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dc.contributor.authorOrobey, Viktor-
dc.contributor.authorОробей, Віктор Федорович-
dc.contributor.authorОробей, Виктор Федорович-
dc.contributor.authorNemchuk, Oleksii-
dc.contributor.authorНемчук, Олексій-
dc.contributor.authorНемчук, Алексей-
dc.contributor.authorLymarenko, Oleksandr-
dc.contributor.authorЛимаренко, Олександр Михайлович-
dc.contributor.authorЛымаренко, Александр Михайлович-
dc.contributor.authorPiterska, Varvara-
dc.contributor.authorПітерська, Варвара-
dc.contributor.authorПитерская, Варвара-
dc.contributor.authorSherstiuk, Olga-
dc.contributor.authorШерстюк, Ольга-
dc.contributor.authorRomanov, Oleksandr-
dc.contributor.authorРоманов, Олександр Сергійович-
dc.contributor.authorРоманов, Александр Сергеевич-
dc.contributor.authorTkachuk, Kateryna-
dc.contributor.authorТкачук, Катерина-
dc.contributor.authorТкачук, Екатерина-
dc.date.accessioned2021-11-29T10:46:47Z-
dc.date.available2021-11-29T10:46:47Z-
dc.date.issued2021-
dc.identifier.citationOrobey, V, Nemchuk, O., Lymarenko, O., Piterska, V., Sherstiuk, O., Romanov, O., Tkachuk, K. (2021). Diagnostics of the strength and stiffness of the loader carrier system structural elements in terms of thinning of walls by numerical methods. Diagnostyka, Vol. 22, N 3, p. 73-71.en
dc.identifier.citationDiagnostics of the strength and stiffness of the loader carrier system structural elements in terms of thinning of walls by numerical methods / V. Orobey, O. Nemchuk, O. Lymarenko, V. Piterska, O. Sherstiuk, O. Romanov, K. Tkachuk // Diagnostyka. - 2021. - Vol. 22, N 3. - P. 73-71.en
dc.identifier.issn2449-5220-
dc.identifier.issn1641-6414-
dc.identifier.urihttps://doi.org/10.29354/diag/141313-
dc.identifier.urihttp://dspace.opu.ua/jspui/handle/123456789/11967-
dc.description.abstractModern gantry cranes are an indispensable element of large industrial and transport enterprises. Port handling equipment is operated under conditions of complex spatial loading of varying intensity, as well as under conditions when the walls of structural elements are thinned in the crane carrier system. During the operation of handling equipment in ports, at construction sites, in machine-building industries, in addition to the external load, aggressive media act on the carrier system elements, which leads to various types of wear: corrosive, abrasive and mechanical. Monitoring of the state of handling equipment structures is a very important task of diagnosing the state of the material of elements of the carrier system of cranes and transporting machines. An important and urgent scientific and technical problem of taking into account the influence of aggressive environment on the stress-strain state of the metal structures of gantry cranes is considered. It is noted that during corrosion, a significant thinning of the walls of structural elements occurs. The safety of crane operation requires this factor to be taken into account. It is proposed to use modern numerical methods for this, i.e. the boundary element method (BEM) and the finite element method (FEM). The implementation of these methods is performed in the Matlab programming and modeling environment (BEM), and the FEM is used in the Ansys package. In accordance with the technologies of these methods, the design diagrams of the lower girders and the crane structure as a whole were formed. Exact models of strain of crane elements during transverse bending and constrained torsion are given. Calculations of the stressstrain state of the crane metal structures have been performed. On the basis of a preliminary field study, a numerical model is proposed for diagnosing the strength and stiffness characteristics of the carrier system of handling equipment using the BEM and FEM, which has never been used in the world. Conclusions are drawn about the influence of the thinning of the walls of metal structures on the values of normal and tangential stresses.en
dc.language.isoen_USen
dc.publisherWarszawa. Onlineen
dc.subjectgantry cranesen
dc.subjectAnsysen
dc.subjectboundary and finite element methodsen
dc.subjectMatlaben
dc.subjectstress-strain stateen
dc.titleDiagnostics of the strength and stiffness of the loader carrier system structural elements in terms of thinning of walls by numerical methodsen
dc.typeArticle in Scopusen
opu.kafedraКафедра автомобільного транспортуuk
opu.citation.journalDiagnostykaen
opu.citation.volume22en
opu.citation.firstpage73en
opu.citation.lastpage81en
opu.citation.issue3en
opu.staff.idv.f.orobey@op.edu.uaen
opu.staff.idromanov.o.s@op.edu.uaen
opu.staff.ida.m.limarenko@op.edu.uaen
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