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<!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" /> <title>RDF Graph</title> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.3/css/bootstrap.min.css" integrity="sha512-SbiR/eusphKoMVVXysTKG/7VseWii+Y3FdHrt0EpKgpToZeemhqHeZeLWLhJutz/2ut2Vw1uQEj2MbRF+TVBUA==" crossorigin="anonymous" /> <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-icons/1.10.3/font/bootstrap-icons.min.css" integrity="sha512-YFENbnqHbCRmJt5d+9lHimyEMt8LKSNTMLSaHjvsclnZGICeY/0KYEeiHwD1Ux4Tcao0h60tdcMv+0GljvWyHg==" crossorigin="anonymous" /> </head> <body> <div class="container-fluid"> <nav class="navbar navbar-expand-md sticky-top navbar-light bg-light"><a class="navbar-brand" href="#" onclick="javascript:history.go(-1); return false;">SPARQL | RDF Graph</a></nav> <p>This document contains 48 RDF triples in machine-readable format.</p> <script type="text/turtle"> @prefix dbo: <http://dbpedia.org/ontology/> . @prefix dbr: <http://dbpedia.org/resource/> . dbr:Anthony_Michell dbo:wikiPageWikiLink dbr:Michell_structures . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . dbr:Michell_structures rdfs:label "Michell structures"@en , "Estructuras de Michell"@es ; rdfs:comment "Las estructuras de Michell son estructuras que son \u00F3ptimas seg\u00FAn los criterios definidos por A.G.M. Michell en su art\u00EDculo de 1904, al que se hace referencia con frecuencia en la bibliograf\u00EDa anglosajona.\u200B"@es , "Michell structures are structures that are optimal based on the criteria defined by A.G.M. Michell in his frequently referenced 1904 paper. Michell states that \u201Ca frame (today called truss) (is optimal) attains the limit of economy of material possible in any frame-structure under the same applied forces, if the space occupied by it can be subjected to an appropriate small deformation, such that the strains in all the bars of the frame are increased by equal fractions of their lengths, not less than the fractional change of length of any element of the space.\u201D"@en . @prefix foaf: <http://xmlns.com/foaf/0.1/> . dbr:Michell_structures foaf:depiction <http://commons.wikimedia.org/wiki/Special:FilePath/MichellCantilever.jpg> , <http://commons.wikimedia.org/wiki/Special:FilePath/Michell_centrally_loaded_in_full_space.jpg> , <http://commons.wikimedia.org/wiki/Special:FilePath/Michell_centrally_loaded_in_full_space_force_away_from_line.jpg> , <http://commons.wikimedia.org/wiki/Special:FilePath/Michell_centrally_loaded_in_half_space.jpg> , <http://commons.wikimedia.org/wiki/Special:FilePath/Prager_symmetrical_truss.jpg> , <http://commons.wikimedia.org/wiki/Special:FilePath/Torsion_ball_3D_cropped.gif> . @prefix dcterms: <http://purl.org/dc/terms/> . @prefix dbc: <http://dbpedia.org/resource/Category:> . dbr:Michell_structures dcterms:subject dbc:Structural_analysis ; dbo:wikiPageID 58402686 ; dbo:wikiPageRevisionID 1059101501 ; dbo:wikiPageWikiLink dbr:Involute , dbr:Anthony_Michell , <http://dbpedia.org/resource/William_F._Baker_(engineer)> , dbr:William_Prager , dbr:Logarithmic_spiral , dbc:Structural_analysis , dbr:Topology_optimization , <http://dbpedia.org/resource/File:MichellCantilever.jpg> , <http://dbpedia.org/resource/File:Michell_centrally_loaded_in_full_space.jpg> , <http://dbpedia.org/resource/File:Michell_centrally_loaded_in_full_space_force_away_from_line.jpg> , <http://dbpedia.org/resource/File:Michell_centrally_loaded_in_half_space.jpg> , <http://dbpedia.org/resource/File:Prager_symmetrical_truss.jpg> , <http://dbpedia.org/resource/File:Torsion_ball_3D_cropped.gif> . @prefix owl: <http://www.w3.org/2002/07/owl#> . @prefix wikidata: <http://www.wikidata.org/entity/> . dbr:Michell_structures owl:sameAs wikidata:Q60790440 . @prefix dbpedia-es: <http://es.dbpedia.org/resource/> . dbr:Michell_structures owl:sameAs dbpedia-es:Estructuras_de_Michell , <https://global.dbpedia.org/id/9PrJS> . @prefix dbp: <http://dbpedia.org/property/> . @prefix dbt: <http://dbpedia.org/resource/Template:> . dbr:Michell_structures dbp:wikiPageUsesTemplate dbt:Reflist , dbt:Short_description ; dbo:thumbnail <http://commons.wikimedia.org/wiki/Special:FilePath/MichellCantilever.jpg?width=300> ; dbo:abstract "Las estructuras de Michell son estructuras que son \u00F3ptimas seg\u00FAn los criterios definidos por A.G.M. Michell en su art\u00EDculo de 1904, al que se hace referencia con frecuencia en la bibliograf\u00EDa anglosajona.\u200B"@es , "Michell structures are structures that are optimal based on the criteria defined by A.G.M. Michell in his frequently referenced 1904 paper. Michell states that \u201Ca frame (today called truss) (is optimal) attains the limit of economy of material possible in any frame-structure under the same applied forces, if the space occupied by it can be subjected to an appropriate small deformation, such that the strains in all the bars of the frame are increased by equal fractions of their lengths, not less than the fractional change of length of any element of the space.\u201D The above conclusion is based on the Maxwell load-path theorem: Where is the tension value in any tension element of length , is the compression value in any compression element of length and is a constant value which is based on external loads applied to the structure. Based on the Maxwell load-path theorem, reducing load path of tension members will reduce by the same value the load path of compression elements for a given set of external loads. Structure with minimum load path is one having minimum compliance (having minimum weighted deflection in the points of applied loads weighted by the values of these loads). In consequence Michell structures are minimum compliance trusses."@en . @prefix prov: <http://www.w3.org/ns/prov#> . dbr:Michell_structures prov:wasDerivedFrom <http://en.wikipedia.org/wiki/Michell_structures?oldid=1059101501&ns=0> . @prefix xsd: <http://www.w3.org/2001/XMLSchema#> . dbr:Michell_structures dbo:wikiPageLength "6684"^^xsd:nonNegativeInteger . @prefix wikipedia-en: <http://en.wikipedia.org/wiki/> . dbr:Michell_structures foaf:isPrimaryTopicOf wikipedia-en:Michell_structures . dbr:William_Prager dbo:wikiPageWikiLink dbr:Michell_structures ; dbp:knownFor dbr:Michell_structures ; dbo:knownFor dbr:Michell_structures . dbr:Michell_frame dbo:wikiPageWikiLink dbr:Michell_structures ; dbo:wikiPageRedirects dbr:Michell_structures . dbr:Michell_structure dbo:wikiPageWikiLink dbr:Michell_structures ; dbo:wikiPageRedirects dbr:Michell_structures . dbr:Michell_truss dbo:wikiPageWikiLink dbr:Michell_structures ; dbo:wikiPageRedirects dbr:Michell_structures . wikipedia-en:Michell_structures foaf:primaryTopic dbr:Michell_structures .</script> </div> </body> </html>