Collapse Behaviour and Energy Absorption of Hemispherical and Conical Shells under Impact Loading Considering Different Damage Models

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Hoseini V.; SHARIATI M.; MAHDIZADEH ROKHI M.

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Journal: Modares Mechanical Engineering Year:2020 | Volume:20 | Issue:6 Page(s): 1611-1623

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Title

Collapse Behaviour and Energy Absorption of Hemispherical and Conical Shells under Impact Loading Considering Different Damage Models

Author(s)

Hoseini V. | SHARIATI M. | MAHDIZADEH ROKHI M. | Issue Writer Certificate

Keywords

Steel Conical ShellQ1

Aluminum Hemispherical ShellQ1

FoamQ1

Energy AbsorberQ2

Damage ModelQ1

Abstract

In this research, the behavior of conical and hemispherical shells, made of steel and aluminum, respectively, subject to impact loading has been investigated using experimental and numerical methods. The energy absorption capacity of these adsorbers has been calculated and the effect of Foam injection on the collapse behavior and energy absorption capacity of Aluminum Hemispherical Shells has been determined. The effect of geometrical parameters on the collapse behavior and adsorption capacity of steel conical adsorbers has also been investigated. Numerical simulations have been performed using the Abaqus finite element software and the results have been compared with the results of the experiments. In Numerical analysis, three Damage Models, Johnson-Cook, GTN, and modified Rousselier have been used. The Johnson-Cook Damage Model is available in Abaqus software but the GTN and the modified Rousselier Damage Models have been created through programming in Abaqus software. The results show that the modified Rousselier Damage Model is more accurate than the other Damage Models. Also, in this research, the effect of thickness of conical shells on their efficiency has been investigated and it becomes clear that increasing the thickness of absorber increases efficiency. In addition, Foam injection does not a positive effect on the hemispherical absorber performance.

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APA: Copy

Hoseini, V., SHARIATI, M., & MAHDIZADEH ROKHI, M.. (2020). Collapse Behaviour and Energy Absorption of Hemispherical and Conical Shells under Impact Loading Considering Different Damage Models. MODARES MECHANICAL ENGINEERING, 20(6 ), 1611-1623. SID. https://sid.ir/paper/179465/en

Vancouver: Copy

Hoseini V., SHARIATI M., MAHDIZADEH ROKHI M.. Collapse Behaviour and Energy Absorption of Hemispherical and Conical Shells under Impact Loading Considering Different Damage Models. MODARES MECHANICAL ENGINEERING[Internet]. 2020;20(6 ):1611-1623. Available from: https://sid.ir/paper/179465/en

IEEE: Copy

V. Hoseini, M. SHARIATI, and M. MAHDIZADEH ROKHI, “Collapse Behaviour and Energy Absorption of Hemispherical and Conical Shells under Impact Loading Considering Different Damage Models,” MODARES MECHANICAL ENGINEERING, vol. 20, no. 6 , pp. 1611–1623, 2020, [Online]. Available: https://sid.ir/paper/179465/en

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