Prediction of blast response in laminated glass
Laminated glass is often used in structures for protection against blast loads. The single-degree-of-freedom model has conventionally been used to design such structures and it continues to be widely in use today. The single-degree-of-freedom model includes mass and load transformation factors, whic...
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| Veröffentlicht in: | Engineering structures 2019-06, Vol.188, p.650-664 |
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| creator | Samieian, Mohammad Amin Cormie, David Smith, David Wholey, Will Blackman, Bamber R.K. Dear, John P. Hooper, Paul A. |
| description | Laminated glass is often used in structures for protection against blast loads. The single-degree-of-freedom model has conventionally been used to design such structures and it continues to be widely in use today. The single-degree-of-freedom model includes mass and load transformation factors, which depend on the deflected shape of the structure. In this study, finite element models are used to derive the deflected shapes and transformation factors. The time-varying deflected shape history is taken into account in this analysis, as this is currently not included in other single-degree-of-freedom models. The analysis was conducted on a range of boundary conditions and aspect ratios along with different loading rates. For low-rate loading, the transformation factors were found not to vary during the deflected shape–time history. For high rate loading, however, the transformation factors were found to vary during the deflected shape–time history therefore requiring their inclusion in the single-degree-of-freedom design methods. These transformation factors were found to be insensitive to aspect ratios. |
| doi_str_mv | 10.1016/j.engstruct.2019.01.008 |
| format | Article |
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The single-degree-of-freedom model has conventionally been used to design such structures and it continues to be widely in use today. The single-degree-of-freedom model includes mass and load transformation factors, which depend on the deflected shape of the structure. In this study, finite element models are used to derive the deflected shapes and transformation factors. The time-varying deflected shape history is taken into account in this analysis, as this is currently not included in other single-degree-of-freedom models. The analysis was conducted on a range of boundary conditions and aspect ratios along with different loading rates. For low-rate loading, the transformation factors were found not to vary during the deflected shape–time history. For high rate loading, however, the transformation factors were found to vary during the deflected shape–time history therefore requiring their inclusion in the single-degree-of-freedom design methods. 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These transformation factors were found to be insensitive to aspect ratios.</description><subject>Aspect ratio</subject><subject>Blast</subject><subject>Blast loads</subject><subject>Boundary conditions</subject><subject>Degrees of freedom</subject><subject>Finite element method</subject><subject>Laminated glass</subject><subject>Mathematical models</subject><subject>Safety glass</subject><subject>SDOF</subject><subject>Single degree of freedom</subject><subject>Transformation factors</subject><issn>0141-0296</issn><issn>1873-7323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKAzEUhoMoWKvP4IDrmeYkM7ksS1ErFHSh65BJMiVDO6lJKvj2plTcujqL_8b5ELoH3AAGthgbN21TjkeTG4JBNhgajMUFmoHgtOaU0Es0w9BCjYlk1-gmpRFjTITAM7R4i856k32YqjBU_U6nXEWXDmFKrvJTtdN7P-nsbLUtWrpFV4PeJXf3e-fo4-nxfbWuN6_PL6vlpjZUklwzXqY0sT0MVoiuhVYILQeqSUcHaTVlhLKOAuHcGmmgJb0Tppd9zx3tjKFz9HDuPcTweXQpqzEc41QmFSEgJGMMWHHxs8vEkFJ0gzpEv9fxWwFWJzpqVH901ImOwqAKnZJcnpOuPPHlXVTJeDeZAiO64rXB_9vxAz7xcV8</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Samieian, Mohammad Amin</creator><creator>Cormie, David</creator><creator>Smith, David</creator><creator>Wholey, Will</creator><creator>Blackman, Bamber R.K.</creator><creator>Dear, John P.</creator><creator>Hooper, Paul A.</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7ST</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope><scope>SOI</scope><orcidid>https://orcid.org/0000-0001-7092-4450</orcidid></search><sort><creationdate>20190601</creationdate><title>Prediction of blast response in laminated glass</title><author>Samieian, Mohammad Amin ; Cormie, David ; Smith, David ; Wholey, Will ; Blackman, Bamber R.K. ; Dear, John P. ; Hooper, Paul A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c392t-67296a2db1fd88541488a9f3a253f9da36236531277dc9c142be8cb9bb7e35cc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Aspect ratio</topic><topic>Blast</topic><topic>Blast loads</topic><topic>Boundary conditions</topic><topic>Degrees of freedom</topic><topic>Finite element method</topic><topic>Laminated glass</topic><topic>Mathematical models</topic><topic>Safety glass</topic><topic>SDOF</topic><topic>Single degree of freedom</topic><topic>Transformation factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Samieian, Mohammad Amin</creatorcontrib><creatorcontrib>Cormie, David</creatorcontrib><creatorcontrib>Smith, David</creatorcontrib><creatorcontrib>Wholey, Will</creatorcontrib><creatorcontrib>Blackman, Bamber R.K.</creatorcontrib><creatorcontrib>Dear, John P.</creatorcontrib><creatorcontrib>Hooper, Paul A.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Engineering structures</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Samieian, Mohammad Amin</au><au>Cormie, David</au><au>Smith, David</au><au>Wholey, Will</au><au>Blackman, Bamber R.K.</au><au>Dear, John P.</au><au>Hooper, Paul A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Prediction of blast response in laminated glass</atitle><jtitle>Engineering structures</jtitle><date>2019-06-01</date><risdate>2019</risdate><volume>188</volume><spage>650</spage><epage>664</epage><pages>650-664</pages><issn>0141-0296</issn><eissn>1873-7323</eissn><abstract>Laminated glass is often used in structures for protection against blast loads. The single-degree-of-freedom model has conventionally been used to design such structures and it continues to be widely in use today. The single-degree-of-freedom model includes mass and load transformation factors, which depend on the deflected shape of the structure. In this study, finite element models are used to derive the deflected shapes and transformation factors. The time-varying deflected shape history is taken into account in this analysis, as this is currently not included in other single-degree-of-freedom models. The analysis was conducted on a range of boundary conditions and aspect ratios along with different loading rates. For low-rate loading, the transformation factors were found not to vary during the deflected shape–time history. For high rate loading, however, the transformation factors were found to vary during the deflected shape–time history therefore requiring their inclusion in the single-degree-of-freedom design methods. These transformation factors were found to be insensitive to aspect ratios.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engstruct.2019.01.008</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0001-7092-4450</orcidid><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Aspect ratio Blast Blast loads Boundary conditions Degrees of freedom Finite element method Laminated glass Mathematical models Safety glass SDOF Single degree of freedom Transformation factors |
| title | Prediction of blast response in laminated glass |
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