Elastoplastic and Damage Analysis of Trusses Subjected to Cyclic Loading
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In the present paper, the Preisach model of hysteresis is extended to structural analysis of trusses damaged under cyclic loading in plastic range. Parameters for the Preisach model of cyclic plasticity are obtained from uniaxial loading experiment. Damage, as a consequence of micro cracks appearance due to alternating loading in plastic domain, is modeled using brittle elements according to Preisach procedure. Results of this research are compared with the already existing in the literature. In the paper examples of trusses under various cyclic loadings are presented.
Source:Damage Mechanics: Theory, Computation and Practice, 2015, 784, 68-79
- Trans Tech Publications Ltd.,
- Applied Mechanics and Materials