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運行下列命令流 solve后沒有反應(yīng)
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finish /clear /prep7 /units,si et,1,solid65 !混凝土分析單元 r,2,0 !鋼筋配筋 keyopt,2,3,2 !幫助收斂 keyopt,2,7,1 !不考慮拉力釋放系數(shù) mp,ex,2,3.45e10 mp,nuxy,2,0.2 mp,dens,2,2500 tb,miso,2,1,56 tbtemp,0 tbpt,,0.0005,17.25e6 tbpt,,0.0008,24e6 tbpt,,0.0016,40e6 tbpt,,0.0024,48e6 tbpt,,0.0032,54e6 tbpt,,0.0048,56e6 tbplot,miso,2 tb,conc,2,1,9 tbtemp,0 tbdata,,0.5,1,-1,-1 et,2,solid185 !外鋼管分析單元 mp,ex,1,2.1e11 mp,nuxy,1,0.3 mp,dens,1,7850 tb,biso,1,1,2 tbdata,1, tbtemp,0 tbdata,,235e6,5e8 !屈服強度剪切模量 tbplot,biso,1 et,3,solid45 !內(nèi)鋼管分析單元 mp,ex,3,2.1e11 mp,nuxy,3,0.3 mp,dens,3,7850 tb,biso,3,1,2 tbdata,1, tbtemp,0 tbdata,,235e6,5e8 !屈服強度剪切模量 tbplot,biso,3 !建立物理模型 CYL4, 0, 0, 84, 0, 0, 0, 275 CYL4, 0, 0, 78, 0, 0, 0, 275 CYL4, 0, 0, 57, 0, 0, 0, 275 CYL4, 0, 0, 53, 0, 0, 0, 275 CYL4, 0, 0, 78, 0, 0, 0, 275 CYL4, 0, 0, 57, 0, 0, 0, 275 vsbv,1,2,,delete vsbv,3,4,,delete vsbv,5,6,,delete vglue,all !劃分網(wǎng)格 vsel,s,volu,,1 !選擇外鋼管 vatt,2,2,2 vsel,all vsel,s,volu,,3 !選擇內(nèi)鋼管 vatt,3,3,3 vsel,all vsel,s,volu,,4 !選擇混凝土 vatt,1,1,1 vsel,all lesize,all,,,40 vsweep,all !施加邊界條件 local,11,1,0,0,137.5,0,0,0,0,0 nsel,s,loc,y,0,180 nsel,r,loc,x,84 nsel,r,loc,z,0 !選擇上表面位置 d,all,uy !施加約束 /solu nlgeon,on !設(shè)置非線性 outres,all,all local,12,1,0,-84,0,0,0,0,0,0 csys,1 nsel,s,loc,x,84 nsel,r,loc,y,180,360 csys,12 nsel,r,loc,z,27.5 !選擇下表面右邊位置 time,10 nsubst,50 d,all,uy,0.04 !施加約束 nsel,all csys,1 nsel,s,loc,x,84 nsel,r,loc,y,180,360 csys,12 nsel,r,loc,z,247.5 !選擇線表面左邊位置 time,5 nsubst,50 d,all,uy,0.04 allsel |
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!最后兩段命令重復,time值后面也比前面大,不知道要干啥。約束要保證結(jié)構(gòu)穩(wěn)定,中間對稱處,可以設(shè)置一半模型,或者四分之一模型,更簡單,計算速度更快,對稱面出加對稱邊界條件。我在對稱處加了軸向約束,并對其中一個點約束了橫向,保證沒有剛體位移 finish /clear /prep7 /units,si et,1,solid65 !混凝土分析單元 r,2,0 !鋼筋配筋 keyopt,2,3,2 !幫助收斂 keyopt,2,7,1 !不考慮拉力釋放系數(shù) mp,ex,2,3.45e10 mp,nuxy,2,0.2 mp,dens,2,2500 tb,miso,2,1,56 tbtemp,0 tbpt,,0.0005,17.25e6 tbpt,,0.0008,24e6 tbpt,,0.0016,40e6 tbpt,,0.0024,48e6 tbpt,,0.0032,54e6 tbpt,,0.0048,56e6 tbplot,miso,2 tb,conc,2,1,9 tbtemp,0 tbdata,,0.5,1,-1,-1 et,2,solid185 !外鋼管分析單元 mp,ex,1,2.1e11 mp,nuxy,1,0.3 mp,dens,1,7850 tb,biso,1,1,2 tbdata,1, tbtemp,0 tbdata,,235e6,5e8 !屈服強度剪切模量 tbplot,biso,1 et,3,solid45 !內(nèi)鋼管分析單元 mp,ex,3,2.1e11 mp,nuxy,3,0.3 mp,dens,3,7850 tb,biso,3,1,2 tbdata,1, tbtemp,0 tbdata,,235e6,5e8 !屈服強度剪切模量 tbplot,biso,3 !建立物理模型 CYL4, 0, 0, 84, 0, 0, 0, 275 CYL4, 0, 0, 78, 0, 0, 0, 275 CYL4, 0, 0, 57, 0, 0, 0, 275 CYL4, 0, 0, 53, 0, 0, 0, 275 CYL4, 0, 0, 78, 0, 0, 0, 275 CYL4, 0, 0, 57, 0, 0, 0, 275 vsbv,1,2,,delete vsbv,3,4,,delete vsbv,5,6,,delete vglue,all !劃分網(wǎng)格 vsel,s,volu,,1 !選擇外鋼管 vatt,2,2,2 vsel,all vsel,s,volu,,3 !選擇內(nèi)鋼管 vatt,3,3,3 vsel,all vsel,s,volu,,4 !選擇混凝土 vatt,1,1,1 vsel,all lesize,all,,,40 vsweep,all !施加邊界條件 local,11,1,0,0,137.5,0,0,0,0,0 nsel,s,loc,y,0,180 nsel,r,loc,x,84 nsel,r,loc,z,0 !選擇上表面位置 d,all,uy !施加約束 d,all,uz !施加約束 d,11483,ux !施加約束 /solu nlgeon,on !設(shè)置非線性 outres,all,all local,12,1,0,-84,0,0,0,0,0,0 csys,1 nsel,s,loc,x,84 nsel,r,loc,y,180,360 csys,12 nsel,r,loc,z,27.5 !選擇下表面右邊位置 time,10 nsubst,50 d,all,uy,0.04 !施加約束 allsel solve |
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