... ABSTRACT The DEM (Discrete Element Method) – FEM (Finite Element Method) coupling analyses were performed using vessels with elastic bottom plate which have various aspect ratio. In the results of the analyses whose aspect ratio of the inner bottom plate is greater than 1, the arch effect...

... to offshore engineering applications. KEY WORDS: Spectral element method; high-order numerical scheme; wave-body interactions; 1st FOWT Comparative Study; water waves; marine hydrodynamics. INTRODUCTION Over the past decades, the importance and need for sustainable, renewable, and reliable energy resources...

... ship oblique wave nonlinear simulation wave direction simulation coarse mesh interaction problem element method velocity vector acceleration potential algorithm free surface equation body surface pressure distribution derivative term roll motion ABSTRACT Harsh sea...

... element method equation element model flexible body passenger transportation excitation element method coefficient deformation impact noise ship cabin hammer numerical prediction model virtual modal method iso frequency Proceedings of the Thirty-third (2023) International Ocean and Polar...

... process, and the motion of broken ice are simulated, and the ice resistances obtained by FEM/SPH coupling method and model test are compared to verify the effectiveness of this proposed coupling method. hydraulic fracturing ice resistance coupling effect ship ice water element method coupling...

... subdomains. In interior harbour, the velocity potential is expanded into series of eigenfunctions, while in exterior harbour with a free surface, the velocity potential is solved by boundary element method through a modified Green function. An inner product is introduced to impose the impermeable condition...

... romberg quadrature method calculation time panel method water depth free surface green function algorithm engineering newman velocity potential reservoir simulation wave-structure interaction problem program fluhan software wadam element method integration method ABSTRACT...

..., and the fiber particles are arranged like a string wrapping the rubbles. The deformation of the model on rubble structure under wave action is computed by a combination use of two numerical models: CADMAS-SURF and Discrete Element Method (DEM). The model input parameters are optimized for reproducing...

... ABSTRACT Cutter suction dredger is one of the most widely used dredger types in Waterway Dredging Engineering, with the advantages of strong adaptability to complex environment and high efficiency. Based on DEM (discrete element method), this paper studies the cutting efficiency of rock cutter...

... ABSTRACT Ice bending fracturing is a major failure mode for sea ice act on offshore wind turbines (OWTs) with icebreaker. The cohesive element method (CEM) is applied to simulate the bending fracturing and fragmentation accumulation of the level ice in the presented study. The elastoplastic...

... ABSTRACT A numerical model of ship-to-ship hydrodynamic interactions was established based on the Taylor Expansion Boundary Element Method (TEBEM), and the validity and accuracy of the proposed method were verified based on the published ship model test data. And the model was used...

..., 2020). Focusing on creating a model with high accuracy we have chosen to employ a high-order finite element method, namely the Spectral Element Method (SEM), see e.g. Kopriva (2009) for a general overview and Xu et al. (2018) for a recent review on SEM for water waves. Besides providing high accuracy...

... with a xed vertical cylinder using a boundary element method Tian Geng1,2 and Frederic Dias1,2 1School of Mathematics and Statistics, University College Dublin, Bel eld, Dublin 4, Ireland 2Earth Insitute, University College Dublin, Bel eld, Dublin 4, Ireland ABSTRACT To develop a global understanding...

... for researching sloshing phenomena. In Gedikli and Erguven (2003), a Variational Boundary Element Method (VBEM) based on the Hamilton's principle was presented to investigate the effect of a rigid baffle on the natural frequencies of the sloshing in a cylindrical container. Firouz et al. (2010) developed a modal...

.... engineering ns-vof model free surface fnpf model wave interaction element method wave tank eatock taylor free surface elevation equation cylinder openfoam wave generation interaction simulation wave-structure interaction experimental measurement boundary condition qian numerical result...

.... The former is solved by using the Quasi Lagrangian Eulerian Finite Element Method (QALE-FEM) and the latter is solved using the OpenFOAM by the finite volume method with the volume of fluid for identifying the free surface. In this paper, one-way coupling is used in qaleFOAM. For the purpose of comparison...

... ABSTRACT Cohesive Element Method (CEM) is based on fracture mechanics and Finite Element Method (FEM) and it can describe the generation of cracks to a certain extent through the failure of cohesive elements and has good reliability and accuracy. Based on the CEM, a cone-ice collision model...

... ABSTRACT Simulating ice loads accurately will provide a powerful support for the design and manufacture of polar structures. The cohesive element method is highly effective to conduct ice load numerical simulation. In this paper, ice load is simulated based on finite element method and cohesive...

... ABSTRACT The collision of ice-lighthouse was studied with defect ice sheet model and cohesive element method. The elastic modulus of ice model affected by initial defects was also considered. Firstly, several ice bulk elements labeled as initial defects were deleted from the ice model...

... phenomenon single pile finite element method soil solid element pile foundation frequency engineering natural frequency element method bridge interaction reaction force scour depth loading Finite Element Frequency Analysis of Bridge Pier under the Soil-Pile Interaction H.-T. Hu, P.-J. Chen...