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首页> 外文期刊>International journal of mechanics and materials in design >Thermo-mechanical interactions in a functionally graded elastic material with voids and gravity field
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Thermo-mechanical interactions in a functionally graded elastic material with voids and gravity field

机译：具有空隙和重力场的功能渐进弹性材料中的热机械相互作用

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摘要

Present research is concerned with the study of two-dimensional disturbances in a non-homogeneous, isotropic, thermoelastic medium with voids and gravity under the purview of Lord-Shulman (LS) model of generalized thermoelasticity. The formulation is subjected to a thermal shock. All the mechanical and thermal properties of the solid are supposed to vary exponentially with distance. Normal mode technique is employed to obtain the exact expressions for the displacement components, stresses, change in volume fraction field and temperature field. These are also calculated numerically for a magnesium crystal-like material and depicted through graphs to observe the variations of the considered physical quantities. Influences of non-homogeneity, gravitational field, voids and relaxation time on the physical quantities are carefully analyzed. A comparison between the models of coupled thermoelasticity theory and LS theory is also presented.
机译：目前的研究涉及在普通热弹性的普鲁曼（LS）模型的范围内具有空隙和重力的非均匀，各向同性，热弹性介质中的二维扰动。制剂经受热冲击。固体的所有机械和热性质应该随着距离呈指数增长。采用正常模式技术来获得位移分量，应力，体积分数场和温度场变化的确切表达。这些也用于数量地计算镁晶体状材料，并通过图表描绘以观察所考虑的物理量的变化。仔细分析了非均匀性，重力场，空隙和放松时间的影响。还提出了耦合热弹性理论和LS理论模型的比较。

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