Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Jacobs, Gustaaf B."'
Langevin (stochastic differential) equations are routinely used to describe particle-laden flows. They predict Gaussian probability density functions (PDFs) of a particle's trajectory and velocity, even though experimentally observed dynamics might b
Externí odkaz:
http://arxiv.org/abs/2403.04913
Autor:
Dominguez-Vazquez, Daniel, Castiblanco-Ballesteros, Sergio A., Jacobs, Gustaaf B., Tartakovsky, Daniel M.
Eulerian-Lagrangian models of particle-laden (multiphase) flows describe fluid flow and particle dynamics in the Eulerian and Lagrangian frameworks respectively. Regardless of whether the flow is turbulent or laminar, the particle dynamics is stochas
Externí odkaz:
http://arxiv.org/abs/2312.07713
A predictive, point-cloud tracer is presented that determines with a quantified uncertainty the Lagrangian motion of a group of point-particles within a finite region. The tracer assumes a random forcing within confidence intervals to account for the
Externí odkaz:
http://arxiv.org/abs/2305.15610
Autor:
Santhosh, Sreejith, Qin, Haodong, Klose, Bjoern F., Jacobs, Gustaaf B., Vétel, Jérôme, Serra, Mattia
We develop a frame-invariant theory of material spike formation during flow separation over a no-slip boundary in three-dimensional flows with arbitrary time dependence. Based on the exact evolution of the largest principal curvature on near-wall mat
Externí odkaz:
http://arxiv.org/abs/2302.12395
A discrete analysis of the phase and dissipation errors of an explicit, semi-Lagrangian spectral element method is performed. The semi-Lagrangian method advects the Lagrange interpolant according the Lagrangian form of the transport equations and use
Externí odkaz:
http://arxiv.org/abs/2212.11407
The forcing of particles in turbulent environments influences dynamical properties pertinent to many fundamental applications involving particle-flow interactions. Current study explores the determination of forcing for one-way coupled passive partic
Externí odkaz:
http://arxiv.org/abs/2211.10849
A closed and predictive particle cloud tracer method is presented. The tracer builds upon the Subgrid Particle Averaged Reynolds Stress Equivalent (SPARSE) formulation first introduced in [Davis et al., Proceedings of the Royal Society A, 473(2199),
Externí odkaz:
http://arxiv.org/abs/2206.01528
Autor:
Domínguez-Vázquez, Daniel, Castiblanco-Ballesteros, Sergio A., Jacobs, Gustaaf B., Tartakovsky, Daniel M.
Publikováno v:
In Journal of Computational Physics 15 October 2024 515
A comprehensive and detailed overview of the flow topology over a cambered NACA 65(1)-412 airfoil at Re = 20,000 is presented for angles of attack ranging from 0{\deg} to 10{\deg} using high-order direct numerical simulations. It is shown that instab
Externí odkaz:
http://arxiv.org/abs/2108.04910
Publikováno v:
In International Journal of Multiphase Flow January 2024 170