Geodesic
A self-similar wave problem in a Prandtl–Reuss elastoplastic medium
Informatics and Automation, Modern problems of mechanics, Tome 295 (2016), pp. 195-205 
A. G. Kulikovskii; A. P. Chugainova. A self-similar wave problem in a Prandtl–Reuss elastoplastic medium. Informatics and Automation, Modern problems of mechanics, Tome 295 (2016), pp. 195-205. http://geodesic.mathdoc.fr/item/TRSPY_2016_295_a10/
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     author = {A. G. Kulikovskii and A. P. Chugainova},
     title = {A self-similar wave problem in {a~Prandtl{\textendash}Reuss} elastoplastic medium},
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Voir la notice de l'article provenant de la source Math-Net.Ru

We consider a self-similar piston problem in which stresses on the boundary of a half-space are changed instantaneously. The half-space is filled with a Prandtl–Reuss medium in a uniform stressed state. It is assumed that the formation of shock waves is possible in the medium. We prove the existence of a solution to the problem in the cases when two or all three stress components are changed at the initial moment.

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