... social responsibility equation boundary mathematics of computing sustainable development method sustainability subsea system international journal accurate spectral element-based time-domain simulation bingham mesh spectral element method fowt eskilsson dtumotionsimulator mooring system...

...Shun Xu; Weiwen Zhao; Decheng Wan; Yan Zhao _ Numerical simulations of a floating offshore wind turbine (FOWT) in yawed conditions are carried out using a coupled large eddy simulation and aero-hydro-moor-servo dynamics code. The inflow wind is an atmospheric boundary layer inflow simulated...

... Elastic modulus Ep Plastic modulus f Uniformly distributed soil reaction forces in axial direction per unit pipe length F Axial load at ground boundary Fa Axial load at ground boundary calculated by axial load analysis I Second moment of the area Lf Length over which the axial soil reaction force...

.... Copyright 2023, The International Society of Offshore and Polar Engineers sustainability experiment numerical calculation japan government artificial intelligence boundary crew transfer vessel stick slip phenomenon asia government sustainable development operation offshore wind tower...

...Pengxuan Luo; Jingxin Zhang _ The immersed boundary method (IBM) is used to numerically model boundaries in complex geometry and moving boundaries in the fixed mesh system. The core idea of this method is to introduce virtual force terms into momentum equations to replace physical boundaries...

...Zhiyuan Jiang; Peng Li; Hongde Qin; Yu Guo _ This study considers the hydrodynamic characteristics of an AUV (autonomous underwater vehicle) near an uneven seabed. An improved hydrodynamic algorithm based on conformal mapping and the boundary element method (BEM) is proposed in this paper...

...Shun Xu; Nina Wang; Tiegang Zhuang; Weiwen Zhao; Decheng Wan _ This study performed numerical investigations of a floating offshore wind turbine under a complex atmospheric boundary layer inflow. The complex and realistic ABL inflow was generated by large eddy simulations, and wind turbine blades...

... boundaries to dampen wave reflection. The standalone FNP model and the coupled FNP+NS model are applied to deal with each scenario comparatively. This enables an accurate quantification and comparison of the wave energy loss calculated by the two numerical models. The velocity field is decomposed...

... responsibility floating production system fowt floating production storage and offloading frequency wind energy floating production storage & offloading renewable energy time history qalefoam fowt system international journal wind turbine wave inlet boundary free surface boundary solver...

... is a result of viscous shear stress on the ship hull, and it can be successfully predicted by laminar boundary layer theory. Wave component stems from the distribution of dynamic pressure on the ship hull owing to the evolution of a free surface, and it is capable of being simulated by potential flow theory...

... with the experimental data. Good agreement has been achieved. In addition, different numerical configurations have been attempted, in an effort to examine the effects of the cylinder surface boundary condition and turbulence modeling for such cases. International Journal of Offshore and Polar Engineering (ISSN 1053...

... domain decomposition strategy. SPH, which is relatively more time-consuming, is used in a small near-field zone around the structure, whereas QALE-FEM is adopted in a large domain, dealing with the wave generation. They are coupled through a coupling boundary at the SPH domain. The hybrid model has...

... kinematics with high accuracy in the vicinity of the cylindrical structure. This data is used as the input to the olaFlow CFD model, which calculates the wave-structure interactions. One-way coupling approaches based on boundary conditions and relaxation zones are tested and compared in terms of the recorded...

... with the experiment. case 2 openfoam international journal amplitude interaction reservoir simulation cylinder free surface experiment wave elevation upstream oil & gas deviation numerical simulation boundary elevation largest amplitude viscosity mesh history curve wavemaker International...

..., the wave will be first blocked by submerged structures in the process of propa- gation, and the wave will deform or break in advance as a result of the boundary of submerged structure. Parts of the waves are reflected, and the remaining waves continue to spread forward until interact- ing with the vertical...

... dependent on the particle size used in the SPH model, which usually results in a computation-time-consuming problem for three-dimensional simulations. In this research, the SPH model was improved to obtain similar prediction accuracy with larger particles. A smoothed-boundary model (SBM) was proposed...

... on the body is updated, and then mesh is adapted to the rigid body motion. To perform the mesh adaption, overset mesh was used. The numerical scheme is summarized in Table 3. Figure 5 shows the boundary conditions of the computational domain. The velocity inlet condition was assigned to upstream, downstream...

... 2020. The International Society of Offshore and Polar Engineers Artificial Intelligence Upstream Oil & Gas blind test particle hybrid model qale-fem domain hybrid model coupling sph SPH equation renewable energy khayyer Simulation SPH Method experimental data boundary comput phy...

... Simulation Isope zone technique absorption interaction wave absorber YAn ccp-wsi blind test blind test passive wave absorber boundary ns model FNPT boundary condition qalefoam wave elevation International Journal of Offshore and Polar Engineering (ISSN 1053-5381) httpwww.isope.org...

... Engineering computational domain boundary ns model Isope Offshore wave-structure interaction elevation Wave Interaction ns domain mesh wave elevation interaction numerical study accuracy qalefoam comparative numerical study fpso-like structure International Journal of Offshore and Polar...