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Tesis sobre el tema "Smoothed particle hydrodynamics"

Autor: Grafiati
Publicado: 4 de junio de 2021
Última modificación: 25 de julio de 2025

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1

Lin, Feng Ying. "Smoothed particle hydrodynamics." Mémoire, Université de Sherbrooke, 2005. http://savoirs.usherbrooke.ca/handle/11143/4654.

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Since its introduction in the late 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 divergence velocity field using SPH for incompressible flow - a pure SPH solution of the Helmholtz-Hodge decomposition. Also, a new version of the Laplacian for SPH is proposed and the advantages and disadvantages of different gradient and Laplacian approximation fo
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2

Akinci, Nadir [Verfasser], and Matthias [Akademischer Betreuer] Teschner. "Interface handling in smoothed particle hydrodynamics = Interface-Handhabung in Smoothed Particle Hydrodynamics." Freiburg : Universität, 2014. http://d-nb.info/1114829331/34.

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3

Galagali, Nikhil. "Algorithms for particle remeshing applied to smoothed particle hydrodynamics." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/55074.

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Thesis (S.M.)--Massachusetts Institute of Technology, Computation for Design and Optimization Program, 2009.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 57-59).<br>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 of particle refinement have been proposed for particle-based methods such as Smoothed Particle H
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4

Vijaykumar, Adithya. "Smoothed Particle Hydrodynamics Simulation for Continuous Casting." Thesis, KTH, Matematik (Inst.), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105554.

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This thesis proposes a way of simulating the continuous casting process of steel using Smoothed Particle Hydrodynamics (SPH). It deals with the SPH modeling of mass, momentum and the energy equations. The interpolation kernel functions required for the SPH modeling of these equations are calculated. Solidification is modeled by some particles are used to represent fluids and others solids. Elastic forces are calculated between the particle neighbors to create deformable bodies. The fluid solidifies into the elastic body when it cools down and the elastic body melts as it is heated. In continuo
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5

McCabe, Christopher. "Smoothed particle hydrodynamics on graphics processing units." Thesis, Manchester Metropolitan University, 2012. http://e-space.mmu.ac.uk/304852/.

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A recent development in Computational Fluid Dynamics (CFD) has been the meshless method calledWeakly Compressible Smoothed Particle Hydrodynamics (WCSPH), which is a Lagrangian method that tracks physical quantities of a fluid as it moves in time and space. One disadvantage of WCSPH is the small time steps required due to the use of the weakly compressible Tait equation of state, so large scale simulations using WCSPH have so far been rare and only performed on very expensive CPU-based supercomputers. As CFD simulations grow larger and more detailed, the need to use high performance computing
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6

Ismail, Ernesto Bram. "Smoothed particle hydrodynamics for nonlinear solid mechanics." Master's thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/11888.

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Includes abstract.<br>Includes bibliographical references (leaves 115-117).<br>Smooth Particle Hydrodynamics (SPH) is one of the simplest meshless methods currently in use. The method has seen significant development and has been the germination point for many other meshless methods. The development of new meshless methods regularly uses standard SPH as a starting point, while trying to improve on issues related to consistency and stability. Despite these perceived flaws it is favoured by many researchers because of its simple structure and the ease with which it can be implemented.
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7

Parameswaran, Gopalkrishnan. "Smoothed Particle Hydrodynamics studies of heap leaching hydrodynamics and thermal transport." Thesis, Imperial College London, 2015. http://hdl.handle.net/10044/1/39879.

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This thesis is concerned with the development and application of Smoothed Particle Hydrodynamics (SPH) models for studying multiphase flows such as those relevant to the analysis of the hydrodynamics and thermal transport involved in heap leaching. The improvements made here to the modelling aspects of multiphase SPH are seen to bring about measurable improvements to solution quality. A relative density formulation and a 'compressibility-matching' method for handling interfaces eliminate what would otherwise be significant obstacles to obtaining stable and smooth pressure fields. The convergen
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8

Strand, Russell K. "Smoothed particle hydrodynamics modelling for failure in metals." Thesis, Cranfield University, 2010. http://dspace.lib.cranfield.ac.uk/handle/1826/6773.

