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Article Dans Une Revue Journal of the Mechanics and Physics of Solids Année : 1994

On the inversion of subsurface residual stresses from surface stress measurements

Résumé

Matter removal is necessary in order to measure the stress tensor at an interior point of a solid by means of X-ray diffraction. This induces stress redistribution so that the measured stress is different from the original residual stress. This paper addresses the problem of reconstructing the original stress field from the measurements. A method of solution is described for the reconstruction problem, which leads to explicit inversion formulae for the case of some simple geometries. Closed-form expressions are obtained for the two- and three-dimensional half-space. For bodies of arbitrary shape, a numerical algorithm is proposed.
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hal-03824629 , version 1 (21-10-2022)

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Paternité - Pas d'utilisation commerciale

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Patrick Ballard, Andrei Constantinescu. On the inversion of subsurface residual stresses from surface stress measurements. Journal of the Mechanics and Physics of Solids, 1994, 42 (11), pp.1767-1787. ⟨10.1016/0022-5096(94)90071-X⟩. ⟨hal-03824629⟩
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