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- Article name
- Elastic-plastic deformation of the flat reinforced envelopments at thermo-force loading
- Authors
- NEMIROVSKII Yu. V., , , Institute of Theoretical and Applied Mechanics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
YANKOVSKII A. P., , , Institute of Theoretical and Applied Mechanics of Siberian Branch of Russian Academy of Sciences, Novosibirsk, Russia
- Keywords
- Year
- 2007 Issue 2 Pages 3 - 17
- Code EDN
- Code DOI
- Abstract
- The problem elastic-plastic deformations of flat difficultly reinforced envelopments of variable thickness is formulated at thermo-force loading. The qualitative analysis of a task in view is lead and its way linearity is specified. Concrete calculations of isotropic and metal-composite plates and flat spherical envelopments have shown, that carrying ability of such designs at elastic-plastic deformation in some times (sometimes on the order and more) is higher, than at elastic deformation; heating of plates and flat envelopments at some structures of reinforcing sharply reduces their resistance at elastic deformation and insignificantly influences on their resistibility at elastic-plastic deformation; not always reinforcing on directions of the main stresses and deformations provides to such designs the greatest carrying ability; the increase in curvature of a flat envelopments results of increase its resistibility cross-section loading.
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