模拟子弹侵彻装甲钢过程。子弹和钢板之间定义eroding surface to surface接触，子弹part做主面，钢板part做为从面，计算过程中出现error: number of slave nodes in eroding contact interface #1 exceeding initial number. pleast restart after setting flag to activate the -interior node option-请问该如何修改K文件，消除该错误