初始应力与旋转作用下广义热弹性介质的热冲击特性

IF 0.6 4区 工程技术 Q4 MECHANICS
A. M. Abd-Alla, S. M. Abo-Dahab, Abdullah Alsharif
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引用次数: 0

摘要

本研究旨在证明流体静力初始应力和旋转对两种温度的热弹性介质的影响。利用法向模态技术,得到了位移分量、温度场和应力在物理域的精确表达式。对铜材料也进行了数值计算,并以图形形式呈现,以观察所考虑的物理变量的变化。利用拉梅势、法和正态分析得到了解析解。结果表明,旋转和初始应力对导体温度、热力学温度、位移和应力的影响非常显著。为了说明和验证分析的发展,进行了温度、位移和应力的数值计算结果和计算机模拟结果。数值和图形结果强调了初始应力、旋转和热冲击对各种场量的显著影响。图中显示了物理量的比较,以描述初始应力、旋转和热冲击的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Thermal Shock Behaviour on Generalized Thermoelastic Medium under Initial Stress with Rotation

Thermal Shock Behaviour on Generalized Thermoelastic Medium under Initial Stress with Rotation

The present investigation is intended to demonstrate the effect of hydrostatic initial stress and rotation on thermoelastic medium with two temperatures. The exact expressions for the displacement components, temperature field, and stresses are obtained in the physical domain by using the normal mode technique. These are also computed numerically for a copper material and presented graphically to observe the variations of the considered physical variables. The analytical solution has been obtained, we have used the Lame’s potential, method and normal mode analysis. The results indicate that the effect of rotation and initial stress on the conductor temperature, thermodynamic temperature, displacement and stress are quite pronounced. In order to illustrate and verify the analytical development, the numerical results of temperature, displacement and stress are carried out and computer simulated results. The numerical and graphical results underscore the significant influence of initial stress, rotation, and thermal shock on the various field quantities. Comparisons of the physical quantities are shown in figures to depict the effects of initial stress, rotation, and thermal shock.

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来源期刊
Mechanics of Solids
Mechanics of Solids 医学-力学
CiteScore
1.20
自引率
42.90%
发文量
112
审稿时长
6-12 weeks
期刊介绍: Mechanics of Solids publishes articles in the general areas of dynamics of particles and rigid bodies and the mechanics of deformable solids. The journal has a goal of being a comprehensive record of up-to-the-minute research results. The journal coverage is vibration of discrete and continuous systems; stability and optimization of mechanical systems; automatic control theory; dynamics of multiple body systems; elasticity, viscoelasticity and plasticity; mechanics of composite materials; theory of structures and structural stability; wave propagation and impact of solids; fracture mechanics; micromechanics of solids; mechanics of granular and geological materials; structure-fluid interaction; mechanical behavior of materials; gyroscopes and navigation systems; and nanomechanics. Most of the articles in the journal are theoretical and analytical. They present a blend of basic mechanics theory with analysis of contemporary technological problems.
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