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ANSYS有限元静力分型 已有1人参与
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一个简单模型，在求解时提示某一个节点约束不足（ There is at least 1 small equation solver pivot term (e.g., at the UZ degree of freedom of node 1001). Please check for an insufficiently constrained model.），不知道原因何在，求老师帮忙看看命令流，非常谢谢！ 命令流 /prep7 /units,si !单位：kPa kN m s et,1,solid65 mp,dens,1,2.6 !c35砼重度t/m3-挡墙、环梁 mp,ex,1,3.15e7 !C35砼弹模kN/m3,kpa mp,prxy,1,0.167 !C35砼泊松比 mp,alpx,3,1.0e-5 !C35线膨胀系数 mp,dens,2,2.6 !c30砼重度t/m3-基础、承台 mp,ex,2,3.0e7 !C30砼弹模kN/m3,kpa mp,prxy,2,0.2 !C30砼泊松比 mp,alpx,3,1.0e-5 !C30线膨胀系数 mp,dens,3,1.9 !土体重度t/m3 mp,ex,3,2.0e3 !土体弹模kN/m3,kpa mp,prxy,3,0.35 !土体泊松比 mp,mu,3,0.2 !土体摩擦系数 cylind,59.3,62.75,17.4,18.4 cylind,60,61.0,0,17.4 cylind,56.75,64.95,-1.6,0 cylind,0,150,-48.6,-1.6 vsel,s,loc,z,-1.6,18.4 wprota,,,90 vsbw,all wprota,,90 vsbw,all wpcsys,-1 allsel lplot lsel,s,loc,z,18.4 FLST,5,8,4,ORDE,2 FITEM,5,9 FITEM,5,-16 LSEL,S, , ,P51X lesize,all,,,48 allsel lsel,s,loc,z,18.4 FLST,5,4,4,ORDE,4 FITEM,5,76 FITEM,5,78 FITEM,5,96 FITEM,5,98 LSEL,S, , ,P51X lesize,all,,,2 allsel lsel,s,loc,z,17.4,18.4 lsel,s,length,,1 lesize,all,,,1 allsel vsel,s,loc,z,17.4,18.4 vatt,1,,1 mshape,0,3d mshkey,1 vmesh,all allsel lplot lsel,s,loc,z,17.4 FLST,5,8,4,ORDE,2 FITEM,5,29 FITEM,5,-36 LSEL,S, , ,P51X lesize,all,,,96 allsel lsel,s,length,,17.4 lesize,all,,,18 allsel vplot vsel,s,loc,z,0,17.4 vatt,1,,1 mshape,0,3d mshkey,1 vmesh,all allsel lplot lsel,s,loc,z,0 FLST,5,8,4,ORDE,2 FITEM,5,49 FITEM,5,-56 LSEL,S, , ,P51X lesize,all,,,48 allsel lsel,s,loc,z,0 lsel,s,length,,8.2 lesize,all,,,5 allsel lsel,s,loc,z,-1.6,0 lsel,s,length,,1.6 lesize,all,,,1 allsel vplot vsel,s,loc,z,-1.6,0 vatt,2,,1 mshape,0,3d mshkey,1 vmesh,all allsel numcmp,all vplot VSEL,S, , ,4 cylind,0,64.95,-48.6,-1.6 vsbv,4,14 cylind,0,64.95,-48.6,-1.6 cylind,0,56.75,-48.6,-1.6 vsbv,4,14 cylind,0,56.75,-48.6,-1.6 wpoffs,,,-1.6 wprota,45 blc5,0,0,50,50,-47 vsbv,4,14 wpcsys,-1 wprota,,90 vsbw,all wprota,,,90 vsbw,all wpcsys,-1 wpoffs,,,-1.6 wprota,45 blc5,0,0,50,50,-47 wpcsys,-1 allsel lplot lsel,s,loc,z,-48.6 FLST,5,16,4,ORDE,8 FITEM,5,61 FITEM,5,-64 FITEM,5,117 FITEM,5,-120 FITEM,5,137 FITEM,5,-140 FITEM,5,193 FITEM,5,-196 LSEL,S, , ,P51X lesize,all,,,48 allsel lsel,s,loc,z,-48.6 FLST,5,8,4,ORDE,8 FITEM,5,159 FITEM,5,161 FITEM,5,163 FITEM,5,165 FITEM,5,172 FITEM,5,176 FITEM,5,186 FITEM,5,190 LSEL,S, , ,P51X lesize,all,,,5 allsel lsel,s,loc,z,-48.6 FLST,5,4,4,ORDE,4 FITEM,5,167 FITEM,5,169 FITEM,5,180 FITEM,5,183 LSEL,S, , ,P51X lesize,all,,,2 allsel lsel,s,length,,47 lesize,all,,,5 allsel vplot vsel,s,loc,z,-48.6,-1.6 vatt,3,,1 mshape,0,3d mshkey,1 vmesh,all allsel numcmp,all nummrg,all vplot finish /solu antype,0 csys,1 asel,s,loc,x,150 nsla,s,all nplot d,all,all allsel csys,0 aplot asel,s,loc,z,-48.6 nplot nsla,s,all d,all,uz allsel vplot acel,,,9.8 solve finish |
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