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化工学报  2014 

激光辐照材料烧蚀特性的数值仿真

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Keywords: 高功率激光,烧蚀,热力效应,计算机模拟,传热,热传导,固体力学

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Abstract:

高功率激光辐照材料所造成的毁伤主要包括热破坏、力学破坏以及辐射破坏三个方面,直接表征烧蚀特性的参数是激光对材料造成的热力效应。根据机载激光武器系统ABL的性能指标与毁伤模式,构建ABL仿真系统设计框架与算法流程,建立相应的数学物理模型,采用离散化方法求解热传导方程,得到表征激光毁伤能力的关键参数。模拟了不同工况下材料的毁伤发生概率,并分析影响毁伤概率的因素。

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