Analytical and numerical assessment of buckling strength of silos with corrugated walls under uniform external pressure

Ilincă, Costin; Tănase, Maria

doi:10.1007/s42107-022-00423-1

Asian J Civ Eng

2022

DOI: 10.1007/s42107-022-00423-1

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Analytical and numerical assessment of buckling strength of silos with corrugated walls under uniform external pressure

Costin Ilincă

Maria Tănase

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Cited by 2 publications

References 21 publications

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Integrated Analytical, Numerical, and Statistical Analysis of Buckling Behavior in Steel Cylindrical Silos with Corrugated Walls

Tănase,

Portoacă,

Gabor

et al. 2024

Processes

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This paper investigates the buckling behavior of steel cylindrical silos with corrugated walls and vertical stringers under axial compression. The study integrates analytical, numerical, and statistical analyses to understand the influence of geometrical parameters such as radius, wall thickness, and corrugation profile on the buckling phenomenon. The analytical calculations elucidate the critical buckling load for various scenarios, considering both unstiffened and stiffened wall configurations. The finite element analysis provides numerical validation, while the statistical analysis offers insights into the sensitivity of the critical buckling load to different parameters. The results highlight the significance of corrugation height and suggest the optimal design parameters for maximizing buckling resistance while minimizing structural weight.

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Integrated Analytical, Numerical, and Statistical Analysis of Buckling Behavior in Steel Cylindrical Silos with Corrugated Walls

Tănase,

Portoacă,

Gabor

et al. 2024

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A Study regarding the Technical-Economical Optimization of Structural Components for enhancing the Buckling Resistance in Stiffened Cylindrical Shells

Tanase,

Zisopol,

Portoaca

2023

Eng. Technol. Appl. Sci. Res.

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This paper presents a technical-economical optimization by maximizing the ratio between the critical buckling pressure (technical characteristic) and the production cost (economic characteristic) of stiffened cylindrical shells, a basic concept of value analysis. Critical buckling load values were determined using both the Finite Element Method (FEM) and analytical calculations to validate the accuracy of the results obtained. The maximum difference between the analytical and numerical results was 10%. Technical-economic optimization was carried out using the design of experiments method with MINITAB 19 and allowed to select the optimal input parameters, stiffener dimensional ratio 0.10, shell wall thickness 2.50 mm, and distance between circumferential stiffeners 400 mm, and identify the main factors that impact the output response. For the optimal constructive configuration, the ratio between the critical buckling load and the production cost of the stiffened cylindrical shells was maximized by 199%.

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Analytical and numerical assessment of buckling strength of silos with corrugated walls under uniform external pressure

Cited by 2 publications

References 21 publications

Integrated Analytical, Numerical, and Statistical Analysis of Buckling Behavior in Steel Cylindrical Silos with Corrugated Walls

Integrated Analytical, Numerical, and Statistical Analysis of Buckling Behavior in Steel Cylindrical Silos with Corrugated Walls

A Study regarding the Technical-Economical Optimization of Structural Components for enhancing the Buckling Resistance in Stiffened Cylindrical Shells

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