Acoustic Modal Test and Finite Element Analysis on Vehicle Cavity
A cavity acoustic modal of a medium-sized commercial vehicle was tested and analyzed based on LMS Test.Lab modal analysis system. Acoustic modal characteristics, including modal frequencies and modal shapes of the cavity, were obtained. By comparing the results of acoustic modal frequencies to the s...
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| Veröffentlicht in: | Applied Mechanics and Materials 2012-12, Vol.239-240 (Measurement Technology and its Application), p.32-36 |
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| container_end_page | 36 |
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| container_issue | Measurement Technology and its Application |
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| container_title | Applied Mechanics and Materials |
| container_volume | 239-240 |
| creator | Wang, Si Le Hou, Wei Ling Zhou, Hong |
| description | A cavity acoustic modal of a medium-sized commercial vehicle was tested and analyzed based on LMS Test.Lab modal analysis system. Acoustic modal characteristics, including modal frequencies and modal shapes of the cavity, were obtained. By comparing the results of acoustic modal frequencies to the structure modal ones, the acoustic-structure coupling at critical frequencies could be avoided and the noise in low frequency range could be reduced. Meanwhile, the simulation of the acoustic modal is analyzed by establishing the finite element model of the cavity, which may be a reference to improve the interior acoustic properties of the cavity. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.239-240.32 |
| format | Article |
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Acoustic modal characteristics, including modal frequencies and modal shapes of the cavity, were obtained. By comparing the results of acoustic modal frequencies to the structure modal ones, the acoustic-structure coupling at critical frequencies could be avoided and the noise in low frequency range could be reduced. Meanwhile, the simulation of the acoustic modal is analyzed by establishing the finite element model of the cavity, which may be a reference to improve the interior acoustic properties of the cavity.</description><identifier>ISSN: 1660-9336</identifier><identifier>ISSN: 1662-7482</identifier><identifier>ISBN: 9783037855454</identifier><identifier>ISBN: 3037855452</identifier><identifier>EISSN: 1662-7482</identifier><identifier>DOI: 10.4028/www.scientific.net/AMM.239-240.32</identifier><language>eng</language><publisher>Zurich: Trans Tech Publications Ltd</publisher><subject>Acoustic coupling ; Acoustic measurement ; Acoustic noise ; Acoustic properties ; Acoustics ; Finite element analysis ; Finite element method ; Holes ; Mathematical analysis</subject><ispartof>Applied Mechanics and Materials, 2012-12, Vol.239-240 (Measurement Technology and its Application), p.32-36</ispartof><rights>2013 Trans Tech Publications Ltd</rights><rights>Copyright Trans Tech Publications Ltd. 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Meanwhile, the simulation of the acoustic modal is analyzed by establishing the finite element model of the cavity, which may be a reference to improve the interior acoustic properties of the cavity.</description><subject>Acoustic coupling</subject><subject>Acoustic measurement</subject><subject>Acoustic noise</subject><subject>Acoustic properties</subject><subject>Acoustics</subject><subject>Finite element analysis</subject><subject>Finite element method</subject><subject>Holes</subject><subject>Mathematical analysis</subject><issn>1660-9336</issn><issn>1662-7482</issn><issn>1662-7482</issn><isbn>9783037855454</isbn><isbn>3037855452</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNqNkMtOwzAQRS0eEuXxD5bYwCKpH5PYWUZVC0hUbICtZTuOMEoTiF2q_j0uRQKxYjWLObp35iB0TUkOhMnpZrPJg_Wuj771Nu9dnNbLZc54lTEgOWcHaELLkmUCJDtEF5WQnHAhiwIKOPrakazivDxBpyG8ElICBTlBdW2HdYje4uXQ6A4_uhCx7hu88L2PDs87t0qluO51tw0-4KHHz-7F287hmf7wcXuOjlvdBXfxPc_Q02L-OLvN7h9u7mb1fWZ5JWPWmMJoEBVzhBhoGW2EKcA0WrjGyqotTVEZWgCzTIB2lBknJRVlwaxpbMv4Gbra576Nw_s6nalWPljXdbp36QVFS0EBqpKKhF7-QV-H9Zg-SBQkLQQIyETVe8qOQwija9Xb6Fd63CpK1E66StLVj3SVpKskXSXpKklXfHfUbJ8RR92H6OzLr6p_p3wCnvGRHw</recordid><startdate>20121201</startdate><enddate>20121201</enddate><creator>Wang, Si Le</creator><creator>Hou, Wei Ling</creator><creator>Zhou, Hong</creator><general>Trans Tech Publications Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BFMQW</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20121201</creationdate><title>Acoustic Modal Test and Finite Element Analysis on Vehicle Cavity</title><author>Wang, Si Le ; 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| identifier | ISSN: 1660-9336 |
| ispartof | Applied Mechanics and Materials, 2012-12, Vol.239-240 (Measurement Technology and its Application), p.32-36 |
| issn | 1660-9336 1662-7482 1662-7482 |
| language | eng |
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| source | Scientific.net Journals |
| subjects | Acoustic coupling Acoustic measurement Acoustic noise Acoustic properties Acoustics Finite element analysis Finite element method Holes Mathematical analysis |
| title | Acoustic Modal Test and Finite Element Analysis on Vehicle Cavity |
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