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Extremum Problems in Shakedown Theory

  • Jacov Kamenjarzh
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 36)

Abstract

The problem of shakedown safety factor calculation is considered in the framework of convex analysis, which leads to the formulation of an upper bound kinematic method making use of time-independent velocity fields. An explicit formula for the upper bound is derived for the shakedown problem with a polyhedron set of variable loads. Conditions are established under which the infimum of upper bounds over a set of regular velocity fields equals the safety factor. Convergence of finite-element approximations to the safety factor is proved.

Keywords

Safety Factor Yield Surface Extremum Problem Internal Approximation Elastic Stress Field 
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Copyright information

© Springer Science+Business Media Dordrecht 1995

Authors and Affiliations

  • Jacov Kamenjarzh
    • 1
  1. 1.School of Mechanics and MathematicsMoscow State UniversityMoscowRussia

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