Numerical Analysis of Selected Variants of Reinforcements of Thin-Walled Open Load-Bearing Structures Subjected to Torsion
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Rzeszów University of Technology
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Tomasz Kopecki   

Rzeszów University of Technology
Adv. Sci. Technol. Res. J. 2024; 18(4):400-409
The study concerns the comparative analysis of selected solutions of thin-walled structures subjected to constrained torsion, representing the simulation of wing areas weakened by large cutouts. The chosen variants of stiffening were based on the concept of so-called "Misztal torsion box", used in the wing of the PZL-37 aircraft. A series of numerical analyses were conducted, aiming to compare selected variants of structures with reinforcements and a reference structure based on a traditional design scheme. The calculations were performed using software based on the finite element method. An analysis of the stress and displacement distribution of the examined structure was conducted, and the results demonstrating the advantages of the proposed structural solution were presented.
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