两个温度和激光脉冲对修正耦合应力热弹性扩散光束的影响

Q2 Materials Science

Engineering Solid Mechanics Pub Date : 2023-01-01 DOI:10.5267/j.esm.2022.11.005

Rajneesh Kumar, S. Devi

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引用次数: 0

摘要

本文基于修正耦合应力理论，研究了双温度和激光脉冲作用下的热弹性扩散光束问题。应用欧拉-伯努利光束理论和拉普拉斯变换技术求解了无量纲形式的热弹性扩散基本方程。通过对变形分量、侧向位移分量、轴向应力分量、温度变化分量、浓度分量和化学势分量的数学计算来解决该问题。采用铜材料制备数学模型。对拉普拉斯逆变换技术的一般算法进行了数值计算。利用MATLAB软件对计算结果进行数值求解和图形化描述。用图形表示了两个温度、激光脉冲和耦合应力对物理量的影响。本文还讨论了具体的案例。激光脉冲在热处理、塑料、玻璃、陶瓷、半导体和金属的切割、外科手术、光刻和焊接等方面有许多应用。

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The effects of two temperature and laser pulse on modified couple stress thermoelastic diffusion beam

In this work, we studied the problem of thermoelastic diffusion beams on the basis of modified couple stress theory under the effects of two temperature and laser pulse. The Euler-Bernoulli beam theory and the Laplace transform technique are applied to solve the basic equations of thermoelastic diffusion in the non-dimensional form. The transformed components of displacement, lateral deflection, axial stress, temperature change, concentration, and chemical potential are calculated mathematically to solve the problem. Copper material is used to prepare the mathematical model. The general algorithm of the inverse Laplace transform technique has been calculated numerically. MATLAB software is used to find the results numerically and depict them graphically. The effects of two temperature, laser pulse, and couple stress are presented graphically on the physical quantities. Particular cases are also discussed in the present problem. Laser pulse has many applications in Heat treatment, cutting of plastics, glasses, ceramics, semiconductors and metals, surgery, Lithography, and welding.

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来源期刊

Engineering Solid Mechanics Materials Science-Metals and Alloys

CiteScore

3.00

自引率

0.00%

发文量

期刊介绍： Engineering Solid Mechanics (ESM) is an online international journal for publishing high quality peer reviewed papers in the field of theoretical and applied solid mechanics. The primary focus is to exchange ideas about investigating behavior and properties of engineering materials (such as metals, composites, ceramics, polymers, FGMs, rocks and concretes, asphalt mixtures, bio and nano materials) and their mechanical characterization (including strength and deformation behavior, fatigue and fracture, stress measurements, etc.) through experimental, theoretical and numerical research studies. Researchers and practitioners (from deferent areas such as mechanical and manufacturing, aerospace, railway, bio-mechanics, civil and mining, materials and metallurgy, oil, gas and petroleum industries, pipeline, marine and offshore sectors) are encouraged to submit their original, unpublished contributions.