The present method is suitable for any shapeofcrosssection thin-walled members.
本方法适用于任意形式截面的薄壁杆件分析。
2
It showed that the weld crosssection with both laser welding processes transformed from nail shape to near X shape with increase of laser power and decrease of welding speed.
结果表明，随激光功率增大和焊接速度降低，复合焊与单一激光焊焊缝的横截面形貌均由钉形向近X形转变。
3
the use of optical vortex beams with a doughnut-like shape in the cross-section to form an optical vortex pipeline;