传统的射线追踪算法,即初值问题的试射法 (Shooting method)和边值问题的弯曲法(Bending method),往往会收敛到一个局部最小旅行时路径, 难以找到全局最小解,也不能处理射线盲区以及临 界折射波和绕射波对应的最小旅行时路径...
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punch-bending method 冲压成弯法 ; 冲压弯法
ray bending method [地物] 射线弯曲法
Rotating bar bending method 旋转弯曲方法
The grain size at a bending part is ensured by using the cold bending method.
采用冷弯方法,可以保证弯曲部位的晶粒度。
Welded pipe that bended by hot bending method with a set of specific die and welded by plasma arc welding method was used as tubular blank of SPF.
采用焊管作为管坯 ,焊管弯曲采用专用模具热弯 ,焊接采用等离子弧焊。超塑成形采用多层模结构 ,用模具来控制波形。
Since the traditional tube bending method can't meet the timing demand of aviation technology, a tube digital manufacturing method was put forward.
针对传统经验弯管无法满足航天技术日益提高的需求问题,研究导管数字化制造技术。
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