The laser speckle interference measuring was integrated into college physics experiments, in which the key obstacle is the production of instrument of pulling-type loading.
将激光散斑干涉测量纳入大学物理实验，其中关键性障碍是拉式加载仪的制作。
Based on the dynamics analysis of the screw rotor, the "by step check" interference detection program is developed and the movement interference under the state of loading is detected.
在螺杆转子动力学分析的基础上，编写了“单步检测”程序，检查了负载状态下的运动干涉情况。
The interference fit between various column casings and shaft is analyzed by using the virtual contact loading method, and concrete calculating method and program are presented.
采用虚拟接触载荷法模拟分析各种柱筒与轴之间的过盈配合接触现象，提出了具体的计算方法与分析程序。
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