Numerical and Experimental Investigation of Structural Integrity in Armored Vehicle Due to Explosive Loading

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HOSSEINI S.H.; NAJAFI M.; JOUDAKI J.

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Journal: JOURNAL OF SOLID AND FLUID MECHANICS Year:2018 | Volume:8 | Issue:3 Page(s): 193-204

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Title

Numerical and Experimental Investigation of Structural Integrity in Armored Vehicle Due to Explosive Loading

Author(s)

HOSSEINI S.H. | NAJAFI M. | JOUDAKI J. | Issue Writer Certificate

Keywords

Finite Element AnalysisQ2

Explosive LoadingQ1

High Strength Low Alloy SteelQ1

Smoothed Particle HydrodynamicsQ1

SPHQ1

Abstract

Armored vehicles almost experience Explosive Loading on the battlefield. In this article, the structural integrity of the armored vehicle under Explosive Loading will be studied experimentally and numerically. A Finite Element Analysis has been developed to find the effect of explosion by 10 kg TNT at 97 cm distance from the bottom of an armored vehicle on the structure of the vehicle. Part of the vehicle, which has maximum stress, is selected for detail analysis. The selected part consists of welding joints. The selected structure is modeled in the FE software and an equivalent Explosive Loading was applied to the structure. Experimental tests had been implemented on the selected structure by the equivalent Explosive Loading. A particular fixture was designed and manufactured for experimental tests. The finite element results show that the stress magnitude in the welded structure exceeds from the yield strength of the used material, the structure experiences plastic deformation. But fracture did not happen in the structure. Similar conditions have been observed in the experimental results. The explosion steps which was recorded by a high-speed camera shows that the blast wave is similar to the results of Smoothed Particle Hydrodynamics (SPH).

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APA: Copy

HOSSEINI, S.H., NAJAFI, M., & JOUDAKI, J.. (2018). Numerical and Experimental Investigation of Structural Integrity in Armored Vehicle Due to Explosive Loading. JOURNAL OF SOLID AND FLUID MECHANICS, 8(3 ), 193-204. SID. https://sid.ir/paper/391251/en

Vancouver: Copy

HOSSEINI S.H., NAJAFI M., JOUDAKI J.. Numerical and Experimental Investigation of Structural Integrity in Armored Vehicle Due to Explosive Loading. JOURNAL OF SOLID AND FLUID MECHANICS[Internet]. 2018;8(3 ):193-204. Available from: https://sid.ir/paper/391251/en

IEEE: Copy

S.H. HOSSEINI, M. NAJAFI, and J. JOUDAKI, “Numerical and Experimental Investigation of Structural Integrity in Armored Vehicle Due to Explosive Loading,” JOURNAL OF SOLID AND FLUID MECHANICS, vol. 8, no. 3 , pp. 193–204, 2018, [Online]. Available: https://sid.ir/paper/391251/en

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