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dc.contributor.authorLiou, Gin-Showen_US
dc.date.accessioned2014-12-08T15:20:45Z-
dc.date.available2014-12-08T15:20:45Z-
dc.date.issued2011-10-01en_US
dc.identifier.issn0253-3839en_US
dc.identifier.urihttp://dx.doi.org/10.1080/02533839.2011.591973en_US
dc.identifier.urihttp://hdl.handle.net/11536/14770-
dc.description.abstractThis article is the further investigation of vibration induced by harmonic loadings applied at a circular rigid plate on a half-space medium as reported by Liou (Liou, G.S., 2009. Vibrations induced by harmonic loadings applied at circular rigid plate on half-space medium. Journal of Sound and Vibration, 323, 257-269). The main purposes of this article are (1) to give the semi-analytic solution for vibration at any specific location in half-space medium; (2) to calculate the total average energy flux over one period of vibration time from the surfaces of a cylindrical cavity. The reason to evaluate the total average energy flux is that the fluctuation phenomenon of vibration amplitude along the distance from the vibration source (circular rigid plate) has been observed by Liou (2009) and can be seen from the numerical results in this article. To calculate the total average energy flux from the surfaces, piecewise linear distribution of energy flux intensity along z-direction for cylindrical surface and r-direction for bottom surface of the cylindrical cavity is assumed. The results show that the total average energy flux from the surfaces attenuates as distance from vibration source increases. This is due to the material damping in the half-space medium. The attenuation of total average energy flux is faster as the damping in the half-space medium is higher.en_US
dc.language.isoen_USen_US
dc.subjectground vibrationen_US
dc.subjectwave propagationen_US
dc.subjectenergy fluxen_US
dc.subjecthalf-spaceen_US
dc.titleFurther investigation of vibration induced by harmonic loadings applied at circular rigid plate on half-space mediumen_US
dc.typeArticleen_US
dc.identifier.doi10.1080/02533839.2011.591973en_US
dc.identifier.journalJOURNAL OF THE CHINESE INSTITUTE OF ENGINEERSen_US
dc.citation.volume34en_US
dc.citation.issue7en_US
dc.citation.spage995en_US
dc.citation.epage999en_US
dc.contributor.department土木工程學系zh_TW
dc.contributor.departmentDepartment of Civil Engineeringen_US
dc.identifier.wosnumberWOS:000296071500013-
dc.citation.woscount1-
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