Discrete energy-conservation properties in the numerical simulation of the Navier–Stokes equations
Nonlinear convective terms pose the most critical issues when a numerical discretization of
the Navier–Stokes equations is performed, especially at high Reynolds numbers. They are …
the Navier–Stokes equations is performed, especially at high Reynolds numbers. They are …
Minimum-dissipation models for large-eddy simulation
Minimum-dissipation eddy-viscosity models are a class of sub-filter models for large-eddy
simulation that give the minimum eddy dissipation required to dissipate the energy of sub …
simulation that give the minimum eddy dissipation required to dissipate the energy of sub …
A low-dissipation finite element scheme for scale resolving simulations of turbulent flows
The present work extends the conservative convective scheme proposed by Charnyi et
al.(2017)[13], originally formulated for mixed finite elements and tested in laminar flows, to …
al.(2017)[13], originally formulated for mixed finite elements and tested in laminar flows, to …
[HTML][HTML] Quantitative analysis of drag reduction methods for blunt shaped automobiles
F Szodrai - Applied Sciences, 2020 - mdpi.com
In fluid mechanics, drag related problems aim to reduce fuel consumption. This paper is
intended to provide guidance for drag reduction applications on cars. The review covers …
intended to provide guidance for drag reduction applications on cars. The review covers …
Unsteady forces on a circular cylinder at critical Reynolds numbers
It is well known that the flow past a circular cylinder at critical Reynolds number combines
flow separation, turbulence transition, reattachment of the flow, and further turbulent …
flow separation, turbulence transition, reattachment of the flow, and further turbulent …
Assessment of LES, IDDES and RANS approaches for prediction of wakes behind notchback road vehicles
Abstract The capability of Large Eddy Simulations (LES), Improved Delayed Detached Eddy
Simulations (IDDES) and Reynolds-Averaged Navier–Stokes Equations (RANS) to predict …
Simulations (IDDES) and Reynolds-Averaged Navier–Stokes Equations (RANS) to predict …
Experimental study on Ahmed's body drag coefficient for different yaw angles
We present experiments conducted in a wind tunnel to characterize yaw angle effects on the
drag force acting on the Ahmed body with slant angle of 25°. The main contribution of this …
drag force acting on the Ahmed body with slant angle of 25°. The main contribution of this …
Simulations of the bi-modal wake past three-dimensional blunt bluff bodies
L Dalla Longa, O Evstafyeva… - Journal of Fluid …, 2019 - cambridge.org
The bi-modal behaviour of the turbulent flow past three-dimensional blunt bluff bodies is
simulated using wall-resolved large eddy simulations. Bi-modality (also called bi-stability) is …
simulated using wall-resolved large eddy simulations. Bi-modality (also called bi-stability) is …
A generative design and drag coefficient prediction system for sedan car side silhouettes based on computational fluid dynamics
E Gunpinar, UC Coskun, M Ozsipahi… - Computer-Aided Design, 2019 - Elsevier
A design support system is developed in this work that can be integrated into the car side
silhouette design tools and can estimate the drag coefficient of a given silhouette. This task …
silhouette design tools and can estimate the drag coefficient of a given silhouette. This task …
Numerical investigation of the wake bi-stability behind a notchback Ahmed body
Large-eddy simulations are used to investigate the origin of the wake asymmetry and
symmetry behind notchback Ahmed bodies. Two different effective backlight angles,, are …
symmetry behind notchback Ahmed bodies. Two different effective backlight angles,, are …