Inverse problem of thermoelasticity for the isotropic medium containing a cavity in the case of triaxial tension with constant temperature on the surface |
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Authors: | V. S. Kirilyuk O. I. Levchuk V. F. Tkachenko |
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Affiliation: | (1) Timoshenko Institute of Mechanics, National Academy of Sciences of Ukraine, Kiev, Ukraine |
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Abstract: | We consider the inverse problem of thermoelasticity for an isotropic medium containing a cavity of unknown shape and subjected to the action of mechanical and thermal loads. Nonlinear equations are deduced for the geometric parameters of an ellipsoidal equistressed cavity. Similar relations for mechanical loads obtained by the other authors follow from the constructed equations as special cases. The numerical analysis is performed and the relationship between the values of the loads and the parameters of the cavity is investigated. The stresses on the equistressed surface of the cavity are found and the influence of temperature on the relationship between the parameters of loads and the geometric characteristics of the equistressed cavity is analyzed. __________ Translated from Problemy Prochnosti, No. 1, pp. 121–131, January–February, 2007. |
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Keywords: | inverse problem unknown surface of the cavity mechanical and thermal loads equistressed surface relationship between the loads and the parameters of the cavity |
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