The tangencypoint of Bottom Hole Assembly is located at where the drill string just touches the wall of the borehole, and the contact force is zero here.
在计算底部钻具组合的受力和变形时,以前一般都是按弯矩为零的条件来确定其上切点的位置。
2
Aiming at the problem of tangencypoint reorganization of digital curve, this paper proposes a digital curve tangencypoint detection technology based on rotate-angle accumulation.
针对数字曲线的切点识别问题,提出一种基于转角累加的数字曲线切点检测技术。
3
While housing mortgage loan has asset scale and good quality, which suits to be the point of tangency into asset securitization of our country.