Some analytical aspects of viscoelastic Lamb’s problem for improving its numerical evaluation

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/17598

dc.contributor	Universitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica
dc.contributor	Universitat Politècnica de Catalunya. LEAM - Laboratori d'Enginyeria Acústica i Mecànica
dc.contributor.author	Arcos Villamarín, Robert
dc.contributor.author	Romeu Garbí, Jordi
dc.contributor.author	Clot Razquin, Arnau
dc.contributor.author	Genesca Francitorra, Meritxell
dc.date	2013-03
dc.identifier.citation	Arcos, R. [et al.]. Some analytical aspects of viscoelastic Lamb’s problem for improving its numerical evaluation. "Wave motion", Març 2013, vol. 50, núm. 2, p. 1-8.
dc.identifier.citation	0165-2125
dc.identifier.uri	http://hdl.handle.net/2117/17598
dc.language.iso	eng
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Física::Acústica
dc.subject	Àrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi matemàtica::Mesura i integració
dc.subject	Lamb waves
dc.subject	Numerical integration
dc.subject	Integració numèrica
dc.subject	Ones
dc.title	Some analytical aspects of viscoelastic Lamb’s problem for improving its numerical evaluation
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/article
dc.description.abstract	Two analytical modifications of the original viscoelastic time-harmonic Lamb’s problem expressions are presented with the aim of improving their numerical integration efficiency. Firstly, a new change of variable in the Lamb’s problem integrands is proposed, which allows a standardization of the integration sampling vector and a complete spatialfrequency field solution after performing only one numerical integration/transformation. Secondly, the Lamb’s problem static integrands are modified and introduced into the original integrands to reduce their spectral content at high wavenumbers and, therefore, the sampling vector lengths needed to avoid aliasing.

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