Several cases are presented for point contacts including single asperity, wavy surface and real engineering rough surfaces, and also for finite line contact.

计算实例模拟了点接触单峰表面，正弦表面和真实粗糙表面的弹性接触以及有限长滚子线接触等接触问题。

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Shatter cones are surface features with distinctive wavy patterns that are known to be created only by the tremendous force of a meteorite impact or an underground nuclear explosion.

MSN: Massive meteorite crater found in Canadian Arctic