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Regression curves for vibration transmission across junctions of heavyweight walls and floors based on finite element methods and wave theory
dc.contributor.author | Hopkins, Carl |
dc.contributor.author | Crispin, Charlotte |
dc.contributor.author | Poblet-Puig, Jordi |
dc.contributor.author | Guigou-Carter, Catherine |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental |
dc.date.accessioned | 2016-08-29T10:34:56Z |
dc.date.available | 2019-01-01T01:30:30Z |
dc.date.issued | 2016-12 |
dc.identifier.citation | Hopkins, C., Crispin, C., Poblet-Puig, J., Guigou-Carter, C. Regression curves for vibration transmission across junctions of heavyweight walls and floors based on finite element methods and wave theory. "Applied acoustics", Desembre 2016, vol. 113, p. 7-21. |
dc.identifier.issn | 0003-682X |
dc.identifier.uri | http://hdl.handle.net/2117/89391 |
dc.description.abstract | Sound insulation prediction models in European and International standards use the vibration reduction index to calculate flanking transmission across junctions of walls and floors. These standards contain empirical relationships between the ratio of mass per unit areas for the walls/floors that form the junction and a frequency-independent vibration reduction index. Calculations using wave theory show that there is a stronger relationship between the ratio of characteristic moment impedances and the transmission loss from which the vibration reduction index can subsequently be calculated. In addition, the assumption of frequency-independent vibration reduction indices has been shown to be incorrect due to in-plane wave generation at the junction. Therefore numerical experiments with FEM, SFEM and wave theory have been used to develop new regression curves between these variables for the low-, mid- and high-frequency ranges. The junctions considered were L-, T- and X-junctions formed from heavyweight walls and floors. These new relationships have been implemented in the prediction models and they tend to improve the agreement between the measured and predicted airborne and impact sound insulation. |
dc.format.extent | 15 p. |
dc.language.iso | eng |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Física::Acústica::Acústica arquitectònica |
dc.subject.lcsh | Architectural acoustics--Mathematics |
dc.subject.other | Sound insulation Vibration reduction index Finite elements Wave theory Plates Junctions |
dc.title | Regression curves for vibration transmission across junctions of heavyweight walls and floors based on finite element methods and wave theory |
dc.type | Article |
dc.subject.lemac | Acústica arquitectònica -- Models matemàtics |
dc.contributor.group | Universitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria |
dc.identifier.doi | 10.1016/j.apacoust.2016.06.002 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://www.sciencedirect.com/science/article/pii/S0003682X16301505 |
dc.rights.access | Open Access |
local.identifier.drac | 18816524 |
dc.description.version | Postprint (author's final draft) |
local.citation.author | Hopkins, C.; Crispin, C.; Poblet-Puig, J.; Guigou-Carter, C. |
local.citation.publicationName | Applied acoustics |
local.citation.volume | 113 |
local.citation.startingPage | 7 |
local.citation.endingPage | 21 |
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