Dynamics of propagating front into sand ripples under regular waves.
Identifieur interne : 000951 ( Main/Exploration ); précédent : 000950; suivant : 000952Dynamics of propagating front into sand ripples under regular waves.
Auteurs : J. Lebunetel-Levaslot [France] ; A. Jarno-Druaux ; A B Ezersky ; F. MarinSource :
- Physical review. E, Statistical, nonlinear, and soft matter physics [ 1550-2376 ] ; 2010.
Abstract
The results of an experimental study of pattern formation on sandy bottom under the action of regular harmonic surface waves are reported. It is found that two modes of pattern formation occur: sand ripples form uniformly on the whole bottom or from localized nucleation sites. In the second regime, the ripples appear in isolated regions (patches) increasing in size, and front propagation speed is measured. A simple dynamical model based on the Ginzburg-Landau equation is proposed to explain the characteristics of patches.
DOI: 10.1103/PhysRevE.82.032301
PubMed: 21230122
Affiliations:
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Lebunetel-Levaslot</name><affiliation wicri:level="4"><nlm:affiliation>Laboratoire Ondes et Milieux Complexes, FRE CNRS 3102, Université du Havre, 25 rue Philippe Lebon, BP 540, 76058 Le Havre Cedex, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Ondes et Milieux Complexes, FRE CNRS 3102, Université du Havre, 25 rue Philippe Lebon, BP 540, 76058 Le Havre Cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Le Havre</settlement></placeName><orgName type="university">Université du Havre</orgName></affiliation></author><author><name sortKey="Jarno Druaux, A" sort="Jarno Druaux, A" uniqKey="Jarno Druaux A" first="A" last="Jarno-Druaux">A. Jarno-Druaux</name></author><author><name sortKey="Ezersky, A B" sort="Ezersky, A B" uniqKey="Ezersky A" first="A B" last="Ezersky">A B Ezersky</name></author><author><name sortKey="Marin, F" sort="Marin, F" uniqKey="Marin F" first="F" last="Marin">F. Marin</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2010">2010</date><idno type="RBID">pubmed:21230122</idno><idno type="pmid">21230122</idno><idno type="doi">10.1103/PhysRevE.82.032301</idno><idno type="wicri:Area/PubMed/Corpus">000223</idno><idno type="wicri:Area/PubMed/Curation">000223</idno><idno type="wicri:Area/PubMed/Checkpoint">000223</idno><idno type="wicri:Area/Ncbi/Merge">000275</idno><idno type="wicri:Area/Ncbi/Curation">000275</idno><idno type="wicri:Area/Ncbi/Checkpoint">000275</idno><idno type="wicri:Area/Main/Merge">000952</idno><idno type="wicri:Area/Main/Curation">000951</idno><idno type="wicri:Area/Main/Exploration">000951</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Dynamics of propagating front into sand ripples under regular waves.</title><author><name sortKey="Lebunetel Levaslot, J" sort="Lebunetel Levaslot, J" uniqKey="Lebunetel Levaslot J" first="J" last="Lebunetel-Levaslot">J. Lebunetel-Levaslot</name><affiliation wicri:level="4"><nlm:affiliation>Laboratoire Ondes et Milieux Complexes, FRE CNRS 3102, Université du Havre, 25 rue Philippe Lebon, BP 540, 76058 Le Havre Cedex, France.</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire Ondes et Milieux Complexes, FRE CNRS 3102, Université du Havre, 25 rue Philippe Lebon, BP 540, 76058 Le Havre Cedex</wicri:regionArea><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region><settlement type="city">Le Havre</settlement></placeName><orgName type="university">Université du Havre</orgName></affiliation></author><author><name sortKey="Jarno Druaux, A" sort="Jarno Druaux, A" uniqKey="Jarno Druaux A" first="A" last="Jarno-Druaux">A. Jarno-Druaux</name></author><author><name sortKey="Ezersky, A B" sort="Ezersky, A B" uniqKey="Ezersky A" first="A B" last="Ezersky">A B Ezersky</name></author><author><name sortKey="Marin, F" sort="Marin, F" uniqKey="Marin F" first="F" last="Marin">F. Marin</name></author></analytic><series><title level="j">Physical review. E, Statistical, nonlinear, and soft matter physics</title><idno type="eISSN">1550-2376</idno><imprint><date when="2010" type="published">2010</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The results of an experimental study of pattern formation on sandy bottom under the action of regular harmonic surface waves are reported. It is found that two modes of pattern formation occur: sand ripples form uniformly on the whole bottom or from localized nucleation sites. In the second regime, the ripples appear in isolated regions (patches) increasing in size, and front propagation speed is measured. A simple dynamical model based on the Ginzburg-Landau equation is proposed to explain the characteristics of patches.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Haute-Normandie</li><li>Région Normandie</li></region><settlement><li>Le Havre</li></settlement><orgName><li>Université du Havre</li></orgName></list><tree><noCountry><name sortKey="Ezersky, A B" sort="Ezersky, A B" uniqKey="Ezersky A" first="A B" last="Ezersky">A B Ezersky</name><name sortKey="Jarno Druaux, A" sort="Jarno Druaux, A" uniqKey="Jarno Druaux A" first="A" last="Jarno-Druaux">A. Jarno-Druaux</name><name sortKey="Marin, F" sort="Marin, F" uniqKey="Marin F" first="F" last="Marin">F. Marin</name></noCountry><country name="France"><region name="Région Normandie"><name sortKey="Lebunetel Levaslot, J" sort="Lebunetel Levaslot, J" uniqKey="Lebunetel Levaslot J" first="J" last="Lebunetel-Levaslot">J. Lebunetel-Levaslot</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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