Temat: deflection; critical load - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Three models of a sandwich beam: bending, buckling, and free vibrations
Autorzy:: Magnucki, Krzysztof
Magnucka-Blandzi, Ewa
Wittenbeck, Leszek
Powiązania:: https://bibliotekanauki.pl/articles/38884025.pdf
Data publikacji:: 2022
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Tematy:: shear deformation theory
deflection; critical load
fundamental natural frequency
Opis:: 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.
Źródło:: Engineering Transactions; 2022, 70, 2; 97-122
0867-888X
Pojawia się w:: Engineering Transactions
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Bending and buckling of a metal seven-layer beam with a lengthwise corrugated main core – comparative analysis with the sandwich beam
Autorzy:: Magnucka-Blandzi, E.
Rodak, M.
Powiązania:: https://bibliotekanauki.pl/articles/280609.pdf
Data publikacji:: 2017
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: layered plate-band
trapezoidal corrugated cores
deflection
critical load
Opis:: The subject of analytical investigations is a metal seven-layer beam, a plate band with a lengthwise trapezoidal corrugated main core and two crosswise trapezoidal corrugated cores of faces. The hypothesis of deformation of normal to the middle surface of the beam after bending is formulated. Equations of equilibrium are derived based on the theorem of mini- mum total potential energy. The equations are analytically solved. Three point bending and buckling for axially compression of the simply supported beam are theoretically studied. The deflection and the critical axial force are determined for different values of the trapezoidal corrugation pitch of the main core. Moreover, an adequate model of the sandwich beam with steel foam core is formulated. The deflection and the critical axial force are determined for this sandwich beam. The results studied of the seven layer beam and the adequate sandwich beam are compared and presented in tables and figures.
Źródło:: Journal of Theoretical and Applied Mechanics; 2017, 55, 1; 41-53
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

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