Document Detail


Lagrangian statistical model for transport in highly heterogeneous velocity fields.
MedLine Citation:
PMID:  18851594     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We define an effective Lagrangian statistical model in phase space (x, t, v) for describing transport in highly heterogeneous velocity fields with complex spatial organizations. The spatial Markovian nature (and temporal non-Markovian nature) of Lagrangian velocities leads to an effective transport description that turns out to be a correlated continuous time random walk. This model correctly captures the Lagrangian velocity correlation properties and is demonstrated to represent a forward model for predicting transport in highly heterogeneous porous media for different types of velocity organizations.
Authors:
Tanguy Le Borgne; Marco Dentz; Jesus Carrera
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Publication Detail:
Type:  Journal Article     Date:  2008-08-26
Journal Detail:
Title:  Physical review letters     Volume:  101     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2008 Aug 
Date Detail:
Created Date:  2008-10-14     Completed Date:  2008-10-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  090601     Citation Subset:  -    
Affiliation:
Geosciences Rennes, UMR 6118, CNRS, Université de Rennes 1, Rennes, France.
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