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[交流]
ANSYS熱分析加載荷出錯，請問到底是什么原因
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各位，我用ANSYS仿真生死單元，建模加初始溫度載荷穩(wěn)態(tài)分析的時候老出錯，請各位給我看看怎么回事： 錯誤一：Specified degree of freedom constraint TEMP at unused node 7331. 錯誤2： Material property DENS of material 1 of element 5 is evaluated at a temperature of 0, which is below the supplied temperature range. Temperature range checking terminates. 錯誤3：There are no active degrees of freedom. 錯誤4：A reference heat flow value times the tolerance is used by the Newton-Raphson method for checking convergence. The calculated reference HT FLOW CONVERGENCE VALUE= 2.970385058E-14 is less than a threshold. This threshold defaults to 1.0e-6 or is specified as MINREF on the CNVTOL command. Check results carefully. 能解決幾個是幾個，謝謝各位大神�。。。。。�！ 命令流： /prep7 et,1,plane77 et,2,solid70 mptemp,1,25,90,160 mpdata,dens,1,1,8500,8500,8500 mpdata,dens,2,1,1150,1150,1150 mpdata,c,1,1,380,380,380 mpdata,c,2,1,1470,1470,1470 mpdata,kxx,1,1,130,130,130 mpdata,kxx,2,1,0.03,0.03,0.03 rect,0,0.1,0,0.1 asel,s,area,,1 aatt,1 esize,0.004 mshkey,1 mshape,0 amesh,1 extopt,esize,5 extopt,aclear,1 extopt,attr,1,1,1 mat,1 vext,1,,,,,-0.02 rect,0.03,0.07,0.03,0.07 asel,s,area,,7 aatt,2 esize,0.004 mshkey,1 mshape,0 amesh,7 mat,2 vext,7,,,,,0.02 allsel finish /prep7 et,1,plane77 et,2,solid70 mptemp,1,25,90,160 mpdata,dens,1,1,8500,8500,8500 mpdata,dens,2,1,1150,1150,1150 mpdata,c,1,1,380,380,380 mpdata,c,2,1,1470,1470,1470 mpdata,kxx,1,1,130,130,130 mpdata,kxx,2,1,0.03,0.03,0.03 rect,0,0.1,0,0.1 asel,s,area,,1 aatt,1 esize,0.004 mshkey,1 mshape,0 amesh,1 extopt,esize,5 extopt,aclear,1 extopt,attr,1,1,1 mat,1 vext,1,,,,,-0.02 rect,0.03,0.07,0.03,0.07 asel,s,area,,7 aatt,2 esize,0.004 mshkey,1 mshape,0 amesh,7 mat,2 vext,7,,,,,0.02 allsel finish |
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