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Statements

Subject Item
n2:RIV%2F61388998%3A_____%2F09%3A00328795%21RIV10-AV0-61388998
rdf:type
skos:Concept n11:Vysledek
dcterms:description
In this paper a fundamental solution of the problem describing the longitudinal vibration of the rod with viscous damping has been found. A theoretical approach for the determination of normal modes of vibrating one-dimensional mechanical systems with 3-stepwise constant properties has been put forward. The transcendental equation has been derived from the solution in Laplace image space and its roots are natural frequencies. The equation relates thickness of layers and elastic moduli; it makes possible experimental measurement of thin film thickness and elastic moduli. The physical interpretation of the natural frequencies by introducing an “effective speed of the wave propagation has been proposed. In this paper a fundamental solution of the problem describing the longitudinal vibration of the rod with viscous damping has been found. A theoretical approach for the determination of normal modes of vibrating one-dimensional mechanical systems with 3-stepwise constant properties has been put forward. The transcendental equation has been derived from the solution in Laplace image space and its roots are natural frequencies. The equation relates thickness of layers and elastic moduli; it makes possible experimental measurement of thin film thickness and elastic moduli. The physical interpretation of the natural frequencies by introducing an “effective speed of the wave propagation has been proposed.
dcterms:title
Theoretical approach for determination of normal modes of vibrating mechanical systems with discontinuous properties Theoretical approach for determination of normal modes of vibrating mechanical systems with discontinuous properties
skos:prefLabel
Theoretical approach for determination of normal modes of vibrating mechanical systems with discontinuous properties Theoretical approach for determination of normal modes of vibrating mechanical systems with discontinuous properties
skos:notation
RIV/61388998:_____/09:00328795!RIV10-AV0-61388998
n4:aktivita
n21:P n21:Z
n4:aktivity
P(IAA200760801), Z(AV0Z10100521), Z(AV0Z20760514)
n4:dodaniDat
n6:2010
n4:domaciTvurceVysledku
n12:7300913
n4:druhVysledku
n15:D
n4:duvernostUdaju
n5:S
n4:entitaPredkladatele
n7:predkladatel
n4:idSjednocenehoVysledku
346161
n4:idVysledku
RIV/61388998:_____/09:00328795
n4:jazykVysledku
n17:eng
n4:klicovaSlova
normal modes; laplace transform; resonance
n4:klicoveSlovo
n8:normal%20modes n8:resonance n8:laplace%20transform
n4:kontrolniKodProRIV
[A8292ED0E027]
n4:mistoKonaniAkce
Porto
n4:mistoVydani
Porto
n4:nazevZdroje
Proceedings IRF' 2009
n4:obor
n16:BI
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
3
n4:projekt
n9:IAA200760801
n4:rokUplatneniVysledku
n6:2009
n4:tvurceVysledku
Stachiv, Ivo Wang, A. B. Fedorchenko, Alexander I.
n4:typAkce
n13:WRD
n4:zahajeniAkce
2009-07-20+02:00
n4:zamer
n18:AV0Z10100521 n18:AV0Z20760514
s:numberOfPages
8
n19:hasPublisher
Faculty of Engineering, University of Porto
n20:isbn
978-972-8826-21-5