Stochastic inverse identification of geometric imperfections in shell structures
It is now widely known that the presence of geometric imperfections in shell structures constitutes an important contribution to the discrepancy between theoretical and experimentally realizable ultimate loads governed by buckling. The present paper describes a method by which an actual initial impe...
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Veröffentlicht in: | Computer methods in applied mechanics and engineering 2011-06, Vol.200 (25), p.2256-2267 |
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creator | Stull, Christopher J. Nichols, Jonathan M. Earls, Christopher J. |
description | It is now widely known that the presence of geometric imperfections in shell structures constitutes an important contribution to the discrepancy between theoretical and experimentally realizable ultimate loads governed by buckling. The present paper describes a method by which an actual initial imperfection field may be estimated using the service load response of a shell structure. The approach requires solving a stochastic inverse problem wherein uncertainty regarding initial imperfection predictions is expressed within the context of a Bayesian posterior distribution. The proposed approach could be applied to condition assessment and performance evaluation activities in practice. |
doi_str_mv | 10.1016/j.cma.2011.03.012 |
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The present paper describes a method by which an actual initial imperfection field may be estimated using the service load response of a shell structure. The approach requires solving a stochastic inverse problem wherein uncertainty regarding initial imperfection predictions is expressed within the context of a Bayesian posterior distribution. 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The proposed approach could be applied to condition assessment and performance evaluation activities in practice.</description><subject>Assessments</subject><subject>Buckling</subject><subject>C (programming language)</subject><subject>Defects</subject><subject>Exact sciences and technology</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>Initial imperfections</subject><subject>Inverse</subject><subject>Inverse problems</subject><subject>Measurement and testing methods</subject><subject>Performance evaluation</subject><subject>Physics</subject><subject>Shell buckling</subject><subject>Shells</subject><subject>Solid mechanics</subject><subject>Stochastic inverse problems</subject><subject>Stochasticity</subject><subject>Structural and continuum mechanics</subject><issn>0045-7825</issn><issn>1879-2138</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUhoMoWKsP4G424mrGXCYzGVxJ8QYFBXUd0uSMTZlLzUkF394MLS7N5izy_efyEXLJaMEoq242he1NwSljBRUFZfyIzJiqm5wzoY7JjNJS5rXi8pScIW5oeorxGXl9i6NdG4zeZn74hoCQeQdD9K23JvpxyMY2-4Sxhxgmpt9CaMFOP5gSGa6h6zKMYWfjLgCek5PWdAgXhzonHw_374unfPny-Ly4W-ZWyCbmrlSrxrrWVFRQl5aTlAve0FpYThsnW8cVGMWMalRVS6FgVbkVY3WtKmmAijm53vfdhvFrBxh179GmXcwA4w61Uo1omCxFItmetGFEDNDqbfC9CT-aUT3J0xud5OlJnqZCJ3kpc3XobtCarg1msB7_grzklaylTNztnoN06reHoNF6GCw4H5Ik7Ub_z5Rf2fGEuQ</recordid><startdate>20110615</startdate><enddate>20110615</enddate><creator>Stull, Christopher J.</creator><creator>Nichols, Jonathan M.</creator><creator>Earls, Christopher J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SC</scope><scope>7TB</scope><scope>8FD</scope><scope>FR3</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope></search><sort><creationdate>20110615</creationdate><title>Stochastic inverse identification of geometric imperfections in shell structures</title><author>Stull, Christopher J. ; Nichols, Jonathan M. ; Earls, Christopher J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-d48b9cdfa6030d045502329073c209d5fd28ea81a89867538eb6db1177865ae03</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Assessments</topic><topic>Buckling</topic><topic>C (programming language)</topic><topic>Defects</topic><topic>Exact sciences and technology</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>Initial imperfections</topic><topic>Inverse</topic><topic>Inverse problems</topic><topic>Measurement and testing methods</topic><topic>Performance evaluation</topic><topic>Physics</topic><topic>Shell buckling</topic><topic>Shells</topic><topic>Solid mechanics</topic><topic>Stochastic inverse problems</topic><topic>Stochasticity</topic><topic>Structural and continuum mechanics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Stull, Christopher J.</creatorcontrib><creatorcontrib>Nichols, Jonathan M.</creatorcontrib><creatorcontrib>Earls, Christopher J.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Computer and Information Systems Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><jtitle>Computer methods in applied mechanics and engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Stull, Christopher J.</au><au>Nichols, Jonathan M.</au><au>Earls, Christopher J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Stochastic inverse identification of geometric imperfections in shell structures</atitle><jtitle>Computer methods in applied mechanics and engineering</jtitle><date>2011-06-15</date><risdate>2011</risdate><volume>200</volume><issue>25</issue><spage>2256</spage><epage>2267</epage><pages>2256-2267</pages><issn>0045-7825</issn><eissn>1879-2138</eissn><coden>CMMECC</coden><abstract>It is now widely known that the presence of geometric imperfections in shell structures constitutes an important contribution to the discrepancy between theoretical and experimentally realizable ultimate loads governed by buckling. 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subjects | Assessments Buckling C (programming language) Defects Exact sciences and technology Fundamental areas of phenomenology (including applications) Initial imperfections Inverse Inverse problems Measurement and testing methods Performance evaluation Physics Shell buckling Shells Solid mechanics Stochastic inverse problems Stochasticity Structural and continuum mechanics |
title | Stochastic inverse identification of geometric imperfections in shell structures |
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