EXPERIMENTAL AND NUMERICAL INVESTIGATION OF INTERNAL INVERSION OF METALLIC CYLINDRICAL SHELLS UNDER AXIAL IMPACT

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RAJABIEHFARD REZA; DARVIZEH ABOLFAZL; ALITAVOLI MAJID; ANSARI REZA; MAGHDOURI ELMIRA

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 295-304

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Title

EXPERIMENTAL AND NUMERICAL INVESTIGATION OF INTERNAL INVERSION OF METALLIC CYLINDRICAL SHELLS UNDER AXIAL IMPACT

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Keywords

INTERNAL INVERSIONQ1

AXIAL IMPACTQ2

GAS GUNQ1

CYLINDRICAL SHELLSQ2

Abstract

In this paper, the INTERNAL INVERSION process of metallic CYLINDRICAL SHELLS under dynamic axial loading is investigated experimentally and numerically. Experimental tests are performed on the steel tubes in a GAS GUN and the required force for INTERNAL INVERSION is obtained using the measurement system of impact loadings. Also, numerical analysis is carried out by the finite element software ABAQUS and the accuracy of simulated models is validated with the experimental results. In this paper, all geometrical properties of the tubes and die are assumed to be constant and the effect of the projectile mass and velocity is investigated on the shortening and energy absorption of the tubes which are affected by AXIAL IMPACT in the INTERNAL INVERSION process. Therefore the projectile is shot directly to the specimen with different masses and velocities. It is observed that if the projectile mass remains constant, increased impact velocity has almost no effect on the constant inversion load and just increases the tube displacement but if the impact velocity remains constant, increasing the amount of projectile mass causes increase in the constant inversion load besides increased tube displacement. Comparing the results of numerical simulations with the experimental results shows a good agreement between them.

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APA: Copy

RAJABIEHFARD, REZA, DARVIZEH, ABOLFAZL, ALITAVOLI, MAJID, ANSARI, REZA, & MAGHDOURI, ELMIRA. (2016). EXPERIMENTAL AND NUMERICAL INVESTIGATION OF INTERNAL INVERSION OF METALLIC CYLINDRICAL SHELLS UNDER AXIAL IMPACT. MODARES MECHANICAL ENGINEERING, 16(3), 295-304. SID. https://sid.ir/paper/178490/en

Vancouver: Copy

RAJABIEHFARD REZA, DARVIZEH ABOLFAZL, ALITAVOLI MAJID, ANSARI REZA, MAGHDOURI ELMIRA. EXPERIMENTAL AND NUMERICAL INVESTIGATION OF INTERNAL INVERSION OF METALLIC CYLINDRICAL SHELLS UNDER AXIAL IMPACT. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):295-304. Available from: https://sid.ir/paper/178490/en

IEEE: Copy

REZA RAJABIEHFARD, ABOLFAZL DARVIZEH, MAJID ALITAVOLI, REZA ANSARI, and ELMIRA MAGHDOURI, “EXPERIMENTAL AND NUMERICAL INVESTIGATION OF INTERNAL INVERSION OF METALLIC CYLINDRICAL SHELLS UNDER AXIAL IMPACT,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 295–304, 2016, [Online]. Available: https://sid.ir/paper/178490/en

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