The grain refinement begins from the center ellipsoidal zone, and then gradually expands to the vertical edge zone and conical contact zone.

细化首先开始于易变形区，再相继扩展到纵向棱边区和接触锥形区。

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For the specific problems of tracing the interface between plastic and elastic zone, a weighted parameter mesh refinement criterion is presented.

针对跟踪塑性区交界面这一具体问题，采用了加权参数网格加密准则；

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For the specific problems of tracing the interface between plastic and elastic zone, a weighted parameter mesh refinement criterion is presented.

针对跟踪塑性区交界面这一具体问题，采用了加权参数网格加密准则；

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