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各位大神你们好 我上传一个cae文件希望大家给看看怎么回事
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我主要是要达到上面的压头对下面的织物经行压缩，接触的问题 我估计是我的边界条件设置有问题，下面怎么固定才不会过约束 急求帮助 都一个月了 还修改不好 继续求助 warning ： *friction,lagrange or *friction,rough may cause convergence difficulty when used in conjunction with the *surface behavior, augmented lagrange or penalty option. Use penalty friction instead. OVERCONSTRAINT CHECKS: THERE ARE 416496 BOUNDARY CONDITIONS SPECIFIED IN THIS MODEL. OVERCONSTRAINT CHECKS FOR BOUNDARY CONDITIONS SPECIFIED ON SLAVE NODES OF RIGID BODIES, OF *TIE OPTIONS, OR OF *COUPLING OPTIONS REQUIRE 137 Mb OF MEMORY. IF THIS IS A PROBLEM, PLEASE TURN OFF OVERCONSTRAINT CHECKS USING *CONSTRAINT CONTROLS, NO CHECKS or INCREASE THE MEMORY USED BY THE PRE-PROCESSOR. OVERCONSTRAINT CHECKS: THERE ARE 416496 BOUNDARY CONDITIONS SPECIFIED IN THIS MODEL. OVERCONSTRAINT CHECKS FOR BOUNDARY CONDITIONS SPECIFIED ON SLAVE NODES OF RIGID BODIES, OF *TIE OPTIONS, OR OF *COUPLING OPTIONS REQUIRE 137 Mb OF MEMORY. IF THIS IS A PROBLEM, PLEASE TURN OFF OVERCONSTRAINT CHECKS USING *CONSTRAINT CONTROLS, NO CHECKS or INCREASE THE MEMORY USED BY THE PRE-PROCESSOR. 2 elements are distorted. Either the isoparametric angles are out of the suggested limits or the triangular or tetrahedral quality measure is bad. The elements have been identified in element set WarnElemDistorted. Boundary conditions are specified on inactive dof of 68778 nodes. The nodes have been identified in node set WarnNodeBCInactiveDof. Boundary conditions are specified on inactive dof of 68778 nodes. The nodes have been identified in node set WarnNodeBCInactiveDof. There are 13 unconnected regions in the model. There are 29 unconnected regions in the model. Solver problem. Zero pivot when processing D.O.F. 2 of 12 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_1_1_1. Solver problem. Zero pivot when processing D.O.F. 2 of 13 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_2_1_1. Solver problem. Zero pivot when processing D.O.F. 2 of 13 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_3_1_1. Solver problem. Zero pivot when processing D.O.F. 2 of 11 nodes. The nodes have been identified in node set WarnNodeSolvProbZeroPiv_2_1_4_1_1.  |
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2014-03-25 11:07:34, 6 M
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