Investigating the effect of size and shape of perforations on natural frequency of an acoustic panel made of natural fiber reinforced composites by modal analysis
The main aim of this research is to analyse the modal response of an acoustic panel made of Natural Fiber Reinforced Composites (NFRC) by varying the size and shape of perforations in it. NFRC are proved to be excellent acoustic absorbers. Hence, researches have been made on developing an acoustic p...
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| creator | Sekar, Vignesh Zarrouq, Mazin Namasivayam, Satesh Narayana |
| description | The main aim of this research is to analyse the modal response of an acoustic panel made of Natural Fiber Reinforced Composites (NFRC) by varying the size and shape of perforations in it. NFRC are proved to be excellent acoustic absorbers. Hence, researches have been made on developing an acoustic panel made of NFRC. Acoustic panels with perforations turned out to be successful because of its effective absorption. In general, researchers consider only the effect of size and shape of perforations on the acoustic absorption whereas, leaving away the effect of size and shape of perforations on the modal response. Hence this research has been performed to understand the effect of size and shape of the perforations on the modal response of an acoustic panel made of PLA-OPEFBF composite. Composite were prepared using conventional hot-press techniques. Design of an acoustic panel was made using SolidWorks and the modal response analysis is performed using ANSYS. The result shows increase or decrease in size of the perforation affects the natural frequency of the system. This research shows the importance of considering the effect of considering the size and shape of the perforations during the development of an acoustic panel. |
| doi_str_mv | 10.1063/5.0005447 |
| format | Conference Proceeding |
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NFRC are proved to be excellent acoustic absorbers. Hence, researches have been made on developing an acoustic panel made of NFRC. Acoustic panels with perforations turned out to be successful because of its effective absorption. In general, researchers consider only the effect of size and shape of perforations on the acoustic absorption whereas, leaving away the effect of size and shape of perforations on the modal response. Hence this research has been performed to understand the effect of size and shape of the perforations on the modal response of an acoustic panel made of PLA-OPEFBF composite. Composite were prepared using conventional hot-press techniques. Design of an acoustic panel was made using SolidWorks and the modal response analysis is performed using ANSYS. The result shows increase or decrease in size of the perforation affects the natural frequency of the system. 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This research shows the importance of considering the effect of considering the size and shape of the perforations during the development of an acoustic panel.</description><subject>Acoustic absorption</subject><subject>Acoustics</subject><subject>Fiber composites</subject><subject>Modal analysis</subject><subject>Modal response</subject><subject>Perforation</subject><subject>Resonant frequencies</subject><subject>Shape effects</subject><issn>0094-243X</issn><issn>1551-7616</issn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2020</creationdate><recordtype>conference_proceeding</recordtype><recordid>eNp9kUtLAzEUhYMoWB8L_0HAnTA1mSQzk6UUXyC4UXA35HFjU9pkTFKh_hx_qVMtunN14fKdw73nIHRGyZSShl2KKSFEcN7uoQkVglZtQ5t9NCFE8qrm7OUQHeW8IKSWbdtN0Od9eIdc_KsqPrziMgcMzoEpODqc_QdgFSzOczXAdjNAcjGNbAwZx4CDKuukltgleFtDMJstpAJWJq5HV4MHFWCJV8p-y39xryHhBD6MbgYsNnE1xOwLZKw3eBXtCKmglpvs8wk6cGqZ4XQ3j9HzzfXT7K56eLy9n109VEMtWKl4o6XurOusrimjLafWNNB1ioGTXHbOKMY1NA2RmjeSAeeSWStEVxNNtGTH6PzHd0hxfCaXfhHXaTwi9zWTHROkFu1IXfxQ2fjyHUQ_JL9SadO_x9SLfpd_P1j3H0xJvy3sT8C-AGlqivA</recordid><startdate>20200504</startdate><enddate>20200504</enddate><creator>Sekar, Vignesh</creator><creator>Zarrouq, Mazin</creator><creator>Namasivayam, Satesh Narayana</creator><general>American Institute of Physics</general><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20200504</creationdate><title>Investigating the effect of size and shape of perforations on natural frequency of an acoustic panel made of natural fiber reinforced composites by modal analysis</title><author>Sekar, Vignesh ; Zarrouq, Mazin ; Namasivayam, Satesh Narayana</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p253t-46b9b8df8db2131741dc6e88a3ef9498fca34be6609b4693e4493dd55820b0b93</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Acoustic absorption</topic><topic>Acoustics</topic><topic>Fiber composites</topic><topic>Modal analysis</topic><topic>Modal response</topic><topic>Perforation</topic><topic>Resonant frequencies</topic><topic>Shape effects</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sekar, Vignesh</creatorcontrib><creatorcontrib>Zarrouq, Mazin</creatorcontrib><creatorcontrib>Namasivayam, Satesh Narayana</creatorcontrib><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sekar, Vignesh</au><au>Zarrouq, Mazin</au><au>Namasivayam, Satesh Narayana</au><au>Vaithilingam, Chockalingam Aravind</au><au>Phang, Swee King</au><au>Mahdiraji, Ghafour Amouzad</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Investigating the effect of size and shape of perforations on natural frequency of an acoustic panel made of natural fiber reinforced composites by modal analysis</atitle><btitle>AIP conference proceedings</btitle><date>2020-05-04</date><risdate>2020</risdate><volume>2233</volume><issue>1</issue><issn>0094-243X</issn><eissn>1551-7616</eissn><coden>APCPCS</coden><abstract>The main aim of this research is to analyse the modal response of an acoustic panel made of Natural Fiber Reinforced Composites (NFRC) by varying the size and shape of perforations in it. NFRC are proved to be excellent acoustic absorbers. Hence, researches have been made on developing an acoustic panel made of NFRC. Acoustic panels with perforations turned out to be successful because of its effective absorption. In general, researchers consider only the effect of size and shape of perforations on the acoustic absorption whereas, leaving away the effect of size and shape of perforations on the modal response. Hence this research has been performed to understand the effect of size and shape of the perforations on the modal response of an acoustic panel made of PLA-OPEFBF composite. Composite were prepared using conventional hot-press techniques. Design of an acoustic panel was made using SolidWorks and the modal response analysis is performed using ANSYS. The result shows increase or decrease in size of the perforation affects the natural frequency of the system. This research shows the importance of considering the effect of considering the size and shape of the perforations during the development of an acoustic panel.</abstract><cop>Melville</cop><pub>American Institute of Physics</pub><doi>10.1063/5.0005447</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0094-243X |
| ispartof | AIP conference proceedings, 2020, Vol.2233 (1) |
| issn | 0094-243X 1551-7616 |
| language | eng |
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| source | AIP Journals Complete |
| subjects | Acoustic absorption Acoustics Fiber composites Modal analysis Modal response Perforation Resonant frequencies Shape effects |
| title | Investigating the effect of size and shape of perforations on natural frequency of an acoustic panel made of natural fiber reinforced composites by modal analysis |
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