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Keywords: sph method
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-481
... some tests in the early stage. The numerical method effectively shortens the time to obtain airworthiness certification and save test cost. impact load impact force equation particle spray pattern sph method air transportation droplet experiment tire drop experiment upstream oil...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-631
... ABSTRACT In this paper, a multi-phase SPH method is applied to the dynamic modelling of large-scale bubbles. Firstly, the robust multiphase SPH model and related numerical treatments are briefly recalled. Then, the characteristics of bubble movement in water are studied, and the effects...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-525
... a convenient alternative to the conventional Eulerian schemes. However, SPH method is computationally expensive. So, using GPU accelerated SPH method of DualSPHysics software, this paper presents the evolution of flip-through event created in a 2-D and 3-D sloshing tank with partially filled water...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-007
... approach, the smoothed particle hydrodynamics (SPH) method is emerging as a potential tool for simulating fluid flows and the fluid-structure interaction. And the SPH method has proved to show good performance in simulating the wave-structure interactions in view of its accuracy and stability. But one...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-611
... meshless technique for modelling fluid flows and fluid-structure interaction (FSI) as it is capable to deal with large deformations, complex geometries, violent free-surface flows inducing large abrupt hydrodynamic loads and highly nonlinear phenomena (Violeau, 2012). In general, SPH methods can...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-069
... ABSTRACT Smoothed particle hydrodynamics (SPH) is a particle-based numerical method that is well-suited to fluid flow problems where the computational domain becomes highly deformed. In this paper we use an SPH method to simulate the impact of a flat plate on a water surface, as carried out...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-604
... ABSTRACT With the improvement of Smoothed Particle Hydrodynamic (SPH), it has become one of most vigorous methods for breaking wave simulation. Recently we have developed an improved SPH method for simulating violent flow and two bodies interaction. The main features of this new method include...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-112
... method characterized by the Lagrangian property. In this method, the computational domain is modeled as a series of particles which have mass and carry some information, such as pressure, velocity, etc. Different from the grid- based method, the Lagrangian particles in SPH method are independent of each...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-162
... function is constructed by differentiating the characteristic function based on neural network framework. Numerical results demonstrate the workability and validity of the present approach through the dam-breaking flow problem. formulation particle method sph method application monaghan kernel...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-395
... and then improve this technique for real life phenomena and industrial applications. Toward this end, this work aims to explain the motivations behind utilizing SPH method, recent industrial applications of this technique, as well as challenges in order to make it as an hand-on computational tool. KEY WORDS...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-334
... Abstract With the improvement of Smoothed Particle Hydrodynamic (SPH), it has become one of most vigorous methods for breaking wave simulation. Recently we have developed an improved SPH method for simulating violent flow and wave impact to different angle slopes. The main features of the new...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-361
... ABSTRACT The purpose of this study is to develop a way of simulating regular wave motion by the smoothed particle hydrodynamics (SPH) method. The foundational theory of SPH in this case was discussed, and methods for resolution of the governing equation and some key numerical techniques...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-449
... ABSTRACT: Smoothed Particle Hydrodynamics (SPH) is one kind of mesh-free method with excellent adaptive nature for simulating fluid motion. A two-dimensional numerical wave flume is established with SPH method. An absorbing wavemaker boundary condition for particle method and layout of sponge...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-357
... particle method particle density ratio pressure distribution liu mb pressure time history free surface particle equation numerical simulation number density time history sph method auxiliary function sph particle hydrodynamic identification simulation ABSTRACT: Recently...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-376
... are useful design tools for prevention and mitigation purposes. Conventional grid-based CFD methods suffer from their inherent problems when complex free surface is involved. Smoothed Particle Hydrodynamics (SPH) method, a Lagrangian, particle-based method, is an emerging new CFD tool to model free surface...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-341
... coupling control wavemaker theory zhang schäffer fem-bw model physical model wave generation propagation numerical model second-order coupling theory equation sph method coupling model paddle position artificial intelligence approximate second-order coupling theory time series...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-476
... ABSTRACT Shoaling of solitary waves on a uniform plane beach connected to a constant-depth wave tank is investigated numerically using the smoothed particle hydrodynamics (SPH) method. The characteristics of water surface elevations have been analyzed for wave shoaling. To test the validity...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-522
... of different levels of submergence. Results are compared with experimental data to calibrate the CFD codes. vertical force physical tank test surface elevation renewable energy sph method manchester bobber horizontal cylinder wave energy converter cylinder sustainability boundary cone...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-034
... In this paper the Smoothed Particle Hydrodynamics (SPH) method is applied to the violent sloshing flows in a 2D rectangular tank under a harmonic sway excitation motion. A fully explicit predictor-corrector time stepping scheme is proposed which uses the pressure Poisson equation in the corrector step...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-538
..., Fukuoka, Japan ABSTRACT In the present paper, two-dimensional violent sloshing flows are simulated by a constraint interpolation profile method combined unified procedure (CCUP) and smoothed particle hydrodynamics (SPH) method. The present CCUP scheme is based on finite difference method and constrained...

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