SPH Meshless methods for internal aerodynamic combustion engine
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Smoothed Particle Hydrodynamics (SPH) is a fully gridless Lagrangian method, invented in 1977 for astrophysical simulations. Due to its simplicity and robustness, this numerical method has been extended to solid mechanics for rapid dynamic phenomena and more recently to complex fluid mechanics problems such as dam breaking and wave flumes. However, the literature is quite scarce regarding SPH "academic" for flow validation and turbulent flows modelling. The goal of this work is to validate the SPH method for turbulent and compressible problems which occur in automotive engines, and to bring an...
Smoothed Particle Hydrodynamics (SPH) is a fully gridless Lagrangian method, invented in 1977 for astrophysical simulations. Due to its simplicity and robustness, this numerical method has been extended to solid mechanics for rapid dynamic phenomena and more recently to complex fluid mechanics problems such as dam breaking and wave flumes. However, the literature is quite scarce regarding SPH "academic" for flow validation and turbulent flows modelling. The goal of this work is to validate the SPH method for turbulent and compressible problems which occur in automotive engines, and to bring an expertise of its performances and abilities for engine problems. Starting with a 3D quasi-incompressible SPH code, named SPARTACUS 3D, and developed at EDF (France), the aim of the thesis work is to modify this original SPARTACUS code in order to be able to simulate turbulent and compressible flows that appear in combustion chambers of engines.
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