By utilizing modal synthesis technique and theory of elastic mechanics, the formation mechanism and simulation method of vehicle body dynamic stress caused by road unevenness are studied.
运用模态综合技术和弹性力学理论，研究了由路面不平度引起的车身动应力的形成机理及其仿真计算方法。
By static and dynamic experiments, the twist distribution and spinning mechanism are studied of Sirofil yarn, and the agreements are also discussed between experiment and theory.
本文通过静态及动态模拟实验，研究了赛络菲尔纺各组分的捻度分布规律及成纱机理，并从理论上进行了探讨。
The theory is concerned with the vertical movement of deep-seated mantle material thus significant to the deep dynamic mechanism of the earth.
地幔柱理论涉及地幔深部物质垂直运动的机制，对了解地球深部动力学机制有重大意义。
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