2020
DOI: 10.1016/j.compfluid.2019.104384
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Particle coalescing with angular momentum conservation in SPH simulations

Abstract: The present work introduces a simple, yet effective particle coalescing procedure for two-dimensional SPH simulations with spatially varying resolution.In addition to the regular conservation properties of former algorithms concerning the mass and linear momentum, the current model provides the exact conservation of the angular momentum as well. The detailed discussion of the coalescing method is followed by its verification through a frozen Taylor-Green vortex example with gradually derefined particle configu… Show more

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Cited by 3 publications
(2 citation statements)
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“…To investigate the coalescence process in a numerical way, the source term S i was added to the right side of the momentum equation: 23…”
Section: Mathematical Model Descriptionmentioning
confidence: 99%
See 1 more Smart Citation
“…To investigate the coalescence process in a numerical way, the source term S i was added to the right side of the momentum equation: 23…”
Section: Mathematical Model Descriptionmentioning
confidence: 99%
“…To investigate the coalescence process in a numerical way, the source term S i was added to the right side of the momentum equation: S i = prefix− ( B + A · v s ) A = C 2 1 2 ρ v normals B = μ a v normals where S i is the source term in the direction of i and v normals is the velocity vector of the particle. The first term B on the right side of the equation is the Darcy flow term, and the second term on the right side of equation A is the inertial resistance term.…”
Section: Numerical Simulationmentioning
confidence: 99%