Rigid indenter excitation of plates
(2003) In Acta Acustica united with Acustica 89(3). p.460-470- Abstract
- The paper presents expressions for the point mobility of infinite plates driven by a completely rigid indenter. The problem is of general interest in connection with the excitation and transmission of structure-borne sound. The indenter is assumed to be circular, weightless, and stiff compared with the plate. A rigid indenter is assumed to provide a better approximation of the actual situation than a soft indenter would, e.g when a hammer acts on a wooden plate. A detailed three-dimensional analysis is performed. Traditionally, the problem is solved in approximate terms by assuming a pressure distribution at the interface between the indenter and the plate. In the present study, a pressure distribution is also assumed, an optimal choice of... (More)
- The paper presents expressions for the point mobility of infinite plates driven by a completely rigid indenter. The problem is of general interest in connection with the excitation and transmission of structure-borne sound. The indenter is assumed to be circular, weightless, and stiff compared with the plate. A rigid indenter is assumed to provide a better approximation of the actual situation than a soft indenter would, e.g when a hammer acts on a wooden plate. A detailed three-dimensional analysis is performed. Traditionally, the problem is solved in approximate terms by assuming a pressure distribution at the interface between the indenter and the plate. In the present study, a pressure distribution is also assumed, an optimal choice of the pressure amplitude being found by means of a variational formulation. Numerical results are presented and discussed, the discrepancy between the results obtained and the perfectly rigid indenter being examined. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/308774
- author
- Brunskog, Jonas LU and Hammer, Per LU
- organization
- publishing date
- 2003
- type
- Contribution to journal
- publication status
- published
- subject
- in
- Acta Acustica united with Acustica
- volume
- 89
- issue
- 3
- pages
- 460 - 470
- publisher
- EDP Sciences
- external identifiers
-
- wos:000183655900010
- scopus:0037529197
- ISSN
- 1436-7947
- language
- English
- LU publication?
- yes
- id
- 4a4f7a46-3132-4593-ae74-b026978d16bc (old id 308774)
- alternative location
- http://www.ingentaconnect.com/
- date added to LUP
- 2016-04-01 15:45:18
- date last changed
- 2022-04-22 17:11:32
@article{4a4f7a46-3132-4593-ae74-b026978d16bc,
abstract = {{The paper presents expressions for the point mobility of infinite plates driven by a completely rigid indenter. The problem is of general interest in connection with the excitation and transmission of structure-borne sound. The indenter is assumed to be circular, weightless, and stiff compared with the plate. A rigid indenter is assumed to provide a better approximation of the actual situation than a soft indenter would, e.g when a hammer acts on a wooden plate. A detailed three-dimensional analysis is performed. Traditionally, the problem is solved in approximate terms by assuming a pressure distribution at the interface between the indenter and the plate. In the present study, a pressure distribution is also assumed, an optimal choice of the pressure amplitude being found by means of a variational formulation. Numerical results are presented and discussed, the discrepancy between the results obtained and the perfectly rigid indenter being examined.}},
author = {{Brunskog, Jonas and Hammer, Per}},
issn = {{1436-7947}},
language = {{eng}},
number = {{3}},
pages = {{460--470}},
publisher = {{EDP Sciences}},
series = {{Acta Acustica united with Acustica}},
title = {{Rigid indenter excitation of plates}},
url = {{http://www.ingentaconnect.com/}},
volume = {{89}},
year = {{2003}},
}