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ANALYTIC-NUMERICAL SOLUTION OF CONTACT PROBLEMS OF THERMOELASTICITY FOR THERMOSENSITIVE BODIES

机译:热敏物体热弹性接触问题的解析数值解

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摘要

We propose a method for the construction of analytic-numerical solutions of nonstationary problems of heat conduction for the case of contact of thermosensitive bodies of simple shape (flat, cylindrical, or spherical) with heat exchange with the ambient medium through the surfaces of the bodies. It is assumed that the thermal diffusivity is constant. We construct the solution of a nonstationary problem of heat conduction for a system formed by a cylindrical body with thin coating heated by the ambient medium in the process of convective beat exchange through the surface of the coating. The thermal contact between the cylinder and the coating is regarded as perfect. The solution of the corresponding quasistatic problem of thermoelasticity is constructed by the perturbation method. The numerical analysis of the results is performed.
机译:我们提出一种构造热传导非平稳问题的解析数值解的方法,用于简单形状(扁平,圆柱形或球形)的热敏物体通过其表面与周围介质进行热交换的情况。假设热扩散率是恒定的。我们构建了一个由圆柱体形成的系统的非稳态热传导问题的解决方案,该系统的薄涂层被环境介质在通过涂层表面的对流节拍交换过程中加热。圆柱体与涂层之间的热接触被认为是完美的。通过摄动法构造了相应的准热力学准静态问题的解。对结果进行数值分析。

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