Multiscale velocity gradients in turbulence
PL Johnson, M Wilczek - Annual Review of Fluid Mechanics, 2024 - annualreviews.org
Understanding and predicting turbulent flow phenomena remain a challenge for both theory
and applications. The nonlinear and nonlocal character of small-scale turbulence can be …
and applications. The nonlinear and nonlocal character of small-scale turbulence can be …
Lagrangian dynamics and models of the velocity gradient tensor in turbulent flows
C Meneveau - Annual Review of Fluid Mechanics, 2011 - annualreviews.org
Many fundamental and intrinsic properties of small-scale motions in turbulence can be
described using the velocity gradient tensor. This tensor encodes interesting geometric and …
described using the velocity gradient tensor. This tensor encodes interesting geometric and …
Distinguished material surfaces and coherent structures in three-dimensional fluid flows
G Haller - Physica D: Nonlinear Phenomena, 2001 - Elsevier
We prove analytic criteria for the existence of finite-time attracting and repelling material
surfaces and lines in three-dimensional unsteady flows. The longest lived such structures …
surfaces and lines in three-dimensional unsteady flows. The longest lived such structures …
A public turbulence database cluster and applications to study Lagrangian evolution of velocity increments in turbulence
A public database system archiving a direct numerical simulation (DNS) data set of isotropic,
forced turbulence is described in this paper. The data set consists of the DNS output on …
forced turbulence is described in this paper. The data set consists of the DNS output on …
[图书][B] Introduction to symmetry analysis
BJ Cantwell - 2002 - books.google.com
Page 1 CAMBRIDGE TEXTS IN APPLIED MATHEMATICS Introduction to Symmetry
Analysis BRIAN J. CANTWELL Page 2 Introduction to Symmetry Analysis Symmetry …
Analysis BRIAN J. CANTWELL Page 2 Introduction to Symmetry Analysis Symmetry …
Invariants of the velocity-gradient, rate-of-strain, and rate-of-rotation tensors across the turbulent/nonturbulent interface in jets
CB da Silva, JCF Pereira - Physics of fluids, 2008 - pubs.aip.org
The invariants of the velocity gradient ( R and Q), rate-of-strain ( RS and QS), and rate-
of-rotation (QW) tensors are analyzed across the turbulent/nonturbulent (T/NT) interface by …
of-rotation (QW) tensors are analyzed across the turbulent/nonturbulent (T/NT) interface by …
[图书][B] An informal introduction to turbulence
A Tsinober - 2001 - books.google.com
Pharmacovigilance is, in essence, the process of monitoring the everyday use of medicines
to identify previously unrecognized adverse drug reactions thereby assessing their …
to identify previously unrecognized adverse drug reactions thereby assessing their …
Topology of fine-scale motions in turbulent channel flow
HM Blackburn, NN Mansour… - Journal of Fluid …, 1996 - cambridge.org
An investigation of topological features of the velocity gradient field of turbulent channel flow
has been carried out using results from a direct numerical simulation for which the Reynolds …
has been carried out using results from a direct numerical simulation for which the Reynolds …
Lagrangian measurement of vorticity dynamics in turbulent flow
B Lüthi, A Tsinober, W Kinzelbach - Journal of Fluid mechanics, 2005 - cambridge.org
Lagrangian measurement of vorticity dynamics in turbulent flow Page 1 J. Fluid Mech. (2005),
vol. 528, pp. 87–118. c 2005 Cambridge University Press doi:10.1017/S0022112004003283 …
vol. 528, pp. 87–118. c 2005 Cambridge University Press doi:10.1017/S0022112004003283 …
A study of the evolution and characteristics of the invariants of the velocity-gradient tensor in isotropic turbulence
Since the availability of data from direct numerical simulation (DNS) of turbulence,
researchers have utilized the joint PDFs of invariants of the velocity gradient tensor to study …
researchers have utilized the joint PDFs of invariants of the velocity gradient tensor to study …