AQUAgpusph, a new free 3D SPH solver accelerated with OpenCL

Cercos-Pita, Jose Luis

doi:10.1016/j.cpc.2015.01.026

Cited by 81 publications

(42 citation statements)

References 48 publications

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“…The favourable vectorisation properties of the explicit particle based methods allow the current and many other solvers (like [23], [24] and [25]) to exploit the abilities of computationally powerful GPGPU's (GeneralPurpose Graphical Processing Unit) rendering the solutions through massively parallel calculations. To further reduce the computational time, the time-consuming data copies between host and device memory are minimised by transferring the partial results from the device only at predifined equidistant simulation-time intervals t s = 0.033s.…”

Section: Simulation Toolsmentioning

confidence: 99%

Modeling Free-surface Solitary Waves with Smoothed Particle Hydrodynamics

Tóth

2017

Period. Polytech. Civil Eng.

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IntroductionThe first known observation of a solitary wave was reported by Scott Russell in 1834 [1]. He studied the behaviour of the solitary waves in laboratory while the first theoretical model explaining them appeared in 1895 by Korteweg and de Vries [2]. The idea of the Korteweg-de Vries (KdV) theory is based on slightly dispersive shallow water waves whose dispersion is balanced by nonlinear effects so that the wave preserves its amplitude and shape during the propagation on arbitrary distances. The exact solution of the KdV equation describes the shape and propagation speed of a soliton.Although the KdV theory can be considered a first order approximation and its solution describes real solitary waves well, higher order approximations can also be constituted. In During the past two decades, owing to its attractive properties and prominent capabilities in modeling free surface flows, SPH became one of the most popular particle based numerical schemes in many different areas of engineering applications, like modeling coastal waves or tsunamies.

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Section: Simulation Toolsmentioning

confidence: 99%

Modeling Free-surface Solitary Waves with Smoothed Particle Hydrodynamics

Tóth

2017

Period. Polytech. Civil Eng.

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“…They used the sorting radix algorithm for inter-GPU particle swapping and subdomain 'halo' building to allow SPH particles of different subdomains interacting. In 2015, Cercos-Pita proposed the software AQUAgpusph [77] based on the use of the freely available Open Computing Language (OpenCL) framework instead of using the Compute Unified Device Architecture (CUDA) platform. In Ref.…”

Section: Introductionmentioning

confidence: 99%

Free-Surface Flow Simulations with Smoothed Particle Hydrodynamics Method using High-Performance Computing

Altomare¹,

Viccione²,

Tagliafierro³

et al. 2018

Computational Fluid Dynamics - Basic Instruments and Applications in Science

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Today, the use of modern high-performance computing (HPC) systems, such as clusters equipped with graphics processing units (GPUs), allows solving problems with resolutions unthinkable only a decade ago. The demand for high computational power is certainly an issue when simulating free-surface flows. However, taking the advantage of GPU's parallel computing techniques, simulations involving up to 10 9 particles can be achieved. In this framework, this chapter shows some numerical results of typical coastal engineering problems obtained by means of the GPU-based computing servers maintained at the Environmental Physics Laboratory (EPhysLab) from Vigo University in Ourense (Spain) and the Tier-1 Galileo cluster of the Italian computing centre CINECA. The DualSPHysics free package based on smoothed particle hydrodynamics (SPH) technique was used for the purpose. SPH is a meshless particle method based on Lagrangian formulation by which the fluid domain is discretized as a collection of computing fluid particles. Speedup and efficiency of calculations are studied in terms of the initial interparticle distance and by coupling DualSPHysics with a NLSW wave propagation model. Water free-surface elevation, orbital velocities and wave forces are compared with results from experimental campaigns and theoretical solutions.

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“…AQUAgpusph validation is thoroughly documented in [96,103]. In [96] the solver is validated for impact pressure in dam-break flows and for the same TLD case studied by [89,90,91].…”

Section: Internal Flow Solver: Aquagpusphmentioning

confidence: 99%

“…AQUAgpusph [96] is a recently released free 3D SPH solver, licensed under GPLv3, and accelerated with OpenCL. SPH is a meshless numerical method that was developed in the seventies and first applied in the nineties to free-surface flows [97], with consistency of the operators in these contexts demonstrated by [98,99,100].…”

Section: Internal Flow Solver: Aquagpusphmentioning

confidence: 99%

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A time-domain finite element method for seakeeping and wave resistance problems

Camas¹

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AQUAgpusph, a new free 3D SPH solver accelerated with OpenCL

Cited by 81 publications

References 48 publications

Modeling Free-surface Solitary Waves with Smoothed Particle Hydrodynamics

Modeling Free-surface Solitary Waves with Smoothed Particle Hydrodynamics

Free-Surface Flow Simulations with Smoothed Particle Hydrodynamics Method using High-Performance Computing

A time-domain finite element method for seakeeping and wave resistance problems

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