1、1,橡皮囊成形回弹补偿教程,ESI-ATE公司,2,Copyright ESI Group, 2006. All rights reserved.,橡皮囊成形回弹补偿教程,回弹补偿 ICAPP回弹补偿结果输出 回弹补偿结果验证,3,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(1/12),建立一个回弹补偿的工程文件springback,4,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(2/12),导入橡皮囊成形模拟最后的结果文件(XXX.rst)(例如forming2222.
2、1.rst),5,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(3/12),进行回弹补偿,必须在导入结果文件的时候把残余应力分布方向改为相反的方向(非常重要),6,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(4/12),导入计算结果文件得到如下模型,7,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(5/12),建立blank的一个springback的stage,去掉原来的其他不要的stage,8,Copyrigh
3、t ESI Group, 2006. All rights reserved.,回弹补偿(6/12),经过上面的设置,得到如下结果,9,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(7/12),将blank激活到springback中,10,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(8/12),把blank添加springback属性(非常重要,主要是要采用隐式求解器),11,Copyright ESI Group, 2006. All rights reserved.,
4、回弹补偿(9/12),约束blank刚体位移(第一个点x,y,z; 第二个点x,y ;第三个点z)最好是约束回弹量最小的位置(这个设置是需要模拟经验的,尝试得到的,非常重要,直接影响到回弹补偿结果准确性),12,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(10/12),约束三个点后的结果显示,13,Copyright ESI Group, 2006. All rights reserved.,回弹补偿(11/12),回弹补偿结果显示,14,Copyright ESI Group, 2006. All rights reserved.
5、,回弹补偿(12/12),回弹补偿结果显示,15,Copyright ESI Group, 2006. All rights reserved.,橡皮囊成形回弹补偿教程,回弹补偿 ICAPP回弹补偿结果输出 回弹补偿结果验证,16,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(1/11),输出回弹补偿前的网格模型(例如original.nas)(对应后处理显示中的State 1:Inc=0),17,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输
6、出(2/11),输出回弹补偿后的网格模型(例如compensation.nas) )(对应后处理显示中的State end:Inc=XXX),18,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(3/11),打开ICAPP软件,19,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(4/11),导入初始的模具几何CAD文件,20,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果
7、输出(5/11),打开回弹补偿结果输出模块,21,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(6/11),回弹补偿结果输出模块界面,22,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(7/11),输入回弹补偿前的网格模型(如original.nas),23,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(8/11),输入回弹补偿后的网格模型(例如compensat
8、ion.nas),24,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(9/11),点击calculate就可以进行计算,25,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(10/11),回弹补偿结果显示,26,Copyright ESI Group, 2006. All rights reserved.,ICAPP回弹补偿结果输出(11/11),回弹补偿结果CAD输出(igs vda step catia acis格式都可以),27,Copyright ESI Group, 2006. All rights reserved.,橡皮囊成形回弹补偿教程,回弹补偿 ICAPP回弹补偿结果输出 回弹补偿结果验证,28,Copyright ESI Group, 2006. All rights reserved.,回弹补偿结果验证,黄颜色部分是回弹补偿后的模型,绿色是原始模型,29,Copyright ESI Group, 2006. All rights reserved.,回弹补偿结果验证,用回弹补偿后的模型替换原始模型计算验证回弹补偿结果是否有效,