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It is generally regarded to be a difficult task to model multiple fractures leading to fragmentation in metals subjected to high strain rates using numerical methods. Meshless methods such as Smoothed Particle Hydrodynamics (SPH) are well suited to the application of fracture mechanics, since they are not prone to the problems associated with mesh tangling. This research demonstrates and validates a numerical inter-particle fracture model for the initiation, growth and subsequent failure in metals at high strain rate, applicable within a Total Lagrangian SPH scheme. Total Lagrangian SPH perfor
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9

Spreng, Fabian [Verfasser]. "Smoothed Particle Hydrodynamics for Ductile Solids / Fabian Spreng." Aachen : Shaker, 2017. http://d-nb.info/1139583565/34.

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10

Anathpindika, Sumedh V. "Smoothed particle hydrodynamics simulations of colliding molecular clouds." Thesis, Cardiff University, 2008. http://orca.cf.ac.uk/54779/.

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The galactic disk is largely composed of hot, rarefied gas also called the inter cloud medium (ICM). The cooler regions of the ICM are dominated by molecular species and dust. Immersed in this neutral medium are dense agglomerations of primarily H2, called giant molecular clouds (GMCs). The GMCs have a velocity dispersion of order a few km s_1, superimposed on their orbital motion. A GMC, over a single period of rotation of the galaxy, may undergo a few tens of collisions. In the present work, we investigate this rather violent phenomenon and examine the prospects of star formation in the post
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11

Connolly, Adam. "Smoothed particle hydrodynamics for high velocity impact simulations." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/17983.

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The subject of this work is the application of the Smoothed Particle Hydrodynamics (SPH) method to modelling high-velocity impact dynamics. The first part of this thesis proposes an extension of the original first-order Godunov SPH scheme, for material with strength, to second-order in space using a time-splitting approach for the hydrodynamic and deviatoric components of the stress tensor. A non-linear slope-limiting procedure is used to extend the hydrodynamic component to second-order while the deviatoric component is discretized directly. Exact conservation of total energy is enforced in t
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12

Ritchie, Benedict William. "Multiphase smoothed-particle hydrodynamics and the intracluster medium." Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367789.

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13

Bao, Yanyao. "Smoothed Particle Hydrodynamics Simulations for Dynamic Capillary Interactions." Thesis, The University of Sydney, 2018. http://hdl.handle.net/2123/19592.

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Complex interactions in porous media play an important role on many industrial and geotechnical applications, such as groundwater treatment, porous catalysts, carbon geosequestration, and oil recovery. Rate-dependent wetting effects are of great significance in understanding the multiphase behaviours of porous media thus further throw light on engineering solutions to the above problems. In this thesis, a modified smoothed particle hydrodynamics (SPH) model is applied to simulate (1) the contact angle dynamics and (2) stretching of liquid bridge at meso-scale. This SPH model adopted an inter-p
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14

Ulrich, Christian [Verfasser], and Thomas [Akademischer Betreuer] Rung. "Smoothed-particle-hydrodynamics simulation of port hydrodynamic problems / Christian Ulrich. Betreuer: Thomas Rung." Hamburg-Harburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2013. http://d-nb.info/1048574903/34.

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15

Ulrich, Christian Verfasser], and Thomas [Akademischer Betreuer] [Rung. "Smoothed-particle-hydrodynamics simulation of port hydrodynamic problems / Christian Ulrich. Betreuer: Thomas Rung." Hamburg-Harburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2013. http://nbn-resolving.de/urn:nbn:de:gbv:830-tubdok-12458.

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16

Relaño, Castillo Antonio. "AxisSPH:devising and validating an axisymmetric smoothed particle hydrodynamics code." Doctoral thesis, Universitat Politècnica de Catalunya, 2012. http://hdl.handle.net/10803/83525.

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A two-dimensional axisymmetric implementation of the smoothed particle hydrodynamics (SPH) technique, called for short AxisSPH, has been described in this thesis, along with a number of basic tests and realistic applications. The main goal of this work was to fill a gap on a topic which has been scarcely addressed in the published literature concerning SPH. Although the application of AxisSPH to the simulation of real problems is restricted to those systems which display the appropriate symmetry there are, however, many interesting examples of physical systems which evolve following the ax
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17

He, Lisha. "Improvement and application of smoothed particle hydrodynamics in elastodynamics." Thesis, Durham University, 2015. http://etheses.dur.ac.uk/11314/.

