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Proposition of an uncoupled approach for the identification of cyclic heat sources from temperature fields in the presence of large strains

Abstract : A methodology is proposed to define an equivalent geometry allowing the use of an uncoupled algorithm to solve thermomechanical problems when cyclic large strain occurs. This methodology is set up on the case of a simple bar and is then challenged on a structural sample for cyclic loadings. It is shown that the definition of the equivalent geometry is dependent on the thermal boundary conditions, which are usually unknowns of the thermal problem. The proposed approach is finally applied to the identification of cyclic dissipation from infrared thermography measurements.
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https://hal.archives-ouvertes.fr/hal-01690524
Contributor : Roseline Le Squère <>
Submitted on : Tuesday, January 23, 2018 - 10:36:51 AM
Last modification on : Wednesday, April 1, 2020 - 1:59:14 AM

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Thomas Glanowski, Vincent Le Saux, Cédric Doudard, Yann Marco, Clément Champy, et al.. Proposition of an uncoupled approach for the identification of cyclic heat sources from temperature fields in the presence of large strains. Continuum Mechanics and Thermodynamics, Springer Verlag, 2017, 29 (5), pp.1163 - 1179. ⟨10.1007/s00161-017-0572-z⟩. ⟨hal-01690524⟩

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