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On the Shear Buckling of Clamped Narrow Rectangular Orthotropic Plates
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Construction Engineering.ORCID iD: 0000-0002-7191-5609
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.ORCID iD: 0000-0002-0336-6433
Number of Authors: 22015 (English)In: Mathematical problems in engineering (Print), ISSN 1024-123X, E-ISSN 1563-5147, Vol. 2015, article id 569356Article in journal (Refereed) 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.

Place, publisher, year, edition, pages
2015. Vol. 2015, article id 569356
National Category
Other Mechanical Engineering Building Technologies
Research subject
Timber Structures; Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-11803DOI: 10.1155/2015/569356ISI: 000366424100001Scopus ID: 2-s2.0-84950135228Local ID: ad094978-58e0-4440-b932-1c147c7f2facOAI: oai:DiVA.org:ltu-11803DiVA, id: diva2:984753
Note

Validerad; 2016; Nivå 2; 20151218 (rasata)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Atashipour, Seyed RasoulGirhammar, Ulf Arne

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