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This thesis explores the mesh-free numerical method, Smooth Particle Hydrodynamics (SPH), presents improvements to the algorithm and studies its application in solid mechanics problems. The basic concept of the SPH method is introduced and the governing equations are discretised using the SPH method to simulate the elastic solid problems. Special treatments are discussed to improve the stability of the method, such as the treatment for boundary problems, artificial viscosity and tensile instability. In order to improve the stability and efficiency, (i) the classical SPH method has been combine
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18

Walker, Richard Thomas. "Computational Steering of Smoothed Particle Hydrodynamics Simulations for Astrophysics." Thesis, University of Kent, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.499677.

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19

Pan, Kai Ph D. Massachusetts Institute of Technology. "Simulating fluid-solid interaction using smoothed particle hydrodynamics method." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/109642.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 97-102).<br>The fluid-solid interaction (FSI) is a challenging process for numerical models since it requires accounting for the interactions of deformable materials that are governed by different equations of state. It calls for the modeling of large deformation, geometrical discontinuity, material failure, including crack propagation, and the computation of flow induced loads on evolving fluid-so
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20

Santos, Ricardo Dias dos. "Uma formulação implícita para o método Smoothed Particle Hydrodynamics." Universidade do Estado do Rio de Janeiro, 2014. http://www.bdtd.uerj.br/tde_busca/arquivo.php?codArquivo=6751.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Em uma grande gama de problemas físicos, governados por equações diferenciais, muitas vezes é de interesse obter-se soluções para o regime transiente e, portanto, deve-se empregar técnicas de integração temporal. Uma primeira possibilidade seria a de aplicar-se métodos explícitos, devido à sua simplicidade e eficiência computacional. Entretanto, esses métodos frequentemente são somente condicionalmente estáveis e estão sujeitos a severas restrições na escolha do passo no tempo. Para problemas advectivos, governados por equações hip
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21

Mason, Luke Stephen. "Modelling cold spray splat morphologies using Smoothed Particle Hydrodynamics." Thesis, Heriot-Watt University, 2015. http://hdl.handle.net/10399/3090.

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The small scale, short duration and hostile environment for instrumentation presented by cold spray coating makes experimental observations challenging, and therefore requires computational models capable of capturing the splat formation process. Current coating models are dominated by the Finite Element Method (FEM); whilst this has lead to significant improvements in understanding, the method is limited due to the reliance on a mesh coupled with the significant strains and strain rates involved. Eulerian methods have also been applied but retrieval of material histories and accurate interfac
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22

Green, Mashy David. "Sloshing simulations with the smoothed particle hydrodynamics (SPH) method." Thesis, Imperial College London, 2016. http://hdl.handle.net/10044/1/45367.

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The main aims of this work are to identify, verify, and validate a smoothed particle hydrodynamics (SPH) method for simulating long duration transient and steady- state fluid sloshing in complex geometries. The validation will be carried out by comparing the SPH simulations against experimental data provided by ESA/ESTEC for transient and steady-state sloshing in a rectangular tank with a low filling ratio and of transient sloshing in a pill-shaped tank that exhibits transition from swaying to swirling waves. The experimental tests proved to be extremely challenging due to the low fill ratio o
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23

Bai, Jinshuai. "A data-driven smoothed particle hydrodynamics method for fluids." Thesis, Queensland University of Technology, 2021. https://eprints.qut.edu.au/211354/1/Jinshuai_Bai_Thesis.pdf.

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This thesis proposed a novel Data-Driven Smoothed Particle Hydrodynamics (DDSPH) method that, instead of applying the empirical rheological models, utilizes discrete experimental datasets to close the Navier-Stokes equations for hydrodynamic modelling. Besides, the chained hashing algorithm is applied to improve the efficiency of the data retrieval and the robustness of the method with respect to the noisy data is achieved via adding a variable that qualifies the relevance of data points to the clusters. The proposed DDSPH method introduces a new avenue for hydrodynamic modelling and has great
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24

Gathmann-Hüttemann, Stefan. "Untersuchungen über objektorientierte Design-Patterns für massiv-parallele Teilchensimulationsverfahren anhand von smoothed particle hydrodynamics." [S.l. : s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=964104091.

