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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Structural Engineering and Mechanics, An Int'l Journal Structural Engineering and Mechanics, An Int'l Journal Vol.60 No.4
- 발행연도
- 2016.1
- 수록면
- 615 - 631 (17page)
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초록· 키워드
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In this paper, an analytical method for the Post-buckling response of cylindrical shells with spiral stiffeners surrounded by an elastic medium subjected to external pressure is presented. The proposed model is based on two parameters elastic foundation Winkler and Pasternak. The material properties of the shell and stiffeners are assumed to be continuously graded in the thickness direction. According to the Von Karman nonlinear equations and the classical plate theory of shells, strain-displacement relations are obtained. The smeared stiffeners technique and Galerkin method is used to solve the nonlinear problem. To valid the formulations, comparisons are made with the available solutions for nonlinear static buckling of stiffened homogeneous and un-stiffened FGM cylindrical shells. The obtained results show the elastic foundation Winkler on the response of buckling is more effective than the elastic foundation Pasternak. Also the ceramic shells buckling strength higher than the metal shells and minimum critical buckling load is occurred, when both of the stiffeners have angle of thirty degrees.
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참고문헌 (29)
참고문헌 신청
Bagherizadeh, E. / 2011 / Mechanical buckling of functionally graded material cylindrical shells surrounded by Pasternak elastic foundation / Compos. Struct 93:3063~3071
Bagherizadeh, E. / 2012 / Thermal buckling of functionally graded material cylindrical shells on elastic foundation / AIAA J 50:500~503
Baruch, M. / 1963 / Effect of eccentricity of stiffeners on the general instability of stiffened cylindrical shells under hydro-static pressure / J. Mech. Eng. Sci 5:23~27
Bich, D.H. / 2011 / Nonlinear postbuckling of eccentrically stiffened functionally graded plates and shallow shells / Vietnam J. Mech 33:132~147
Boroujerdy, M.S. / 2014 / Buckling of heated temperature dependent FGM cylindrical shell surrounded by elastic medium / J. Theor. Appl. Mech 52:869~881
Bagherizadeh, E. / 2012 / Thermal buckling of functionally graded material cylindrical shells on elastic foundation / AIAA J 50:500~503
Baruch, M. / 1963 / Effect of eccentricity of stiffeners on the general instability of stiffened cylindrical shells under hydro-static pressure / J. Mech. Eng. Sci 5:23~27
Bich, D.H. / 2011 / Nonlinear postbuckling of eccentrically stiffened functionally graded plates and shallow shells / Vietnam J. Mech 33:132~147
Boroujerdy, M.S. / 2014 / Buckling of heated temperature dependent FGM cylindrical shell surrounded by elastic medium / J. Theor. Appl. Mech 52:869~881
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