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An Individual Core Structure of a Sandwich Beam Due to the “Broken Line” Theory of the Shear Effect–Three-Point Bending Cover

An Individual Core Structure of a Sandwich Beam Due to the “Broken Line” Theory of the Shear Effect–Three-Point Bending

Acta Mechanica et Automatica
Volume 19 (2025): Issue 1 (March 2025)
By: Krzysztof Magnucki and  Ewa Magnucka-Blandzi  
Open Access
|Mar 2025

Figures & Tables

Fig. 1.

Scheme of the cross section of the sandwich beam
Scheme of the cross section of the sandwich beam

Fig. 2.

Scheme of a planar cross section deformation of this beam
Scheme of a planar cross section deformation of this beam

Fig. 3.

Scheme of the selected part of this beam cross section
Scheme of the selected part of this beam cross section

Fig. 4.

Scheme of the three-point bending of the beam
Scheme of the three-point bending of the beam

Fig. 5.

Scheme of reactions in left end-part of this beam
Scheme of reactions in left end-part of this beam

Fig. 6.

The graph of the dimensionless displacement function ψ̄f(ξ)
The graph of the dimensionless displacement function ψ̄f(ξ)

Fig. 7.

Graphs of the function fc(η) for the selected structures of the beam
Graphs of the function fc(η) for the selected structures of the beam

Fig. 8.

Graphs of the function τ¯xyc14,η \bar \tau _{{\rm{xy}}}^{\left( c \right)}\left( {{1 \over 4},\eta } \right) for the selected structures of the beam
Graphs of the function τ¯xyc14,η \bar \tau _{{\rm{xy}}}^{\left( c \right)}\left( {{1 \over 4},\eta } \right) for the selected structures of the beam

The results of calculations of the selected structures of beam

χc18/2017/2016/20
C00.213750.294843750.36
ψ̄f(1⁄4)10.73010.99710.915
Cse0.2487140.3491000.433171
ṽmax56.50745.36139.169
DOI: https://doi.org/10.2478/ama-2025-0001 | Journal eISSN: 2300-5319 | Journal ISSN: 1898-4088
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Language: English
Page range: 1 - 6
Submitted on: Apr 9, 2024
Accepted on: May 6, 2024
Published on: Mar 31, 2025
Published by: Bialystok University of Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
sandwich beam,
individual core structure,
“broken line” theory,
bending,
shear effect
Related subjects:
Engineering,
Electrical engineering,
Electronics,
Mechanical engineering,
Mechanics,
Bioengineering and biomedical engineering,
Biomechanics,
Civil engineering,
Environmental engineering

© 2025 Krzysztof Magnucki, Ewa Magnucka-Blandzi, published by Bialystok University of Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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