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On the Shear Buckling of Clamped Narrow Rectangular Orthotropic Plates
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och -produktion.ORCID-id: 0000-0002-7191-5609
Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, Träteknik.ORCID-id: 0000-0002-0336-6433
Rekke forfattare: 22015 (engelsk)Inngår i: Mathematical problems in engineering (Print), ISSN 1024-123X, E-ISSN 1563-5147, Vol. 2015, artikkel-id 569356Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

This paper deals with stability analysis of clamped rectangular orthotropic thin plates subjected to uniformly distributed shear load around the edges. Due to the nature of this problem, it is impossible to present mathematically exact analytical solution for the governing differential equations. Consequently, all existing studies in the literature have been performed by means of different numerical approaches. Here, a closed-form approach is presented for simple and fast prediction of the critical buckling load of clamped narrow rectangular orthotropic thin plates. Next, a practical modification factor is proposed to extend the validity of the obtained results for a wide range of plate aspect ratios. To demonstrate the efficiency and reliability of the proposed closed-form formulas, an accurate computational code is developed based on the classical plate theory (CPT) by means of differential quadrature method (DQM) for comparison purposes. Moreover, several finite element (FE) simulations are performed via ANSYS software. It is shown that simplicity, high accuracy, and rapid prediction of the critical load for different values of the plate aspect ratio and for a wide range of effective geometric and mechanical parameters are the main advantages of the proposed closed-form formulas over other existing studies in the literature for the same problem.

sted, utgiver, år, opplag, sider
2015. Vol. 2015, artikkel-id 569356
HSV kategori
Forskningsprogram
Träbyggnad; Träteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-11803DOI: 10.1155/2015/569356ISI: 000366424100001Scopus ID: 2-s2.0-84950135228Lokal ID: ad094978-58e0-4440-b932-1c147c7f2facOAI: oai:DiVA.org:ltu-11803DiVA, id: diva2:984753
Merknad

Validerad; 2016; Nivå 2; 20151218 (rasata)

Tilgjengelig fra: 2016-09-29 Laget: 2016-09-29 Sist oppdatert: 2018-07-10bibliografisk kontrollert

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