PERSONAL DE APOYO
MENDEZ Carlos Gustavo
artículos
Título:
Effective properties of periodic media in elastodynamics problems
Autor/es:
YERA, R.; MÉNDEZ, C.G.; SÁNCHEZ, P.J.; HUESPE, A.E.
Revista:
Computer Methods in Materials Science
Editorial:
Wydawnictwa AGH
Referencias:
Año: 2021
ISSN:
1641-8581
Resumen:
This paper describes a homogenization model for evaluating the effective elastodynamicproperties of acoustic metamaterials in problems involving wave propagation. Themethodologyisbasedondeterminingtheconstitutiveequationsintermsofaveragedquantitiesobservedatthemacroscale.Inthissense,theapproachfollowsverycloselythepioneeringideasintroducedbyWillis,and afterwards,followedbyseveral authorsinthelasttenyears.Thedistinctivecharacteristicofourapproachisthatwewritethemicroscaleequationinthespatialdomain.Themodelisvalidatedwithpreviousresultspublishedintheliterature,andourresultscopythemalmostexactly.Theresultinghomogenizationmodelcouldbeusedasanadditionaltoolforthetopologydesignofacousticmetamaterials.