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25

Gartner, Nicolas. "Identification de paramètres hydrodynamiques par simulation avec Smoothed Particle Hydrodynamics." Electronic Thesis or Diss., Toulon, 2020. http://www.theses.fr/2020TOUL0004.

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Cette thèse porte sur les techniques de simulations des interactions dynamiques entre un véhicule sous-marin et l'eau qui l'entoure. L'objectif principal est de proposer une solution satisfaisante pour pouvoir, en amont du processus de conception, tester des algorithmes de contrôle et des formes de coques pour véhicules sous-marins. Il serait alors intéressant de pouvoir simuler en même temps la dynamique du solide et celle du fluide. L'idée développée dans cette thèse est d'utiliser la technique Smoothed Particles Hydrodynamics (SPH), qui est très récente et qui modélise le fluide comme un en
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26

Jonsson, Patrick. "Smoothed particle hydrodynamics in hydropower applications : modeling of hydraulic jumps." Licentiate thesis, Luleå tekniska universitet, Strömningslära och experimentell mekanik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-16867.

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In present thesis, the Lagrangian particle based method Smoothed ParticleHydrodynamics (SPH) is used to model two-dimensional problems associated with hydropower applications such as dam break evolution and hydraulic jumps. In the SPHmethod, the fluid domain is represented by a set of non-connected particles which possess individual material properties such as mass, density, velocity, position and pressure. Besides representing the problem domain and acting as information carriers the particles also act as the computational frame for the field function approximations. As the particles move wit
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27

Bhojwani, Shekhar. "Smoothed particle hydrodynamics modeling of the friction stir welding process." To access this resource online via ProQuest Dissertations and Theses @ UTEP, 2007. http://0-proquest.umi.com.lib.utep.edu/login?COPT=REJTPTU0YmImSU5UPTAmVkVSPTI=&clientId=2515.

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28

Stinson, Gregory. "Supernova feedback in smoothed particle hydrodynamics simulations of galaxy formation /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/5428.

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29

Johansson, Ann. "Video Games Fluid Flow Simulations Towards Automation : Smoothed Particle Hydrodynamics." Thesis, Uppsala universitet, Avdelningen för beräkningsvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-219951.

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A complete understanding of the cooling process when hot rolling steel is essential to understanding how the quality of the steel is connected to the cooling. This is why it is of great interest to simulate this process. However traditional CFD methods are too expensive in terms of CPU time. Knowing that video games successfully simulate fluids in reasonable time, those methods could be useful for simulating the cooling process in steel manufacturing. This would mean a loss in accuracy that could be acceptable. In this thesis different methods used for fluid simulations have been studied. The
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30

Yue, Thomas Chun Long. "Numerical simulation of multiphase jet fragmentation using Smoothed Particle Hydrodynamics." Thesis, University of Nottingham, 2015. http://eprints.nottingham.ac.uk/28329/.

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This thesis is devoted to the study of multiphase jet fragmentation using Smoothed Particle Hydrodynamics (SPH). The theoretical aspects of three hydrodynamic instabilities, namely the Kelvin-Helmholtz instability (KHI), Rayleigh-Taylor instability (RTI), and Rayleigh Plateau instability (RPI) are reviewed. The linear growth rate of the combined KHI and RTI are derived by means of linear perturbation in chapter 2. The linear growth rate of the multiphase RPI is presented in chapter 7. An overview of the Smoothed Particle Hydrodynamics is given in chapter 3. A pseudo-consistent SPH scheme is pr
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31

Jian, Wei. "Smoothed particle hydrodynamics modelling of dam-break flows and wave structure interactions." Thesis, University of Cambridge, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.648472.

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32

Kiara, Areti. "Analysis of the smoothed particle hydrodynamics method for free-surface flows." Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/57890.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2010.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 306-309).<br>Smoothed Particle Hydrodynamics (SPH) is a simple and attractive meshless Lagrangian particle method with applications in many fields such as astrophysics, hydrodynamics, magnetohydrodynamics, gas explosions, and granular flows that has demonstrated ability to simulate highly non-linear free-surface flows including wave overturning, jets, and the formation of spray and droplets. Despite the increasing pop
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33

Shen, Liang. "Applications of smoothed particle hydrodynamics on 3D nonlinear free surface flows." Thesis, University of Strathclyde, 2011. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=17825.

