Design of an Annular Disc Subject to Thermomechanical Loading

Sergei Alexandrov, Elena Lyamina and Yeau-Ren Jeng

Mathematical Problems in Engineering, 2012, vol. 2012, 1-9

Abstract:

Two solutions to design a thin annular disc of variable thickness subject to thermomechanical loading are proposed. It is assumed that the thickness of the disc is everywhere sufficiently small for the stresses to be averaged through the thickness. The state of stress is plane. The initiation of plastic yielding is controlled by Mises yield criterion. The design criterion for one of the solutions proposed requires that the distribution of stresses is uniform over the entire disc. In this case there is a relation between optimal values of the loading parameters at the final stage. The specific shape of the disc corresponds to each pair of such parameters. The other solution is obtained under the additional requirement that the distribution of strains is uniform. This solution exists for the disc of constant thickness at specific values of the loading parameters.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:709178

DOI: 10.1155/2012/709178

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