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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.55 No.5
- 발행연도
- 2015.1
- 수록면
- 913 - 929 (17page)
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초록· 키워드
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The ratcheting and strain cyclic behaviour of joined conical-cylindrical shells under uniaxial strain controlled, uniaxial and multiaxial stress controlled cyclic loading are investigated in the paper. The elasto-plastic deformation of the structure is simulated using Chaboche non-linear kinematic hardening model in finite element package ANSYS 13.0. The stress-strain response near the joint of conical and cylindrical shell portions is discussed in detail. The effects of strain amplitude, mean stress, stress amplitude and temperature on ratcheting are investigated. Under strain symmetric cycling, the stress amplitude increases with the increase in imposed strain amplitude. Under imposed uniaxial/multiaxial stress cycling, ratcheting strain increases with the increasing mean/amplitude values of stress and temperature. The abrupt change in geometry at the joint results in local plastic deformation inducing large strain variations in the vicinity of the joint. The forcing frequency corresponding to peak axial ratcheting strain amplitude is significantly smaller than the frequency of first linear elastic axial vibration mode. The strains predicted from quasi static analysis are significantly smaller as compared to the peak strains from dynamic analysis.
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참고문헌 (30)
참고문헌 신청
H. Badnava / 2012 / Ratcheting behavior of cylindrical pipes based on the Chaboche kinematic hardening rule / Journal of Mechanical Science and Technology 26(10):3073~3079
Bari, S. / 2000 / Anatomy of coupled constitutive models for ratcheting simulation / Int. J. Plast 16(3):381~409
Benallal, A. / 1989 / An experimental investigation of cyclic hardening of 316 stainless steel and of 2024 aluminium alloy under multiaxial loadings / Nucl. Eng. Des 114(3):345~353
Benham, P. / 1965 / Some observations of cyclic strain-induced creep in mild steel at room temperature / Int. J. Mech. Sci. 7(2):81~86
Besseling, J. / 1959 / A Theory of elastic, plastic and creep deformations of an initially isotropic material showing anisotropic strain-hardening, creep recovery, and secondary creep / Int. J. Appl. Mech 25:529~536
Bari, S. / 2000 / Anatomy of coupled constitutive models for ratcheting simulation / Int. J. Plast 16(3):381~409
Benallal, A. / 1989 / An experimental investigation of cyclic hardening of 316 stainless steel and of 2024 aluminium alloy under multiaxial loadings / Nucl. Eng. Des 114(3):345~353
Benham, P. / 1965 / Some observations of cyclic strain-induced creep in mild steel at room temperature / Int. J. Mech. Sci. 7(2):81~86
Besseling, J. / 1959 / A Theory of elastic, plastic and creep deformations of an initially isotropic material showing anisotropic strain-hardening, creep recovery, and secondary creep / Int. J. Appl. Mech 25:529~536
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