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各位大神你們好 我上傳一個cae文件希望大家給看看怎么回事
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我主要是要達到上面的壓頭對下面的織物經(jīng)行壓縮，接觸的問題 我估計是我的邊界條件設置有問題，下面怎么固定才不會過約束 急求幫助 都一個月了 還修改不好 繼續(xù)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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