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34

Sun, Fanfan. "Investigations of smoothed particle hydrodynamics method for fluid-rigid body interactions." Thesis, University of Southampton, 2013. https://eprints.soton.ac.uk/355957/.

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The aim of this project is to investigate the capability of smoothed particle hydrodynamics (SPH) method for fluid-rigid body interactions. SPH is one of the most widely used meshless methods which use particles to represent the system. The fluid is assumed either slightly compressible so weakly compressible SPH (WCSPH) is applied or truly incompressible so incompressible SPH method (ISPH) is adopted. The performance of SPH method is affected by a number of modelling parameters including the choice of kernel functions, smoothing length, total number of particles and time step size. Investigati
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35

Machrouki, Hicham. "Incompressibilité et conditions aux limites dans la méthode Smoothed particle hydrodynamics." Poitiers, 2012. http://theses.univ-poitiers.fr/25282/2012-Machrouki-Hicham-These.pdf.

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Nous présentons une méthode numérique particulaire pour résoudre les équations de Navier-Stockes en formulation vitesse-pression pour la modélisation bidimensionnelle des écoulements incompressibles en présence d'obstacles. Cette méthode s'appuie sur la formulation Smoothed particles hydrodynamics pour le calcul du transport des moments. L'absence de maillage structuré permet de traiter des domaines d'écoulement avec des frontières complexes. Par ailleurs, le calcul du champ de pression est réalisé par la résolution d'une équation de poisson assurant l'incompressibilité de l'écoulement et les
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36

Mokos, Athanasios Dorotheos. "Multi-phase modelling of violent hydrodynamics using Smoothed Particle Hydrodynamics (SPH) on Graphics Processing Units (GPUs)." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/multiphase-modelling-of-violent-hydrodynamics-using-smoothed-particle-hydrodynamics-sph-on-graphics-processing-units-gpus(a82b8187-f81a-400b-8bd2-9a74c502a953).html.

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This thesis investigates violent air-water flows in two and three dimensions using a smoothed particle hydrodynamics (SPH) model accelerated using the parallel architecture of graphics processing units (GPUs). SPH is a meshless Lagrangian technique for CFD simulations, whose major advantage for multi-phase flows is that the highly nonlinear behaviour of the motion of the interface can be implicitly captured with a sharp interface. However, prior to this thesis performing multi-phase simulations of large scale air-water flows has been prohibitive due to the inherent high computational cost. The
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37

Lok, Tak-Shun Lawrence. "Analysis of smoothed particle hydrodynamics method for 2D free-surface flow applications." Thesis, Swansea University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599578.

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38

Bate, Matthew Russell. "The role of accretion in binary star formation." Thesis, University of Cambridge, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.388852.

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39

Oxley, Stephen. "Modelling the capture theory for the origin of planetary systems." Thesis, University of York, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313850.

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40

Muir, Stuart. "A relativisitic, 3-dimensional smoothed particle hydrodynamics (SPH) algorithm and its applications." Monash University, School of Mathematical Sciences, 2003. http://arrow.monash.edu.au/hdl/1959.1/9513.

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41

Müller, Alexandra [Verfasser]. "Dynamic Refinement and Coarsening for the Smoothed Particle Hydrodynamics Method / Alexandra Müller." Aachen : Shaker, 2017. http://d-nb.info/1124366555/34.

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42

Forgan, Duncan Hugh. "Probing self-gravitating protostellar discs using smoothed particle hydrodynamics and radiative transfer." Thesis, University of Edinburgh, 2011. http://hdl.handle.net/1842/4883.

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Stars are likely to form with non-zero initial angular momentum, and will consequently possess a substantial gaseous protostellar disc in the early phases of their evolution. At this early stage, the disc mass is expected to be comparable to the mass of the protostar. The disc’s self-gravity therefore plays an important role in the subsequent evolution of the system, regulating the accretion of matter onto the protostar, as well as being potentially capable of forming low mass stars and massive planets by disc fragmentation. The protostellar disc may later evolve into a protoplanetary disc, pr
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43

Whitehouse, Stuart Charles. "Radiative transfer using smoothed particle hydrodynamics and its application to star formation." Thesis, University of Exeter, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421588.

