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Article

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Title

Three Models of a Sandwich Beam: Bending, Buckling, and Free Vibrations

Authors

[ 1 ] Instytut Matematyki, Wydział Automatyki, Robotyki i Elektrotechniki, Politechnika Poznańska | [ P ] employee

Scientific discipline (Law 2.0)

[2.7] Civil engineering and transport
[2.9] Mechanical engineering

Year of publication

2022

Published in

Engineering Transactions

Journal year: 2022 | Journal volume: vol. 70 | Journal number: no. 2

Article type

scientific article

Publication language

english

Keywords
EN
  • shear deformation theory
  • deflection
  • critical load
  • fundamental natural frequency
Abstract

EN This paper is devoted to the analytical modelling of a sandwich beam. Three models of this beam are elaborated. Two nonlinear individual shear theories of deformation of a plane cross-sections are proposed. Based on Hamilton’s principle, two differential equations of motion for each model are obtained. The bending, buckling and free flexural vibration problems of the simply-supported sandwich beam considering these three models are studied. The results of these analytical investigations are presented in tables.

Pages (from - to)

97 - 122

DOI

10.24423/EngTrans.1416.20220331

URL

https://et.ippt.pan.pl/index.php/et/article/view/1416/1669

License type

CC BY-SA (attribution - share alike)

Open Access Mode

open journal

Open Access Text Version

final published version

Full text of article

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Access level to full text

public

Ministry points / journal

70.0

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