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A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments

A Smoothed Particle Hydrodynamics Method for the Simulation of Centralized Sloshing Experiments
Author: Alexander Vorobyev
Publisher: KIT Scientific Publishing
Total Pages: 144
Release: 2014-07-31
Genre: Science
ISBN: 3866449534

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The Smoothed Particle Hydrodynamics (SPH) method is proposed for studying hydrodynamic processes related to nuclear engineering problems. A problem of possible recriticality due to the sloshing motions of the molten reactor core is studied with SPH method. The accuracy of the numerical solution obtained in this study with the SPH method is significantly higher than that obtained with the SIMMER-III/IV reactor safety analysis code.


Safety of Sodium-Cooled Fast Reactors

Safety of Sodium-Cooled Fast Reactors
Author: Songbai Cheng
Publisher: Springer Nature
Total Pages: 313
Release: 2021-09-27
Genre: Science
ISBN: 9811661162

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This book highlights the advances and trends in the safety analysis of sodium-cooled fast reactors, especially from the perspective of particle bed-related phenomena during core disruptive accidents. A sodium-cooled fast reactor (SFR) is an optimized candidate of the next-generation nuclear reactor systems. Its safety is a critical issue during its R&D process. The book elaborates on research progresses in particle bed-related phenomena in terms of the molten-pool mobility, the molten-pool sloshing motion, the debris bed formation behavior, and the debris bed self-leveling behavior. The book serves as a good reference for researchers, professionals, and postgraduate students interested in sodium-cooled fast reactors. Knowledge provided is also useful for those who are engaging in severe accident analysis for lead-cooled fast reactors and light water reactors.


Smoothed Particle Hydrodynamics

Smoothed Particle Hydrodynamics
Author: Gui-Rong Liu
Publisher: World Scientific
Total Pages: 476
Release: 2003
Genre: Science
ISBN: 9789812564405

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This is the first-ever book on smoothed particle hydrodynamics (SPH)and its variations, covering the theoretical background, numericaltechniques, code implementation issues, and many novel and interestingapplications.


Big Data Applications and Services 2017

Big Data Applications and Services 2017
Author: Wookey Lee
Publisher: Springer
Total Pages: 214
Release: 2018-08-16
Genre: Technology & Engineering
ISBN: 9811306958

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This proceedings volume contains selected papers from the Fourth International Conference on Big Data Applications and Services (BigDAS 2017), held in Tashkent, Uzbekistan on August 15-18, 2017. Big data has become a core technology providing innovative solutions in many fields including social media, healthcare and manufacturing. The Fourth International Conference on Big Data Applications and Services (BigDAS 2017) presented innovative results, encouraged academic and industrial interaction, and promoted collaborative research in the field of big data worldwide. The conference was organized by the Korea Big Data Services Society and National University of Uzbekistan.


Applications of Smoothed Particle Hydrodynamics on 3D Nonlinear Free Surface Flows

Applications of Smoothed Particle Hydrodynamics on 3D Nonlinear Free Surface Flows
Author: Liang Shen
Publisher:
Total Pages: 0
Release: 2011
Genre:
ISBN:

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As a branch of CFD, Meshless method called 'Smoothed Particle Hydrodynamics' (SPH) has the advantage to deal with complicated free surface flows and some other attractive features. In this thesis, a robust, accurate and efficient SPH code was developed to simulate the 3D nonlinear free surface flows. MPI (message passing interface) was adopted for parallelization. Approximate solid ghost particles were proposed to simulate general 3D geometry on solid boundaries. Local pressure evaluation method was used to calculate response loads on structure and to simulate fully coupling motion between solid and liquid. Some other techniques were developed and adopted in our code in order to construct a more accurate and stable simulation. For verification and validation of SPH method, one-phase and two-phase dam break and wedge entry were tested with discussion of solid boundary, pressure evaluation method and variable smoothed length. Subsequently, the method was used to study 2D and 3D sloshing and flooding problems. Comparisons were carried out between experimental and other numerical results. The features of the phenomenon for instance in terms of wave height, structural loads and large deformation of free surface were analyzed and discussed. Key words: SPH (Smoothed Particle Hydrodynamics), three dimension, nonlinear, free surface, sloshing, flooding.


Liquid Slosh Analysis Using Smoothed Particle Hydrodynamics

Liquid Slosh Analysis Using Smoothed Particle Hydrodynamics
Author: Kristopher S. Field
Publisher:
Total Pages: 136
Release: 2014
Genre: Sloshing (Hydrodynamics)
ISBN:

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"The purpose of the research 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 damping ratio data for 1g cases has been compared to existing experiments for both spherical and prismatic container geometries. The 0g case has been studied to determine what further modifications would be required to obtain realistic simulations results. The findings in this research will be used to create a sloshing simulation to determine torques applied to a cubesat during opeations"--Abstract.