The stability problem of a circular cylindrical shell composed of functionally graded materials with elasticity modulus varying continuously in the thickness direction under combined external pressure and axial compression loads is studied in this paper. The formulation is based on the first-order shear deformation theory. A load interaction parameter is defined to express the combination of applied axial compression and external pressure. The stability equations are derived by the adjacent equilibrium criterion method. These equations are employed to analyze the buckling behavior and obtain the critical buckling loads. A detailed numerical study is carried out to bring out the effects of the power law index of functionally graded material, load interaction parameter, thickness ratio, and aspect ratio on the critical buckling loads. The validity of the present analysis was checked by comparing the present results with those results available in literature.
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December 2010
Technical Briefs
On the Buckling of Functionally Graded Cylindrical Shells Under Combined External Pressure and Axial Compression
P. Khazaeinejad,
P. Khazaeinejad
Mem. ASME
Department of Mechanical Engineering, Arak Branch,
e-mail: khazaeinejad@asme.org
Islamic Azad University
, Arak 38135-567, Iran
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M. M. Najafizadeh,
M. M. Najafizadeh
Mem. ASME
Department of Mechanical Engineering, Arak Branch,
Islamic Azad University
, Arak 38135-567, Iran
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J. Jenabi,
J. Jenabi
Department of Mechanical Engineering, Arak Branch,
Islamic Azad University
, Arak 38135-567, Iran
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M. R. Isvandzibaei
M. R. Isvandzibaei
Department of Mechanical Engineering, Sinhgad College of Engineering,
University of Pune
, Ganeshkhind Road, Pune 411007, India
Search for other works by this author on:
P. Khazaeinejad
Mem. ASME
Department of Mechanical Engineering, Arak Branch,
Islamic Azad University
, Arak 38135-567, Irane-mail: khazaeinejad@asme.org
M. M. Najafizadeh
Mem. ASME
Department of Mechanical Engineering, Arak Branch,
Islamic Azad University
, Arak 38135-567, Iran
J. Jenabi
Department of Mechanical Engineering, Arak Branch,
Islamic Azad University
, Arak 38135-567, Iran
M. R. Isvandzibaei
Department of Mechanical Engineering, Sinhgad College of Engineering,
University of Pune
, Ganeshkhind Road, Pune 411007, IndiaJ. Pressure Vessel Technol. Dec 2010, 132(6): 064501 (6 pages)
Published Online: October 15, 2010
Article history
Received:
January 25, 2010
Revised:
March 19, 2010
Online:
October 15, 2010
Published:
October 15, 2010
Citation
Khazaeinejad, P., Najafizadeh, M. M., Jenabi, J., and Isvandzibaei, M. R. (October 15, 2010). "On the Buckling of Functionally Graded Cylindrical Shells Under Combined External Pressure and Axial Compression." ASME. J. Pressure Vessel Technol. December 2010; 132(6): 064501. https://doi.org/10.1115/1.4001659
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