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Publications

Effect of the third invariant on the formation of necking instabilities in ductile plates subjected to plane strain tension

Author(s): J. A. Rodríguez-Martínez, O. Cazacu, N. Chandola, K. E. N’souglo
Published in: Meccanica, 2021, ISSN 0025-6455
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s11012-021-01330-6

The combined effect of size, inertia and porosity on the indentation response of ductile materials

Author(s): T. dos Santos, A. Srivastava, J.A. Rodríguez-Martínez
Published in: Mechanics of Materials, 153, 2021, Page(s) 103674, ISSN 0167-6636
Publisher: Elsevier BV
DOI: 10.1016/j.mechmat.2020.103674

A three-pronged approach to predict the effect of plastic orthotropy on the formability of thin sheets subjected to dynamic biaxial stretching

Author(s): K.E. N’souglo, N. Jacques, J.A. Rodríguez-Martínez
Published in: Journal of the Mechanics and Physics of Solids, 146, 2021, Page(s) 104189, ISSN 0022-5096
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.jmps.2020.104189

The effect of material orientation on void growth

Author(s): N. Hosseini, J. C. Nieto-Fuentes, M. Dakshinamurthy, J. A. Rodríguez-Martínez, G. Vadillo
Published in: International Journal of Plasticity, 2022, Page(s) 103149, ISSN 0749-6419
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijplas.2021.103149

A simple and computationally efficient stress integration scheme based on numerical approximation of the yield function gradients: Application to advanced yield criteria

Author(s): N. Hosseini, J.A. Rodríguez-Martínez
Published in: Finite Elements in Analysis and Design, 192, 2021, Page(s) 103538, ISSN 0168-874X
Publisher: Elsevier BV
DOI: 10.1016/j.finel.2021.103538

Influence on strain-rate history effects on the development of necking instabilities under dynamic loading conditions

Author(s): N. Jacques, J.A. Rodríguez-Martínez
Published in: International Journal of Solids and Structures, 2020, Page(s) 111152, ISSN 0020-7683
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijsolstr.2021.111152

A new analytical model to predict the formation of necking instabilities in porous plates subjected to dynamic biaxial loading

Author(s): M. Anil Kumar, K. E. N’souglo, J. A. Rodríguez-Martínez
Published in: International Journal of Fracture, 2021, Page(s) 181–198, ISSN 0376-9429
Publisher: Kluwer Academic Publishers
DOI: 10.1007/s10704-021-00599-8

A comparative study of the dynamic fragmentation of non-linear elastic and elasto-plastic rings: The roles of stored elastic energy and plastic dissipation

Author(s): A. Vaz-Romero, S. Mercier, J.A. Rodríguez-Martínez, A. Molinari
Published in: Mechanics of Materials, 132, 2019, Page(s) 134-148, ISSN 0167-6636
Publisher: Elsevier BV
DOI: 10.1016/j.mechmat.2019.02.002

Dynamic spherical cavity expansion in Gurson materials with uniform and non-uniform distributions of porosity

Author(s): T. dos Santos, K.E. N’souglo, J.A. Rodríguez-Martínez
Published in: Mechanics of Materials, 134, 2019, Page(s) 115-131, ISSN 0167-6636
Publisher: Elsevier BV
DOI: 10.1016/j.mechmat.2019.04.017

Dynamic cylindrical cavity expansion in orthotropic porous ductile materials

Author(s): T. dos Santos, A. Vaz-Romero, J.A. Rodríguez-Martínez
Published in: International Journal of Impact Engineering, 132, 2019, Page(s) 103325, ISSN 0734-743X
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijimpeng.2019.103325

Dynamics of Necking and Fracture in Ductile Porous Materials

Author(s): Xinzhu Zheng, Komi E. N’souglo, Jose A. Rodríguez-Martínez, Ankit Srivastava
Published in: Journal of Applied Mechanics, 87/4, 2020, ISSN 0021-8936
Publisher: ASME
DOI: 10.1115/1.4045841

Modeling dynamic spherical cavity expansion in elasto-viscoplastic media

Author(s): T. dos Santos, A. Brezolin, R. Rossi, J. A. Rodríguez-Martínez
Published in: Acta Mechanica, 231/6, 2020, Page(s) 2381-2397, ISSN 0001-5970
Publisher: Springer Verlag
DOI: 10.1007/s00707-020-02646-2

Size effects on the plastic shock formation in steady-state cavity expansion in porous ductile materials

Author(s): T. dos Santos, J.A. Rodríguez-Martínez
Published in: Mechanics Research Communications, 113, 2021, Page(s) 103690, ISSN 0093-6413
Publisher: Pergamon Press
DOI: 10.1016/j.mechrescom.2021.103690

New insights into the role of porous microstructure on dynamic shear localization

Author(s): A. R. Vishnu, M. Marvi-Mashhadi, J .C. Nieto-Fuentes, J. A. Rodríguez-Martínez
Published in: International Journal of Plasticity, 2022, Page(s) 103150, ISSN 0749-6419
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijplas.2021.103150

Multiple necking patterns in elasto-plastic rings subjected to rapid radial expansion: The effect of random distributions of geometric imperfections

Author(s): M. Marvi-Mashhadi, J.A. Rodríguez-Martínez
Published in: International Journal of Impact Engineering, 144, 2020, Page(s) 103661, ISSN 0734-743X
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijimpeng.2020.103661

Finite element analysis to determine the role of porosity in dynamic localization and fragmentation: Application to porous microstructures obtained from additively manufactured materials

Author(s): M. Marvi-Mashhadi, A. Vaz-Romero, F. Sket, J. A. Rodríguez-Martínez
Published in: International Journal of Plasticity, 2021, ISSN 0749-6419
Publisher: Pergamon Press Ltd.
DOI: 10.1016/j.ijplas.2021.102999