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Volume 14, Issue 2, 2020
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Analysis of the Post-Critical Deformation State of Curvilinear Integral Stiffening of a Thin-Walled Structure Subjected to Torsion
Tomasz Kopecki 1  
 
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Department of Aviation and Mechanical Engineering, Rzeszów University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland
CORRESPONDING AUTHOR
Tomasz Kopecki   

Department of Aviation and Mechanical Engineering, Rzeszów University of Technology, al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland
Publication date: 2020-06-01
 
Adv. Sci. Technol. Res. J. 2020; 14(2):34–40
DOI: https://doi.org/10.12913/22998624/115814
 
 
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KEYWORDS
isogrid
advanced deformation
finie elements method
nonlinear analysis
 
TOPICS
Mechanical Engineering
 
ABSTRACT
The paper presents an innovative concept of integral stiffening of thin-walled structures based on the use of curvilinear elements. The analyzed system in the form of a thin-walled spatial structure was subjected to non-linear numerical analysis, aimed at comparing the properties of the proposed solution with those of the reference stiffening. A comparative analysis of deformation forms and ranges as well as effective stress distributions was conducted. The tests constituted a preliminary analysis, aimed at determining the usability of the solution, which is the basis of the research process supported by an appropriate experiment.
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