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Showing 1 to 20 of 34 for “"Smoothed Particle Hydrodynamics (SPH)"”.
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Liquid Slosh Analysis Using Smoothed Particle Hydrodynamics
… described here is to study the implementation of Smoothed Particle Hydrodynamics (SPH) algorithms as an adequate means for propellant slosh simulations in 1g and 0g environments. The dualSPHysics solver has been adapted for propellant slosh simulations. Simulated sloshing liquid frequency and …
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Smoothed particle hydrodynamics
… 1970s by Lucy [11] and Gingold and Monaghan [4], smoothed particle hydrodynamics (SPH) has been used in many areas. It has grown into a widely-recognized technique with many practical applications. In this thesis, we present a new application of the SPH method: a new algorithm for computing a null …
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Real-Time Smoothed Particle Hydrodynamics For CUDA
… GPU through the CUDA parallel programming model. Smoothed particle hydrodynamics (SPH) simulations are particularly well suited to CUDA implementation due to the high number of data-parallel computations per- formed. Today's GPUs are powerful enough to power SPH simulations at interactive rates …
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Real-Time Smoothed Particle Hydrodynamics For CUDA
… GPU through the CUDA parallel programming model. Smoothed particle hydrodynamics (SPH) simulations are particularly well suited to CUDA implementation due to the high number of data-parallel computations per- formed. Today's GPUs are powerful enough to power SPH simulations at interactive rates …
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Investigation into smoothed particle hydrodynamics for non-newtonian droplet modelling
… to explore a fluid modelling method known as Smoothed Particle Hydrodynamics (SPH) to determine whether it is capable of modelling droplet splatter accurately. Specifically, we chose to investigate an SPH version of a non-Newtonian pressure correction method with surface tension. Three …
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Modelling and validation of agricultural tire-terrain interaction
… tire, two agricultural soils are modelled using Smoothed-Particle Hydrodynamics (SPH) method and calibrated to experimental results. An analytical off-road rigid ring model is used to model the HLFS tire’s interaction with a surface. The soil dynamics of the HLFS tire running on soil is …
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Accelerating a Coupled SPH-FEM Solver through Heterogeneous Computing for use in Fluid-Structure Interaction Problems
… with hyper-elastic structures in which a smoothed particle hydrodynamics (SPH) solver is coupled with a finite-element (FEM) solver. SPH is a mesh-free, Lagrangian numerical technique frequently employed to study physical phenomena involving large deformations, such as fragmentation or …
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A one-way coupled DEM-CFD scheme to mode free-surface flows in tumbling mills
… Existing 3-phase work makes use of a purely particle-based description, coupling the discrete element method (DEM) for the solids with smoothed particle hydrodynamics (SPH) for the fluids. This work is the first presentation of a 3-phase approach for tumbling mills that combines a particle …
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Physical modeling and high-performance GPU computing for characterization, interception, and disruption of hazardous near-Earth objects
… trajectory. This thesis applies the ideas of Smoothed Particle Hydrodynamics (SPH) theory to the NEO disruption problem. A simulation package was designed that allows efficacy simulation to be integrated into the mission planning and design process. This is done by applying ideas in …
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Design of effective traveling wave sloshing absorbers for structural control
… as an effective structural control mechanism. Smoothed Particle Hydrodynamics (SPH) is used as a numerical modeling tool to predict fluid behaviour within the sloshing absorber, and the fluid-structure interaction forces produced when coupled to a structure. Close correspondence is seen between …
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Algorithms for particle remeshing applied to smoothed particle hydrodynamics
This thesis outlines adaptivity schemes for particle-based methods for the simulation of nearly incompressible fluid flows. As with the remeshing schemes used in mesh and grid-based methods, there is a need to use localized refinement in particle methods to reduce computational costs. Various forms …
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Modeling and analysis of off-road tire cornering characteristics
… tests for Finite Element Analysis (FEA) and Smoothed Particle Hydrodynamics (SPH) analysis of rolling tire interactions on deformable terrains. SPH method and hydrodynamics-elastic plastic material were used to simulate different soil types that are often utilized in vehicle-terrain …
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Beschleunigung Hydrodynamischer Astrophysikalischer Simulationen mit FPGA-Basierten Rekonfigurierbaren Koprozessoren
… schränkt die dazu eingesetzte Simulationsmethode Smoothed Particle Hydrodynamics (SPH) die erzielbare Rechenleistung des Gesamtsystems stark ein. Es wurde der Ansatz verfolgt, durch den Einsatz einer FPGA-basierten Koprozessorplattform das SPH-Verfahren zu beschleunigen. Analysen der …
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Aplicação do método computacional smoothed particle hydrodynamics para simulação de mecanismos de transposição de peixes em hidrelétricas
… O objetivo é avaliar um método CFD sem malha, Smoothed Particle Hydrodynamics (SPH), para simular o escoamento na superfície livre de um MTP do tipo ranhura vertical. Sua é aplicado para simular o escoamento de um MTP do tipo ranhura vertical. Sua precisão é avaliada através da comparação do …
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Material Characterization and Numerical Techniques for Accurate Prediction of Snow-Tire Interactions
… including Arbitrary Lagrangian-Eulerian (ALE), Smoothed Particle Hydrodynamics (SPH), and a hybrid SPH-FEM was evaluated. Simulations of in-situ devices such as the CTI penetrometer, Clegg hammer, and vane-cone device compared method performance in terms of accuracy, stability, and computational …
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Development of FEA wide-base truck tire and soil interaction models
… various soil models are created by using FEA and Smoothed Particle Hydrodynamics (SPH), as a representative of dry sand soil. Soil models are calibrated by using shear-displacement and pressure-sinkage simulation tests. The simulation results are then compared to published data. Also, the created …
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SPH Modeling of Solitary Waves and Resulting Hydrodynamic Forces on Vertical and Sloping Walls
… results of a numerical model based on the Smoothed Particle Hydrodynamics (SPH) method which is used to simulate the impact of extreme hydrodynamic forces on shore protection walls. Typically, fluids are modeled numerically based on a Lagrangian approach, an Eulerian approach or a …
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Quantifying the Effects of Uncertainty in a Decentralized Model of the National Airspace System
… between vehicles. By incorporating a Smoothed Particle Hydrodynamics (SPH) based model, discrete particle aircraft each carry a set of unique deterministic and stochastic properties. With this model, aircraft interaction can be studied to better understand how variations in the …
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A study of the charge structure and energy utilisation in a Stirred Media Detritor using DEM-SPH
… coupled Discrete Element Method (DEM) and Smoothed Particle Hydrodynamics model is used to achieve this. The ceramic grinding media is represented by the DEM component of the model, which is fully resolved, while the slurry (water and fine particles) is represented by the Smoothed Particle …
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Smoothed Particle Hydrodynamic Modeling of Solid State Additively Manufactured Aluminum Alloys
… solution is to use a meshfree framework, such as smoothed particle hydrodynamics (SPH), which better handles large deformation processes. This work aims to create a meshfree framework, improve it, and utilize it to better understand AFS-D and provide predictive power to improve AFS-D …
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