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Slip and Dislocation in Crystalline Solids as Precursors to Localized Deformation

Borja, Ronaldo I. / Rahmani, Helia / Liu, Fushen

We use crystal plasticity to describe the slip and dislocation in crystalline solids under mechanical loading. The constitutive formulation involves linearly dependent slip systems from which we extract a group of linearly independent slip systems using the ultimate algorithm advocated by Borja and Wren (Int J Numer Methods Eng 36:3815–3840, 1993). We implement the ultimate algorithm into a 3D nonlinear finite element code with infinitesimal deformation. We use the code to compare the deformation fields generated by crystal plasticity formulation and the classic J₂ plasticity model.

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Slip and Dislocation in Crystalline Solids as Precursors to Localized Deformation

Borja, Ronaldo I. / Rahmani, Helia / Liu, Fushen

We use crystal plasticity to describe the slip and dislocation in crystalline solids under mechanical loading. The constitutive formulation involves linearly dependent slip systems from which we extract a group of linearly independent slip systems using the ultimate algorithm advocated by Borja and Wren (Int J Numer Methods Eng 36:3815–3840, 1993). We implement the ultimate algorithm into a 3D nonlinear finite element code with infinitesimal deformation. We use the code to compare the deformation fields generated by crystal plasticity formulation and the classic J₂ plasticity model.

Slip and Dislocation in Crystalline Solids as Precursors to Localized Deformation

Borja, Ronaldo I. / Rahmani, Helia / Liu, Fushen

We use crystal plasticity to describe the slip and dislocation in crystalline solids under mechanical loading. The constitutive formulation involves linearly dependent slip systems from which we extract a group of linearly independent slip systems using the ultimate algorithm advocated by Borja and Wren (Int J Numer Methods Eng 36:3815–3840, 1993). We implement the ultimate algorithm into a 3D nonlinear finite element code with infinitesimal deformation. We use the code to compare the deformation fields generated by crystal plasticity formulation and the classic J₂ plasticity model.

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Titel:

Slip and Dislocation in Crystalline Solids as Precursors to Localized Deformation

Beteiligte:

Bonelli, Stéphane (Herausgeber:in) / Dascalu, Cristian (Herausgeber:in) / Nicot, François (Herausgeber:in) / Borja, Ronaldo I. (Autor:in) / Rahmani, Helia (Autor:in) / Liu, Fushen (Autor:in)

Erschienen in:

Advances in Bifurcation and Degradation in Geomaterials ; Kapitel: 10 ; 75-81

Springer Series in Geomechanics and Geoengineering

Erscheinungsdatum:

28.05.2011

Format / Umfang:

7 pages

ISBN:

978-94-007-1421-2 , 978-94-007-1420-5

ISSN:

1866-8763 , 1866-8755

DOI:

https://doi.org/10.1007/978-94-007-1421-2_10

Medientyp:

Aufsatz/Kapitel (Buch)

Format:

Elektronische Ressource

Sprache:

Englisch

Schlagwörter:

Crystal plasticity , Micromechanics , Rocks , Ultimate algorithm Engineering , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Geophysics and Environmental Physics

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