Open Access

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

Krzysztof Magnucki

Krzysztof Magnucki

Łukasiewicz Research Network – Poznan Institute of Technology, Rail Vehicles CenterPoznan, Poland
Orcid profile
Search for this author on
Sciendo|Google Scholar
Magnucki, Krzysztof
 and 
Ewa Magnucka-Blandzi

Ewa Magnucka-Blandzi

Institute of Mathematics, Poznan University of TechnologyPoznan, Poland
Orcid profile
Search for this author on
Sciendo|Google Scholar
Magnucka-Blandzi, Ewa
  
Mar 31, 2025
An Individual Core Structure of a Sandwich Beam Due to the “Broken Line” Theory of the Shear Effect–Three-Point Bending's Cover Image
About this article
Previous Article
Next Article
Cite
Download Cover
Published Online: Mar 31, 2025
Page range: 1 - 6
Received: Apr 09, 2024
Accepted: May 06, 2024
DOI: https://doi.org/10.2478/ama-2025-0001
Keywords
© 2025 Krzysztof Magnucki et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

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

χc 18/20 17/20 16/20
C0 0.21375 0.29484375 0.36
ψ̄f(1⁄4) 10.730 10.997 10.915
Cse 0.248714 0.349100 0.433171
ṽmax 56.507 45.361 39.169
Language:
English
Publication timeframe:
4 times per year
Journal Subjects:
Engineering, Electrical Engineering, Electronics, Mechanical Engineering, Mechanics, Bioengineering and Biomedical Engineering, Biomechanics, Civil Engineering, Environmental Engineering
Journal RSS Feed