Geodesic
Implicit stress integration for elastic-plastic deformation of von Mises material with mixed hardening
Theoretical and applied mechanics, Tome 19 (1993) no. 1, p. 59 
M. Kojić. Implicit stress integration for elastic-plastic deformation of von Mises material with mixed hardening. Theoretical and applied mechanics, Tome 19 (1993) no. 1, p. 59 . http://geodesic.mathdoc.fr/item/TAM_1993_19_1_a5/
@article{TAM_1993_19_1_a5,
     author = {M. Koji\'c},
     title = {Implicit stress integration for elastic-plastic deformation of von {Mises} material with mixed hardening},
     journal = {Theoretical and applied mechanics},
     pages = {59 },
     year = {1993},
     volume = {19},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAM_1993_19_1_a5/}
}
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Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

The fundamental parameter method is applied to the stress integration in the case of the elasto-plastic deformation of the material at the combined reinforcement defined by the von Mises creep condition. Next, the increment stress at strains determined in the general 3-D strain case as well as under plane-state shell and beam stress conditions is determined. Expressions are also deduced concerning the constituent tangent elastoplastic matrix. Some numerical examples illustrate the efficiency and simplicity of the proposed numerical process.