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Stress constraints applied to the optimization of a thin-walled Z-beam

dc.creatorAnđelić, Nina
dc.creatorMilošević-Mitić, Vesna
dc.creatorPetrović, Ana
dc.date.accessioned2022-09-19T17:34:53Z
dc.date.available2022-09-19T17:34:53Z
dc.date.issued2014
dc.identifier.issn1451-2092
dc.identifier.urihttps://machinery.mas.bg.ac.rs/handle/123456789/2045
dc.description.abstractRazmatran je jedan pristup optimizaciji tankozidih otvorenih poprečnih preseka oblika Z - profila, izloženih savijanju i ograničenoj torziji. Za data opterećenja, materijal i geometrijske karakteristike, problem se svodi na određivanje minimalne mase, odnosno minimalne površine poprečnog preseka konstruktivnih tankozidih poprečnih preseka izabranog oblika. Površina poprečnog preseka je izabrana za funkciju cilja. Uvedena su naponska ograničenja. Primenjuje se Metoda Lagranžovog množitelja. Rezultati analitički dobijenih jednačina za matematički model, numerička rešenja, kao i ušteda u masi, izračunati su za tri slučaja opterećenja. Neki rezultati su provereni primenom programa COSMOS.sr
dc.description.abstractOne approach to the optimization of a thin-walled open section Z-beam subjected to the bending and to the constrained torsion is considered. For given loads, material and geometrical characteristics, the problem is reduced to the determination of minimum mass i.e. minimum crosssectional area of structural thin-walled beam of the chosen shape. The area of the cross-section is assumed to be the objective function. The stress constraints are introduced. The Lagrange multiplier method is applied. Solutions of analitically obtained expressions for the mathematical model, numerical solutions, as well as the saved mass, are calculated for three loading cases.en
dc.publisherUniverzitet u Beogradu - Mašinski fakultet, Beograd
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35011/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35040/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceFME Transactions
dc.subjectthin-walled beamsen
dc.subjectstress constraintsen
dc.subjectsaved massen
dc.subjectoptimal dimensionsen
dc.titleNaponska ograničenja primenjena na optimizaciju tankozidih Z - profilasr
dc.titleStress constraints applied to the optimization of a thin-walled Z-beamen
dc.typearticle
dc.rights.licenseBY
dc.citation.epage242
dc.citation.issue3
dc.citation.other42(3): 237-242
dc.citation.rankM24
dc.citation.spage237
dc.citation.volume42
dc.identifier.doi10.5937/fmet1403237A
dc.identifier.fulltexthttp://machinery.mas.bg.ac.rs/bitstream/id/832/2042.pdf
dc.identifier.scopus2-s2.0-84905916097
dc.type.versionpublishedVersion


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