Structural Engineering and Mechanics

  • 제30권6호
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  • Pages.665-678
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  • 2008
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  • 1225-4568(pISSN)
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  • 1598-6217(eISSN)
테크노프레스 (Techno-Press)
권호 표지
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Bree's interaction diagram of beams with considering creep and ductile damage

  • Nayebi, A. (Department of Mechanical Engineering, School of Engineering, Shiraz University)
  • 투고 : 2007.08.31
  • 심사 : 2008.10.12
  • 발행 : 2008.12.20
⟨ 이전 논문 다음 논문 ⟩

초록

The beams components subjected to the loading such as axial, bending and cyclic thermal loads were studied in this research. The used constitutive equations are those of elasto-plasticity coupled to ductile and/or creep damage. The nonlinear kinematic hardening behavior was considered in elastoplasticity modeling. The unified damage law proposed for ductile failure and fatigue by the author of Sermage et al. (2000) and Kachanov's creep damage model applied to cyclic creep and low cycle fatigue of beams. Based on the results of the analysis, the shakedown limit loads were determined through the calculation of the residual strains developed in the beam analysis. The iterative technique determines the shakedown limit load in an iterative manner by performing a series of full coupled elastic-plastic and continuum damage cyclic loading modeling. The maximum load carrying capacity of the beam can withstand, were determined and imposed on the Bree's interaction diagram. Comparison between the shakedown diagrams generated by or without creep and/or ductile damage for the loading patterns was presented.

키워드

참고문헌

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피인용 문헌

  1. Elastoplastic design of beam structures subjected to cyclic thermomechanical loads vol.136, pp.None, 2008, https://doi.org/10.1016/j.tws.2018.12.024