Finite-Time Lyapunov Exponents and Lagrangian Coherent Structures in Uncertain Unsteady Flows

The objective of this paper is to understand transport behavior in uncertain time-varying flow fields by redefining the finite-time Lyapunov exponent (FTLE) and Lagrangian coherent structure (LCS) as stochastic counterparts of their traditional deterministic definitions. Three new concepts are intro...

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Veröffentlicht in:	IEEE transactions on visualization and computer graphics Jg. 22; H. 6; S. 1672 - 1682
Hauptverfasser:	Hanqi Guo, Wenbin He, Peterka, Tom, Han-Wei Shen, Collis, Scott M., Helmus, Jonathan J.
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	United States IEEE 01.06.2016 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Schlagworte:	Algorithms Atmospheric measurements Behavior Coherence Computer simulation Data visualization Divergence Lagrangian coherent structures Liapunov exponents Lyapunov exponents Meteorology Particle measurements Probability density functions Ridges Statistical analysis stochastic particle tracing Stochasticity Three-dimensional displays Topology Transport Uncertain flow visualization Uncertainty Unsteady flow Uncertain flow visualization stochastic particle tracing Lagrangian coherent structures
ISSN:	1077-2626, 1941-0506, 1941-0506
Online-Zugang:	Volltext
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