Thermoelastic response of a one-dimensional semi-infinite rod heated by a moving laser pulse

被引：10

作者：

Sun, Yuxin ^{[1
]}

Ma, Jingxuan ^{[1
]}

Wang, Xin ^{[2
]}

Soh, Ai Kah ^{[2
]}

Yang, Jialing ^{[1
]}

机构：

[1] Beihang Univ, Sch Aeronaut Sci & Engn, Beijing 100191, Peoples R China

[2] Monash Univ Malaysia, Sch Engn, Bandar Sunway 46150, Malaysia

来源：

CANADIAN JOURNAL OF PHYSICS | 2016年 / 94卷 / 10期

基金：

中国国家自然科学基金;

关键词：

movable heat source; laser pulse; thermoelastic response; semi-infinite rod; non-Fourier effect; THERMAL-STRESSES; DYNAMIC-RESPONSE; CONDUCTION; SPACE;

D O I：

10.1139/cjp-2016-0057

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the present study, thermoelastic behavior of a semi-infinite rod, which is subjected to a time exponentially decaying laser pulse, is formulated. The rod is free at the left end and the laser pulse moves along the axial direction from the left end. The non-Fourier effect of the heat conduction equation is considered and the Laplace transformation method is employed in solving the governing equations. The temperature, displacement, strain, and stress in the rod are derived and the distributions of the parameters at different positions are analyzed. Also the influence of the laser speed is investigated.

引用

页码：953 / 959

页数：7

共 12 条

[1] Nonlocal thermoelastic semi-infinite medium with variable thermal conductivity due to a laser short-pulse
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