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Multi-scale analyses on seismic damage and progressive failure of steel structures

Li, Z.X. ; Jiang, F.F. ; Tang, Y.Q.

Finite Elements in Analysis and Design, 1/2012, Vol.48(1), pp.1358-1369 [Periódico revisado por pares]

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  • Título:
    Multi-scale analyses on seismic damage and progressive failure of steel structures
  • Autor: Li, Z.X. ; Jiang, F.F. ; Tang, Y.Q.
  • Assuntos: Damage Evolution ; Seismic Response ; Multi-Scale Modeling ; Progressive Failure ; Numerical Analyses ; Damage Evolution ; Seismic Response ; Multi-Scale Modeling ; Progressive Failure ; Numerical Analyses ; Engineering ; Applied Sciences
  • É parte de: Finite Elements in Analysis and Design, 1/2012, Vol.48(1), pp.1358-1369
  • Descrição: This paper is aimed to develop a numerical procedure for multi-scale analyses on seismic damage and progressive failure process in steel structures by considering meso-scale damage evolution based on CDM constitutive model at vulnerable locations. The mechanism of seismic damage or local progressive failure and their effect on nonlinear dynamic behavior of structures are then explored with the developed procedure. The multi-scale modeling of structural damage is developed to describe the phenomena that some joint parts at vulnerable locations with meso-defects in a structure show nonlinear damage evolution or local failure due to stress concentration while mostly parts of the structure remain elastic and show linear response. A ductile damage constitutive model is chosen as the description of meso-scale damage evolution in the numerical analysis on damage and progressive failure of steel structures under seismic loading, and the developed numerical procedure is implemented with...
  • Idioma: Inglês

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