Results 211 to 220 of about 29,107 (264)

MHD Casson nanofluid flow over a vertical stretchable sheet saturated with a porous medium: a parametric approach for sensitive analysis. [PDF]

Discov Nano
Javid K, Akbar NS, Shaiq S, Khan A, Jamshed W, Hussain SM, Guedri K, Ahmad H, Abd-Elmonem A.   +8 more
europepmc   +1 more source

Optimizing avian flight dynamics with a synergetic bio-inspired and machine learning approach. [PDF]

Front Robot AI
Khalid W, Leontiuk V, Kastalskiy I, Kazantsev VB.   +3 more
europepmc   +1 more source

Classically studied coherent structures only paint a partial picture of wall-bounded turbulence. [PDF]

Nat Commun
Cremades A, Hoyas S, Vinuesa R.
europepmc   +1 more source

Significance of Reynolds Number Consistency in Non-Newtonian Hemodynamic Simulations: Insights from Fontan Circulation. [PDF]

Phys Fluids (1994)
Bilgi C, Wei H, Cheng AL, Pahlevan NM.
europepmc   +1 more source

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Reynolds-Stress Model for Eulerian multiphase

Progress in Computational Fluid Dynamics, 2006
Summary: This paper presents a way of modelling turbulence in multiphase flows within the context of the Reynolds-Stress Model. The model has been implemented in the general-purpose unstructured finite volume code Fluent V6. Two multiphase turbulence approaches were considered: mixture and dispersed models.
Giuseppina Montante
exaly   +3 more sources

A Reynolds-Stress Model for Near-Wall and Low-Reynolds-Number Regions

Journal of Fluids Engineering, Transactions of the ASME, 1988
The Reynolds stress model for high Reynolds numbers proposed by Launder et al. is extended to near-wall and low-Reynolds-number regions. In the development of the model, particular attention is given to the high anisotropy of turbulent stresses in the immediate vicinity of a wall and to the behavior of the exact stress equation at the wall. A transport
exaly   +2 more sources

An improved algebraic Reynolds stress model and corresponding nonlinear stress model

Physics of Fluids A, Fluid Dynamics, 1992
An improved algebraic Reynolds stress model is developed from the modeled dynamic equations for the Reynolds stress. The improved model more closely represents the original Reynolds stress model equation than the standard algebraic Reynolds stress model over the range of time scales for the turbulence and mean flow strain field.
exaly   +3 more sources

Data-driven Reynolds stress models based on the frozen treatment of Reynolds stress tensor and Reynolds force vector

Physics of Fluids, 2023
For developing a reliable data-driven Reynold stress tensor (RST) model, successful reconstruction of the mean velocity field based on high-fidelity information (i.e., direct numerical simulations or large-eddy simulations) is crucial and challenging, considering the ill-conditioning problem of Reynolds-averaged Navier–Stokes (RANS) equations.
Ali Amarloo, Paola Cinnella, Alexandros Iosifidis, Pourya Forooghi, Mahdi Abkar   +4 more
openaire   +2 more sources

Modeling of the Reynolds Stress Transport Equation

AIAA Journal, 1997
An empirical strategy for improving modeling of the energy dissipation rate e ij and the velocity-pressure gradient Π ij terms in the transport equations for the Reynolds stresses is proposed on the basis of available direct numerical simulations of the turbulent boundary layer and fully developed turbulent channel flow.
Djenidi, L., Antonia, R. A.
openaire   +2 more sources

Reynolds Stress Modeling for Hypersonic Flows

2012
Despite the enormous increase in computational capabilities and use of computational fluid dynamics as a design tool in the aircraft industry, the correct prediction of complex hypersonic turbulent flows involving shock wave boundary layer interaction (SWBLI) is still a challenge [1].
Bosco, A., Reinhartz, B., Muller, S., Brown, L., Boyce, R.   +4 more
openaire   +2 more sources