vertical rigid plane 垂直刚性面边界
horizontal rigid plane 水平刚性面边界
plane rigid frame 平面刚架
plane motion of rigid body 刚体平面运动
plane rigid bodies 平面物系
rigid-body in plane motion 平面运动刚体
An iterative process has to be carried out in the boundary element analysis of the contact between elastic roller and rigid plane.
用边界元法分析弹性滚柱与刚性平面的接触问题，需要采用迭代算法。
"Hypothes of rigid plane", as round shaft distorts, is expounded and proved by use of the elastic theory, thus providing the hypothesis with a theoretical basis and deepened concepts.
本文应用弹性理论，对圆轴扭转时“刚性平面假设”进行了论证，为“刚性平面假设”提供理论依据和深化概念。
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