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1 Journal article

Computational strain gradient crystal plasticity

Niordson, Christian Frithiof; Kysar, Jeffrey W.

Journal of the Mechanics and Physics of Solids — 2014, Volume 62, pp. 31-47

A numerical method for viscous strain gradient crystal plasticity theory is presented, which incorporates both energetic and dissipative gradient effects. The underlying minimum principles are discussed as well as convergence properties of the proposed finite element procedure. Three problems

Year: 2014

Language: English

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2 Conference paper

Computational Strain Gradient Crystal Plasticity

Niordson, Christian Frithiof; Kysar, Jeffrey W.

Proceedings of the 17th International Symposium on Plasticity & Its Current Applications — 2011, pp. 13-15

A model for strain gradient crystal visco-plasticity is formulated along the lines proposed by Fleck andWillis (2009) for isotropic plasticity. Size-effects are included in the model due to the addition of gradient terms in both the free energy as well as through a dissipation potential. A finite

Year: 2011

Language: English

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