Comparative study of surface and body absorptions for axisymmetric modeling of long pulsed laser heating material: theoretical model and mathematical solutions of temperature

被引:3
作者
Chen, Guibo [1 ]
机构
[1] Changchun Univ Sci & Technol, Sch Sci, Changchun 130022, Peoples R China
来源
OPTIK | 2017年 / 137卷
关键词
Laser heating; Surface absorption; Body absorption; Theoretical model; Mathematical solutions; DAMAGE;
D O I
10.1016/j.ijleo.2017.02.090
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this article, we presented the comparative study of surface and body absorptions for axisymmetric modeling of long pulsed laser heating material. First, theoretical models of surface absorption is established based on the representation of heat source term through the surface boundary of material, and mathematical solutions of its homogeneous equation are obtained using separation of variables and Laplace transform method. Next, theoretical models of body absorption is established based on the representation of heat source term in the heat conduction equation, and mathematical solutions of its non-homogeneous equation are obtained using integral transform method. The presented methods are validated through modeling results of the surface absorption and body absorption model, respectively. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码:51 / 58
页数:8
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