介绍了自适应反射镜和透镜的原理及其在一般激光切割、厚钢板的激光锯切和三维激光焊接中的应用。
The theory and a new application of adaptive optics are described in conventional laser cutting, thick sheet metal laser sawing and three dimension laser welding.
裂纹尖端塑性区的大小与其三维约束状态有关，而三维约束状态不仅与板厚还与外载荷、材料性质有关。
The plastic zone size of the crack tip is relative to three dimensional constraint which depends upon not only the plate thickness but also the load and the material property.
在炸药爆炸驱动飞板碰撞厚钢板后，利用二维动态有限元数值分析方法对厚钢板自由面的速度进行了数值计算。
The velocity at the free face of a thick steel plate impacted by an explosive plate is calculated by means of the two-dimension dynamic finite element analytical method.
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