Acoustic scattering by an elastic elliptic cylinder in water: numerical results and experiments.
Identifieur interne : 000322 ( PubMed/Checkpoint ); précédent : 000321; suivant : 000323Acoustic scattering by an elastic elliptic cylinder in water: numerical results and experiments.
Auteurs : F. Léon [France] ; F. Chati ; J M ConoirSource :
- Ultrasonics [ 0041-624X ] ; 2004.
Abstract
The acoustic scattering from an elastic elliptic cylinder immersed in water and excited by a normally incident plane wave is considered in this paper. The purpose is to determine, theoretically and experimentally, the pressure scattered by this cylinder. A model based on the theory of elasticity is described briefly. It consists in carrying out expansions in Fourier series of the expressions relating to the conditions of continuity (displacements and constraints) at the surface of cylinder. These expressions form a system of equations. The resolution of this system enables us to obtain the scattering coefficient, then the pressure scattered by the cylinder. The numerical results obtained from this model are compared with experimental results obtained by means of an experimental short-pulse method presented in the literature. An good agreement between the results is noted.
DOI: 10.1016/j.ultras.2004.01.022
PubMed: 15047301
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Léon</name><affiliation wicri:level="4"><nlm:affiliation>Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE CNRS UMR 6068, Université du Havre, Place Robert Schuman, Le Havre 76610, France. fernand.leon@univ-lehavre.fr</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE CNRS UMR 6068, Université du Havre, Place Robert Schuman, Le Havre 76610</wicri:regionArea><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université du Havre</orgName></affiliation></author><author><name sortKey="Chati, F" sort="Chati, F" uniqKey="Chati F" first="F" last="Chati">F. Chati</name></author><author><name sortKey="Conoir, J M" sort="Conoir, J M" uniqKey="Conoir J" first="J M" last="Conoir">J M Conoir</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2004">2004</date><idno type="RBID">pubmed:15047301</idno><idno type="pmid">15047301</idno><idno type="doi">10.1016/j.ultras.2004.01.022</idno><idno type="wicri:Area/PubMed/Corpus">000331</idno><idno type="wicri:Area/PubMed/Curation">000331</idno><idno type="wicri:Area/PubMed/Checkpoint">000331</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Acoustic scattering by an elastic elliptic cylinder in water: numerical results and experiments.</title><author><name sortKey="Leon, F" sort="Leon, F" uniqKey="Leon F" first="F" last="Léon">F. Léon</name><affiliation wicri:level="4"><nlm:affiliation>Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE CNRS UMR 6068, Université du Havre, Place Robert Schuman, Le Havre 76610, France. fernand.leon@univ-lehavre.fr</nlm:affiliation><country xml:lang="fr">France</country><wicri:regionArea>Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE CNRS UMR 6068, Université du Havre, Place Robert Schuman, Le Havre 76610</wicri:regionArea><placeName><region type="region" nuts="2">Région Normandie</region><region type="old region" nuts="2">Haute-Normandie</region></placeName><orgName type="university">Université du Havre</orgName></affiliation></author><author><name sortKey="Chati, F" sort="Chati, F" uniqKey="Chati F" first="F" last="Chati">F. Chati</name></author><author><name sortKey="Conoir, J M" sort="Conoir, J M" uniqKey="Conoir J" first="J M" last="Conoir">J M Conoir</name></author></analytic><series><title level="j">Ultrasonics</title><idno type="ISSN">0041-624X</idno><imprint><date when="2004" type="published">2004</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The acoustic scattering from an elastic elliptic cylinder immersed in water and excited by a normally incident plane wave is considered in this paper. The purpose is to determine, theoretically and experimentally, the pressure scattered by this cylinder. A model based on the theory of elasticity is described briefly. It consists in carrying out expansions in Fourier series of the expressions relating to the conditions of continuity (displacements and constraints) at the surface of cylinder. These expressions form a system of equations. The resolution of this system enables us to obtain the scattering coefficient, then the pressure scattered by the cylinder. The numerical results obtained from this model are compared with experimental results obtained by means of an experimental short-pulse method presented in the literature. An good agreement between the results is noted.</div></front></TEI><pubmed><MedlineCitation Status="PubMed-not-MEDLINE" Owner="NLM"><PMID Version="1">15047301</PMID><DateCreated><Year>2004</Year><Month>3</Month><Day>29</Day></DateCreated><DateCompleted><Year>2004</Year><Month>06</Month><Day>14</Day></DateCompleted><DateRevised><Year>2009</Year><Month>11</Month><Day>11</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0041-624X</ISSN><JournalIssue CitedMedium="Print"><Volume>42</Volume><Issue>1-9</Issue><PubDate><Year>2004</Year><Month>Apr</Month></PubDate></JournalIssue><Title>Ultrasonics</Title><ISOAbbreviation>Ultrasonics</ISOAbbreviation></Journal><ArticleTitle>Acoustic scattering by an elastic elliptic cylinder in water: numerical results and experiments.</ArticleTitle><Pagination><MedlinePgn>297-300</MedlinePgn></Pagination><Abstract><AbstractText>The acoustic scattering from an elastic elliptic cylinder immersed in water and excited by a normally incident plane wave is considered in this paper. The purpose is to determine, theoretically and experimentally, the pressure scattered by this cylinder. A model based on the theory of elasticity is described briefly. It consists in carrying out expansions in Fourier series of the expressions relating to the conditions of continuity (displacements and constraints) at the surface of cylinder. These expressions form a system of equations. The resolution of this system enables us to obtain the scattering coefficient, then the pressure scattered by the cylinder. The numerical results obtained from this model are compared with experimental results obtained by means of an experimental short-pulse method presented in the literature. An good agreement between the results is noted.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Léon</LastName><ForeName>F</ForeName><Initials>F</Initials><AffiliationInfo><Affiliation>Laboratoire d'Acoustique Ultrasonore et d'Electronique, LAUE CNRS UMR 6068, Université du Havre, Place Robert Schuman, Le Havre 76610, France. fernand.leon@univ-lehavre.fr</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Chati</LastName><ForeName>F</ForeName><Initials>F</Initials></Author><Author ValidYN="Y"><LastName>Conoir</LastName><ForeName>J M</ForeName><Initials>JM</Initials></Author></AuthorList><Language>ENG</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>Netherlands</Country><MedlineTA>Ultrasonics</MedlineTA><NlmUniqueID>0050452</NlmUniqueID><ISSNLinking>0041-624X</ISSNLinking></MedlineJournalInfo></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2004</Year><Month>3</Month><Day>30</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>3</Month><Day>30</Day><Hour>5</Hour><Minute>1</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2004</Year><Month>3</Month><Day>30</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15047301</ArticleId><ArticleId IdType="doi">10.1016/j.ultras.2004.01.022</ArticleId><ArticleId IdType="pii">S0041624X04000320</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>France</li></country><region><li>Haute-Normandie</li><li>Région Normandie</li></region><orgName><li>Université du Havre</li></orgName></list><tree><noCountry><name sortKey="Chati, F" sort="Chati, F" uniqKey="Chati F" first="F" last="Chati">F. Chati</name><name sortKey="Conoir, J M" sort="Conoir, J M" uniqKey="Conoir J" first="J M" last="Conoir">J M Conoir</name></noCountry><country name="France"><region name="Région Normandie"><name sortKey="Leon, F" sort="Leon, F" uniqKey="Leon F" first="F" last="Léon">F. Léon</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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