Stability of Timoshenko beams with frequency andinitial stress dependent nonlocal parameters

• Autorzy: Glabisz W. , Jarczewska K. , Holubowski R.

Identyfikatory

DOI

10.1016/j.acme.2019.06.003

• Języki publikacji: EN

Abstrakty

EN

This paper presents an analysis of the stability of Timoshenko beams which uses Eringen'snonlocal elasticity theory. A numerical algorithm based on the exact solution for the freevibration of segmental Timoshenko beams was formulated. The algorithm enables one tocalculate, with any degree of accuracy, the critical load levels in the beams on the macro andnanoscale. The beams were subjected to conservative and nonconservative static loads. Thelevels of critical loads in the beams were analysed assuming a functional dependence of thenonlocal parameters on the vibrational frequency and the state of stress.

Słowa kluczowe

EN

Eringen nonlocal elasticity theory; Timoshenko beam; nanobeam; stability analysis; functional nonlocal parameter

PL

belka Timoshenki; teoria elastyczności; analiza stabilności

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2019
• Tom: Vol. 19, no. 4
• Strony: 1116--1126
• Opis fizyczny: Bibliogr. 64 poz., rys., tab.

Twórcy

autor

Glabisz W.

• Wroclaw University of Science and Technology, Faculty of Civil Engineering, Wybrzeze Wyspianskiego 27, Wroclaw50-370, Poland

autor

Jarczewska K.

• Wroclaw University of Science and Technology, Faculty of Civil Engineering, Wybrzeze Wyspianskiego 27, Wroclaw50-370, Poland

autor

Holubowski R.

• Wroclaw University of Science and Technology, Faculty of Civil Engineering, Wybrzeze Wyspianskiego 27, Wroclaw50-370, Poland

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020)