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首页> 外文期刊>Journal of thermal stresses >DISTURBANCE DUE TO POINT LOADS IN A PIEZOTHERMOELASTIC CONTINUUM
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DISTURBANCE DUE TO POINT LOADS IN A PIEZOTHERMOELASTIC CONTINUUM

机译：皮热弹性连续体中的点载荷引起的扰动

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摘要

The aim of this article is to study the disturbance in a homogeneous, transversely isotropic (6 mm class), linear generalized piezothermoelastic, cylindrical continuum subjected to continuous mechanical and thermal point loads. A combination of integral transforms, Laplace and Hankel, has been employed to solve the model consisting of partial differential equations and boundary conditions. The transform technique reduces the system of partial differential equations to ordinary differential equations. The formal solution of the resulting system of coupled ordinary differential equations has been obtained by using the eigenvalue approach. A numerical technique for inverting the integral transforms along with Des Carles' procedure and the Gauss elimination method has been used to obtain the results in physical domain. The stresses, temperature change and electric displacement have been computed numerically from the relevant expressions and relations for PZT-5A material. The computer simulated results have been presented graphically.
机译：本文的目的是研究受连续机械和热点载荷作用的均匀，横向各向同性（6毫米级），线性广义压电弹性，圆柱连续体的扰动。积分变换（拉普拉斯和汉克尔）的组合已用于求解由偏微分方程和边界条件组成的模型。变换技术将偏微分方程组简化为常微分方程组。通过使用特征值方法已经获得了耦合常微分方程系统的形式化解。逆变换积分变换的数值技术以及Des Carles的过程和高斯消去法已被用于获得物理域中的结果。从PZT-5A材料的相关表达式和关系式中数值计算了应力，温度变化和电位移。计算机仿真结果已以图形方式呈现。

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