The structure simulation of ball-hinge support method must be processed around three basic characteristics, including distinct contact, pre-tension and friction brought from relative glide trend.

• 球铰支撑方式的有限元分析必须围绕其支撑方式所具有的严格而又明显的接触特性、顶丝预紧力作用、具有相对滑动趋势而产生的摩擦这三大基本特征展开。