The state of the art in topology‐based visualization of unsteady flow

A Pobitzer, R Peikert, R Fuchs… - Computer Graphics …, 2011 - Wiley Online Library
Vector fields are a common concept for the representation of many different kinds of flow
phenomena in science and engineering. Methods based on vector field topology are known …

A survey of topology‐based methods in visualization

C Heine, H Leitte, M Hlawitschka… - Computer Graphics …, 2016 - Wiley Online Library
This paper presents the state of the art in the area of topology‐based visualization. It
describes the process and results of an extensive annotation for generating a definition and …

Efficient visualization of Lagrangian coherent structures by filtered AMR ridge extraction

F Sadlo, R Peikert - IEEE transactions on visualization and …, 2007 - ieeexplore.ieee.org
This paper presents a method for filtered ridge extraction based on adaptive mesh
refinement. It is applicable in situations where the underlying scalar field can be refined …

Spatio-temporal structure and cycle to cycle variations of an in-cylinder tumbling flow

M Voisine, L Thomas, J Borée, P Rey - Experiments in fluids, 2011 - Springer
The aim of this paper is to make use of PIV and high-speed PIV in a research engine of
moderate tumbling ratio in order to analyze both the spatial structure of the flow and its …

Multifield visualization using local statistical complexity

H Janicke, A Wiebel, G Scheuermann… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
Modern unsteady (multi-) field visualizations require an effective reduction of the data to be
displayed. From a huge amount of information the most informative parts have to be …

[PDF][PDF] On the way towards topology-based visualization of unsteady flow-the state of the art

A Pobitzer, R Peikert, R Fuchs, B Schindler… - H. und E. Reinhard …, 2010 - diglib.eg.org
Vector fields are a common concept for the representation of many different kinds of flow
phenomena in science and engineering. Methods based on vector field topology have …

Comparative visual analysis of Lagrangian transport in CFD ensembles

M Hummel, H Obermaier, C Garth… - IEEE Transactions on …, 2013 - ieeexplore.ieee.org
Sets of simulation runs based on parameter and model variation, so-called ensembles, are
increasingly used to model physical behaviors whose parameter space is too large or …

Improved post hoc flow analysis via lagrangian representations

A Agranovsky, D Camp, C Garth… - 2014 IEEE 4th …, 2014 - ieeexplore.ieee.org
Fluid mechanics considers two frames of reference for an observer watching a flow field:
Eulerian and Lagrangian. The former is the frame of reference traditionally used for flow …

An Eulerian approach for computing the finite time Lyapunov exponent

S Leung - Journal of computational physics, 2011 - Elsevier
We propose efficient Eulerian methods for approximating the finite-time Lyapunov exponent
(FTLE). The idea is to compute the related flow map using the Level Set Method and the …

[PDF][PDF] Localized finite-time Lyapunov exponent for unsteady flow analysis.

J Kasten, C Petz, I Hotz, BR Noack, HC Hege - VMV, 2009 - academia.edu
Abstract The Finite-time Lyapunov Exponent (FTLE) is a measure for the rate of separation
of particles in time-dependent flow fields. It provides a valuable tool for the analysis of …