Parcourir par sujet "Strain gradient elasticity"

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Derivation of strain gradient length via homogenization of heterogeneous elastic materials

Triantafyllou, A.; Giannakopoulos, A. E. (2013)

We present explicit upper bound estimates of the microstructural length used in simple gradient elasticity. Our model is a two dimensional composite made of circular hard inclusions randomly dispersed in a soft matrix. ...
A second gradient elasto-plastic model for fatigue of small-scale metal components

Stamoulis, K.; Giannakopoulos, A. E. (2010)

Purpose - As the dimensions of structures are scaled down to the micro- and nano-domains, the mechanical behavior becomes size dependent and thus, the classical elasticity solutions cannot be expected to hold. In particular, ...
The use of strain gradient elasticity in modelling tissues: The case of the human heart

Giannakopoulos, A. E.; Zafiropoulou, V. I. (2010)

In recent years, strain gradient elasticity has been used to capture size effects in stiffness and toughness that appear in structures of different sizes. An important aspect of such theories, often taken of little notice, ...