... ABSTRACT An IEA 15MW semi-submersible FOWT in focused waves is investigated by using a consistent second-order hydrodynamic model in the time domain, uniquely formulated in the body-fixed coordinate system (BFCS). The quadratic drag loads on the cross sections along the horizontal pontoons...

... marine transportation japan government resistance engineering pressure distribution investigation asia government air cavity stepped planing hull numerical investigation planing hull hull ocean engineering wetted area equation cross section friction resistance ABSTRACT...

... upstream oil & gas wave energy united states government reservoir surveillance production control cylinder jacket structure regime germany government sub-sea system flow pattern water depth cross section wave direction dependency orientation flow field europe government...

... & gas offshore pipeline simulation vfife asia government collapse pressure propagation pressure vector form max 2 finite element local collapse mass particle cross section ocean eng vfife model Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference...

... and component stresses is not straight forward. In order to do safe design of such structures appropriate simulation tools are necessary. Especially, the cross-section design is relaying on appropriate models for local deformations, contact and stress and strain evaluations. The paper explores a simple...

... ABSTRACT Helical wires are a type of structure winding around on an underneath layer in flexible structures. They constitute a structure layer that provides mechanical protection and sufficient flexibility. The cross section of a helical wire could differ from round to rectangular...

...-section probability cross section asia government stability block settlement failure mode reliability analysis failure probability response surface rsm artificial intelligence caisson bearing capacity calculation estimation error Proceedings of the Thirty-third (2023) International Ocean...

... ABSTRACT In this study, freezing and thawing tests were conducted in accordance with standard JIS A 1148 (method A), and it was found that the specimen cross-sectional shape has little effect on the results. The ultrasonic transit time can be used to evaluate the freezing and thawing...

... upstream oil & gas piping design lateral displacement flexible pipe engineering piping simulation displacement pipe section proceedings ovalization cross section interaction american petroleum institute internal pressure gay neto midstream oil & gas offshore pipeline...

... ABSTRACT A method to express the hull form by applying the Fourier series expansion to the cross section of the hull is proposed. By this method, the hull shape can be expressed with accuracy while reducing the order of parameters. In addition, the correlation between each coefficient...

... optimization platform and considers the discrete variable set of structural parameters. A correlation study is conducted. After optimization, the weight of cross-section member per unit length of the riversea- going ship is reduced by 5.04%. The optimization results show that the system has applicability...

... pipeline subjected japan gas association analytical model cross section Proceedings of the Thirty-first (2021) International Ocean and Polar Engineering Conference www.isope.org Rhodes, Greece, June 20 25, 2021 Copyright © 2021 by the International Society of Offshore and Polar Engineers (ISOPE...

... and measure the wave elevation contiguously at multiple fixed points. The the reproduced wave field. proposed method enables to obtain a wave field from the spatially and temporally discrete observation values. In the sea, it is difficult to Cross Section at y=0.0 t = 5.02 Target Wave 1.0 Regenerated Wave...

... is estimated in Asakura formula (Asakura et al., 2000). Few papers concerns the tsunami pressures behind a relatively large sand dune. Figure 1 shows an example of coastal zone cross section. In the photograph, the wave incident direction is the right side and the center part becomes steep valley...

... of simplification, choice of element type and determination of contact stiffness are among the key parameters when modelling such components. Mesh sensitivity on sheath layers, filled bodies and tensile armor wires is carried as well. Their effects on physical properties of the cross section, stick and slip...

... separation region lift coefficient separation leading-edge tubercle simulation numerical simulation boundary layer cross section wing tip base model coefficient corner separation force coefficient Effect of Wavelength on the Hydrodynamic Characteristics of a Finite-Span Wing with Leading-edge...

... renewable energy simulation wind turbine head loss engineering tlmcd vertical column cross section wind energy cfd simulation coefficient analytical model ocean engineering damper natural frequency configuration tlcd equation liquid multi-column damper tank Tuned liquid...

... ABSTRACT A submerged floating tunnel’s (SFT) cross-sectional geometry is one of the main factors influencing its hydrodynamic characteristics. Minimizing the drag and lift is important for reducing the displacement of the structure and load on the mooring system. In this study, a parametric...

.... This is a concern when the line-pipe manufacturing technique employs cold forming—such as the cross-section expansion step in the UOE and JCOE methods—and the adverse contribution of the Bauschinger effect is not mitigated in a suitable manner. INTRODUCTION The UOE and JCOE methods are used for manufacturing...

... distribution on hull surface. artificial intelligence optimization problem girth length ice-covered area resistance optimization method coordinate system coefficient optimized hull form constraint calculation representative point principal particular cross section ice piece ice resistance...