Conditions for the existence of discontinuity surfaces of irreversible strains in elastoplastic media. (English. Russian original) Zbl 1272.74060
J. Appl. Mech. Tech. Phys. 50, No. 5, 878-885 (2009); translation from Prikl. Mekh. Tekh. Fiz. 50, No. 5, 176-185 (2009).
Summary: Constraints are obtained on the stresses of a plastically compressed elastoplastic medium at which the occurrence of discontinuities of irreversible strains is possible. The loading surfaces are taken to be piecewise linear closed surfaces. Velocities of motion of irreversible-strain discontinuity surfaces are calculated.
MSC:
| 74C05 | Small-strain, rate-independent theories of plasticity (including rigid-plastic and elasto-plastic materials) |
| 74J40 | Shocks and related discontinuities in solid mechanics |
Keywords:
dynamics of elastoplastic media; irreversible compressibility; strain discontinuity; dissipative shock wavesReferences:
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