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Browsing by Author "Dafalias, Yannis F"

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Browsing by Author "Dafalias, Yannis F"

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  • Kourousis, Kyriakos I; Dafalias, Yannis F (2013)
    The challenge of describing in a generalized mathematical pattern the inelastic behavior of metals has led to the development of several constitutive models, especially in the field of cyclic plasticity, where phenomena ...
  • Kourousis, Kyriakos I; Saridis, G.J; Dafalias, Yannis F (Transworld Research Network, 2007)
    The challenge of developing a generalized mathematical pattern to describe the plastic behaviour of metals, lead researchers to propose various constitutive models, especially in the field of cyclic plasticity, where ...
  • Feigenbaum, Heidi P; Dugdale, Joel; Dafalias, Yannis F; Kourousis, Kyriakos I; Plesek, Jiri (Elsevier, 2012)
    Ratcheting is defined as the accumulation of plastic strains during cyclic plastic loading. Modeling this behavior is extremely difficult because any small error in plastic strain during a single cycle will add to become ...
  • Dafalias, Yannis F; Kourousis, Kyriakos I; Saridis, George J (Elsevier, 2008)
    The basic innovation proposed in this work is to consider one of the two coefficients of the Armstrong and Frederick (AF) evolution equation for the back stress, function of another dimensionless second order internal ...