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44

Chen, Zipeng. "A Smoothed Particle Hydrodynamics Approach for Modelling Meso-scale Fluid–Fracture Interaction." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/28188.

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The fluid–fracture interaction at meso-scale is vital in numerous applications and challenging for numerical studies. During this process, the solid deforms or even damages due to the force transmitted from the surrounding fluid, whereas the deformation and failure of the solid in turn change the flow behaviour. Besides, the surface tension and wettability at meso-scale can have considerable effects on fluid behaviour. As a particle-based approach, the smoothed particle hydrodynamics (SPH) has shown its capability in modelling the flow at multiscale and potential in reproducing the fracture. T
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45

Zerbe, Haoyue [Verfasser]. "Modeling of Laser Welding with the Smoothed Particle Hydrodynamics Method / Haoyue Zerbe." Düren : Shaker, 2020. http://d-nb.info/1211930874/34.

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46

Veen, Daniel John. "A smoothed particle hydrodynamics study of ship bow slamming in ocean waves." Thesis, Curtin University, 2010. http://hdl.handle.net/20.500.11937/1694.

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Smoothed Particle Hydrodynamics (SPH) is a mesh-free Lagrangian computational method suited to modelling fluids with a freely deforming surface. This thesis describes the development, validation and application of a two-dimensional Smoothed Particle Hydrodynamics algorithm to the problem of ship bow slamming in regular ocean waves. Slam events often occur in rough seas and have the potential to cause significant structural and payload damage due to the loads and subsequent whipping experienced by the ship. SPH is well suited to modelling ship bow slamming because the interaction between the bo
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47

Lin, Yixin. "A Local Surface Reconstruction Algorithm for Surface Tension Simulation in Smoothed Particle Hydrodynamics." University of Cincinnati / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1613752656589083.

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48

Meglicki, Zdzislaw, and Zdzislaw Meglicki [gustav@perth ovpit indiana edu]. "Analysis and Applications of Smoothed Particle Magnetohydrodynamics." The Australian National University. Research School of Physical Sciences, 1995. http://thesis.anu.edu.au./public/adt-ANU20080901.114053.

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Smoothed Particle Hydrodynamics (SPH) is analysed as the weighted residual method. In particular the analysis focuses on the collocation aspect of the method. Using Monte Carlo experiments we demonstrate that SPH is highly sensitive to node disorder, especially in its symmetrised energy and momentum conserving form. This aspect of the method is related to low [Beta] MHD instabilities observed by other authors. A remedy in the form of the Weighted Differences Method is suggested, which addresses this problem to some extent, but at a cost of losing automatic conservation of energy and momen
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49

Munro, David. "Toward a rigorous derivation of a stable and consistent smoothed particle hydrodynamics method." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/11164.

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The aim of this thesis is to provide an investigation toward a rigorous derivation of a stable and consistent numerical method based on the established Smoothed Particle Hydrodynamics method. The method should be suitable for modelling the large deformation transient response of fluids and solids, the interests of the Crashworthiness, Impact and Structural Mechanics group (CISM) at Cranfield University. A literature review of the current state of the art of the SPH method finds that the conventional SPH equations are not derived in a rigorous way, often the equations are manipulated into a mat
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50

Hernández, Zubeldia Elizabeth. "Aplicação do método Smoothed Particle Hydrodynamics ao estudo de erosão superficial de solos." reponame:Repositório Institucional da UnB, 2017. http://repositorio.unb.br/handle/10482/23607.

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Tese (doutorado)—Universidade de Brasília, Faculdade de Tecnologia, Departamento de Engenharia Civil e Ambiental, 2017.<br>Submitted by Raquel Almeida (raquel.df13@gmail.com) on 2017-05-26T20:13:07Z No. of bitstreams: 1 2017_ElizabethHernándezZubeldia.pdf: 5346165 bytes, checksum: 7f1c1db1efc4694f63f446e4a9deef56 (MD5)<br>Approved for entry into archive by Raquel Viana (raquelviana@bce.unb.br) on 2017-05-30T11:39:16Z (GMT) No. of bitstreams: 1 2017_ElizabethHernándezZubeldia.pdf: 5346165 bytes, checksum: 7f1c1db1efc4694f63f446e4a9deef56 (MD5)<br>Made available in DSpace on 2017-05-30T11:39:16Z
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