the number...

... accelerations and forces at the FEM model ensures a well balanced structural model. INTRODUCTION To be able to investigate the local response of the ship structure in waves it is necessary to transfer the seakeeping loading to a 3D structural model of the structure. The usual approach is to transfer...

... stress levels are introduced for the evaluation procedure using FDSs and confirmed by a series of fatigue testing and numerical simulations. This newly proposed fatigue life evaluation procedure using obtained factors is checked by comparison results of fatigue tests for a large structural model on which...

... ABSTRACT An efficient interface between the hydrodynamic and structural model, is a critical element in hydro-structure analysis of floating bodies. Main difficulties are related to the fact that two types of meshes (hydrodynamic and structural) are not the same due to the different criteria...

... software dynamic stress brace wave load offshore repair mesh petrobras bracket structural analysis platform subsea system structural model stress range fatigue life local model global structural model upstream oil & gas campos basin critical point Experience on P27 Structural...