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Descripción
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| Ritz's method is applied to calculate the dimensionless natural frequencies of a cube of homogenous, isotropic, elastically linear material. This method is optimized in this three-dimensional problem with object to get the most suitable exponents of the power series proposed as solution for the displacements. The results obtained for the frequencies of a free vibrating cube are analysed in order to determine their dependency upon the Poisson's ratio. Results from that numerical calculation are compared with approximate elementary solutions. A percussion applied to a cube excites its vibration and the detection of this vibration by means of a speckle interferometry in one of its points permits to obtain experimentally the natural frequencies of vibration. The obtained numerical and experimental results are compared and the agreement is good. | |
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Internacional
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Si |
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Nombre congreso
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19th INTERNATIONAL CONGRESS ON ACOUSTICS ICA2007 OFFICIAL PUBLICATION OF THE 19th INTERNATIONAL CONGRESS ON ACOUSTICS ICA2007: Special Issue of the Journal Revista de Acústica, vol.38, 3-4, year 2007. SAV-01-017 (Pag. 1-6) |
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Tipo de participación
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960 |
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Lugar del congreso
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Madrid |
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Revisores
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ISBN o ISSN
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DOI
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Fecha inicio congreso
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02/09/2007 |
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Fecha fin congreso
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07/09/2007 |
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Título de las actas
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