弹簧触点弹簧接触
Spring contact: Spring contact
以上为机器翻译结果，长、整句建议使用 人工翻译 。
颗粒间接触用广义弹簧单元表示，相邻颗粒接触点的塑性变形用非线性弹簧表示。
Each particle was located by a node at its centre and the plastic indentation of the contacts between neighboring particles was represented by a non-linear spring.
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