... the dynamic performance of a typical land-fixed OWC device under solitary waves. The 3D numerical model is established based on the open-sourced code, i.e., OpenFOAM. The Navier-Stokes equation is solved by PIMPLE algorithm and the VOF (Volume-of-Fluid) technique is applied to track the free surface between...

... of roughness parameters including different roughness heights and roughness coverage ratios (CR) is carried out. In addition, the hydrodynamic force of a roughened SFT with a circular shape and a newly designed parametric shape are compared. The numerical models within the framework of the CFD toolbox OpenFOAM...

... ABSTRACT Wind resource assessment is essential for the development of offshore wind energy. In this study, we propose a design of tension-leg platform (TLP) based met mast for wind measurements. To evaluate the design, a time-domain numerical model is developed for the dynamic analysis...

... load, and mooring pretension was investigated. Results demonstrate the reliability of our numerical model and suggest that, when wind and current loads are low, the pretension can be decreased to lessen the mooring force. The pretension adjustment has little impact on the level of the mooring force...

.... upstream oil & gas reservoir characterization coupling algorithm seabed surface geologist offshore pipeline pipeline coupling model flow model geology twin pipeline algorithm two-way coupling model seabed response numerical model pore pressure boundary condition experimental data...

... marine operations) program to calculate the slamming load and immersion load at the spool during transient descent through a coupled numerical model of the ship mooring system. Chilinski et al. (2020) constructed an excitation function based on the amplitude response operator to calculate ship motion...

... ABSTRACT In this paper, the numerical model of ice is established based on nonlinear finite method, and the process of damage is simulated by means of the computational cohesive element model. The gravity, buoyancy and drag force are added to the motion equations of ice blocks to establish...

... ABSTRACT The double-acting vessel adopts podded propulsion or azimuth thruster, which can break ice in ahead and astern directions. Therefore, the stern icebreaking capability is an important performance of double-acting vessels. In this paper, the numerical model of the double-acting vessel...

..., structural dynamics, hydrodynamics. The present paper investigates the validation of 2 FOWT numerical models against a set of experimental results provided by the University of Plymouth, within the ISOPE 2023 FOWT comparative study. The first numerical model, DIEGO, is an aero-hydro-servo-elastic solver...

... to lower-fidelity engineering numerical models that can predict high-frequency wave loads with a sufficient degree of accuracy is important for the deployment of TLP technologies. While frequency domain BEM (Boundary Element Method) solvers can be used to calculate second-order diffraction forces (via...

... ABSTRACT The content of the present paper is the comparison between three different numerical models with the results of the experimental campaign conducted by the University of Plymouth, in the context of the 1 st FOWT Comparative Study. Experimental tests were conducted to evaluate...

.... Decay tests and focused waves are simulated in the numerical models, and these are compared to experimental results, using a 1:70 scale model of the system. Comparisons between the numerical models and physical experiments are made. Results of surge motion response and line tension are presented...

... response of a floating offshore wind turbine (FOWT), using the open-source computational fluid dynamics (CFD) software, OpenFOAM. In the field of offshore engineering, numerical modelling has become an integral part of the research, design and innovation (RD&I). However, accurate modelling...

... is tank tested at Zhejiang University. A new form of power take-off (PTO) design is introduced, which is that the inertial mass is connected to rotary DC generators by screw drive mechanisms. A numerical model is firstly built with the help of open-source software WEC-Sim and is used to estimate...

... simulation of such problems (Aliyar et al., 2022). The numerical model is based on the coupling of a nonlinear potential flow solver for the incident wave (HOS), a lumped-mass mooring dynamics model (Moordyn) and a CFD code named foamStar, based on OpenFOAM and developed by Centrale Nantes and Bureau Veritas...

... numerical models of layered rock samples through the discrete element method were established to study the influence of soft rock interlayer on the mechanics of the layered rock samples. The results shows that the ultimate strain and compression strength of layered rock sample mainly influenced...

... parameters. Model validations are conducted by comparing the pore pressures between the existing numerical model, wave flume test and the present model. The validated model is applied to investigate the effect of soil non-homogeneity on the wave-induced coupled response (including oscillatory and residual...

... experiment pore pressure build-up implementation geologist germany government reservoir characterization numerical model sumer compaction soil pit seabed response test campaign Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23...

... on the impact pressure was discussed. Euler overlay method (EOM) and additional damping terms were used for numerical generation and absorption of fifth-order Stokes waves, respectively. The free surface was handled by the volume of fluid (VOF) method. The accuracy of the numerical model was verified by being...

...), Liu et al., (2019) and more recently by Molines et al., (2020) who numerically modelled 2329 the wave hydrodynamics on rubble mound breakwaters with different geometries of parapets using OpenFOAM and validated with model scale experiments. Although, many research works have been published...