lsdyna合并节点，怎么把两个part合并

<img src="https://img.jishulink.com/202203/imgs/110d3626db4c4777a9e9dfece239925a.gif"> <div> 1.先合并节点,设置tolerance --- show dup nodes <p><img src="https://img.jishulink.com/202203/imgs/94b6724e9cd7485388707217a95800f2.png" title="QQ截图20220327022943.png" alt="QQ截图20220327022943.png" style="max-width: 760px; width: 387px; height: 333px;" width="387" height="333"></p> <p>2.选中要合并的part,经行卡片数字定义成一个part编号</p> <div> <img src="https://img.jishulink.com/202203/imgs/117c3ae60efb4af7b8b8d6d5cbbfb806.png" title="02.png" alt="02.png" style="max-width: 760px; width: 371px; height: 306px;" width="371" height="306"> </div> <p>有用请采纳，祝你学习进步</p> </div> <p><br></p>