EXPERIMENTAL AND NUMERICAL ANALYSIS OF COLLAPSE BEHAVIOR OF COMBINED THIN WALLED STRUCTURES UNDER AXIAL LOADING

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GHAMARIAN A.; FARSI M.A.

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Journal: Journal of Aerospace Mechanics Year:2012 | Volume:8 | Issue:1 (27) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES) Page(s): 99-109

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Title

EXPERIMENTAL AND NUMERICAL ANALYSIS OF COLLAPSE BEHAVIOR OF COMBINED THIN WALLED STRUCTURES UNDER AXIAL LOADING

Author(s)

GHAMARIAN A. | FARSI M.A. | Issue Writer Certificate

Keywords

AXIAL CRUSHINGQ2

THIN WALLED STRUCTURESQ3

ENERGY ABSORBERSQ2

CYLINDRICAL SHELLSQ2

SHALLOW SPHERICAL CAPSQ2

Abstract

Crashworthiness and ENERGY ABSORBERS are including components used in some systems for energy absorbing and convert it into energy. The purpose of this study is experimental and numerical investigation of collapse behavior of thin walled structure cylindrical tube with SHALLOW SPHERICAL CAPS (combined THIN WALLED STRUCTURES) under quasi-static axial loading and studied effective factors on a collapse mechanism. In experimental approach, aluminum cylindrical with shallow spherical cap samples was made by the process of spinning. These samples are compressed between two rigid platens under quasi-static loading conditions and the collapse mechanism, the variations of crushing load and absorbed energy are determined. A numerical model is presented based on finite element analysis to simulate the collapse process considering the non-linear responses due to material behavior, contact and large deformation. The comparison of numerical and experimental results showed that the present model provides an appropriate procedure to determine the collapse mechanism, crushing load and the amount of energy absorption. The model is used to evaluate the effects of important parameters such as semi apical angle; height of the cylindrical region, and height of the spherical cap region on the mean crush load, energy absorption capacity, and collapse mechanism of CYLINDRICAL SHELLS with SHALLOW SPHERICAL CAPS. For example, results of this study can assist aerospace industry to reentry sounding rocket carrier payload based on combined structures.

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APA: Copy

GHAMARIAN, A., & FARSI, M.A.. (2012). EXPERIMENTAL AND NUMERICAL ANALYSIS OF COLLAPSE BEHAVIOR OF COMBINED THIN WALLED STRUCTURES UNDER AXIAL LOADING. AEROSPACE MECHANICS JOURNAL, 8(1 (27) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES)), 99-109. SID. https://sid.ir/paper/101932/en

Vancouver: Copy

GHAMARIAN A., FARSI M.A.. EXPERIMENTAL AND NUMERICAL ANALYSIS OF COLLAPSE BEHAVIOR OF COMBINED THIN WALLED STRUCTURES UNDER AXIAL LOADING. AEROSPACE MECHANICS JOURNAL[Internet]. 2012;8(1 (27) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES)):99-109. Available from: https://sid.ir/paper/101932/en

IEEE: Copy

A. GHAMARIAN, and M.A. FARSI, “EXPERIMENTAL AND NUMERICAL ANALYSIS OF COLLAPSE BEHAVIOR OF COMBINED THIN WALLED STRUCTURES UNDER AXIAL LOADING,” AEROSPACE MECHANICS JOURNAL, vol. 8, no. 1 (27) (MECHANICAL BEHAVIOR OF MATERIALS AND STRUCTURES), pp. 99–109, 2012, [Online]. Available: https://sid.ir/paper/101932/en

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