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首页> 外文期刊>Applied Mechanics and Engineering >FORCED VIBRATIONS DUE TO MECHANICAL LOADS IN THERMOVISCOELASTIC HALFSPACES
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FORCED VIBRATIONS DUE TO MECHANICAL LOADS IN THERMOVISCOELASTIC HALFSPACES

机译：热粘弹性半空间中的机械载荷引起的强迫振动

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摘要

In the present article the Kelvin-Voigt model of linear viscoelasticity which describes the viscoelastic nature of a material is used to investigate the forced vibrations due to mechanical loads acting on the boundary of a thermoviscoelastic continuum. The Laplace and Hankel transform technique has been employed to solve the boundary value problem in the transform domain, in the context of various theories of generalized thermoelasticity. The inverse transform integrals are evaluated by using Romberg integration in order to obtain the results in the physical domain. The temperature and stresses so obtained in the physical domain are computed numerically and presented graphically in different situations for a copper material. The comparison of results for different theories of generalized thermoviscoelasticity is also presented at appropriate stages of this work.
机译：在本文中，描述材料的粘弹性的线性粘弹性的Kelvin-Voigt模型用于研究由于作用在热粘弹性连续体边界上的机械载荷引起的强制振动。在广义热弹性的各种理论的背景下，拉普拉斯和汉克尔变换技术已被用来解决变换域中的边值问题。通过使用Romberg积分对逆变换积分进行评估，以获得物理域中的结果。在物理域中如此获得的温度和应力是通过数字计算的，并在不同情况下以图形方式以图形方式显示了铜材料。在这项工作的适当阶段，还对不同的广义热粘弹性理论的结果进行了比较。

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