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實體建模初學新蟲 (初入文壇)
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[求助]
如何位移加載
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我做的模型用力加載的話 荷載位移曲線后面段不正確 想改用位移加載 我就用王新敏那本書上p485 那個簡支梁的例子試試看 現(xiàn)在有個問題是 力加載的時候是加在一個面上 原來的命令流是Asel,s,loc,z,0,50 Asel,r,loc,y,300 sfa,all,1,pres,q0 那我位移加載的時候是不是就該成 Asel,s,loc,z,0,50 Asel,r,loc,y,300 da,all,uy,-6 求節(jié)點反力的時候 支座上的節(jié)點就211 213 216 三個點 不知道我下面這樣命令流哪里錯了 我得到的荷載位移曲線還是錯了 節(jié)點反力求出來的荷載比實際小了一倍 可是我明明乘過2了 /POST26 NSOL,2,205,U,Y Prod,3,2,,,,,, -1 RFORCE,4,211,F,Y RFORCE,5,213,F,Y ADD,6,4,5 RFORCE,7,216,F,Y ADD,8,6,7 Prod,9,8,,,,,, 2/1000 PRVAR,3,9 Xvar,3 !定義變量3為x軸 Plvar,9 下面是整條命令流 finish /clear /config,nres,2000 /prep7 et,1,solid65,,,,,,,1 et,2,link8 mp,ex,1,13585 mp,prxy,1,0.2 fc=14.3 ft=1.43 tb,concr,1 tbdata,,0.5,0.95,ft,-1 !關(guān)閉壓碎 tb,miso,1,,11 tbpt,,0.0002,fc*0.19 tbpt,,0.0004,fc*0.36 tbpt,,0.0006,fc*0.51 tbpt,,0.0008,fc*0.64 tbpt,,0.0010,fc*0.75 tbpt,,0.0012,fc*0.84 tbpt,,0.0014,fc*0.91 tbpt,,0.0016,fc*0.96 tbpt,,0.0018,fc*0.99 tbpt,,0.002,fc tbpt,,0.0033,fc*0.85 mp,ex,2,2.0e5 mp,prxy,2,0.3 tb,biso,2 tbdata,,300,0 pi=acos(-1) r,1,0.25*pi*22*22 r,2,0.25*pi*22*22/2 r,3,0.25*pi*10*10 r,4,0.25*pi*10*10/2 r,5 ! 創(chuàng)建幾何模型 blc4,,,150/2,300,2000/2 *do,i,1,9 wpoff,,,100 vsbw,all *enddo !切出箍筋位置 wpcsys,-1 wpoff,,,50 vsbw,all !切出擬加載面 wpcsys,-1 wprota,,-90 wpoff,,,30 vsbw,all !切出拉區(qū)鋼筋豎向位置 wpoff,,,240 vsbw,all !切出壓區(qū)鋼筋豎向位置 wpcsys,-1 wpoff,30 wprota,,,90 vsbw,all !切出鋼筋水平位置 wpcscy,-1 !劃分鋼筋網(wǎng)格 elemsiz=50 lsel,s,loc,x,30 lsel,r,loc,y,30 cm,zj,line latt,2,1,2 lesize,all,elemsiz ! 拉區(qū)外側(cè)鋼筋 lsel,s,loc,x,75 lsel,r,loc,y,30 cm,zjb,line latt,2,2,2 lesize,all,elemsiz !拉區(qū)中間鋼筋 lsel,s,loc,x,30 lsel,r,loc,y,270 cm,jlj,line latt,2,3,2 lesize,all,elemsiz !壓區(qū)鋼筋 lsel,s,tan1,z lsel,r,loc,y,30,270 lsel,r,loc,x,30,70 lsel,u,loc,z,50 lsel,u,loc,z,0 cm,gj,line latt,2,3,2 lesize,all,elemsiz !對稱位置外的箍筋 lsel,s,loc,z,0 lsel,r,loc,y,30,270 lsel,r,loc,x,30,70 cm,gjb,line latt,2,4,2 lesize,all,elemsiz !對稱位置處的箍筋 lsel,all cmsel,s,zj cmsel,a,zjb cmsel,a,jlj cmsel,a,gj cmsel,a,gjb cm,gj,line lmesh,all lsel,all /eshape,1 eplot !劃分混凝土網(wǎng)格 vatt,1,5,1 mshkey,1 esize,elemsiz vmesh,all allsel,all lsel,s,loc,y,0 lsel,r,loc,z,900 dl,all,,uy asel,s,loc,z,0 da,all,symm asel,s,loc,x,75 da,all,symm Asel,s,loc,z,0,50 Asel,r,loc,y,300 da,all,uy,-6 Allsel,all /solu antype,0 !靜態(tài)分析 nsubst,100 !子步數(shù) outres,all,all !輸出所有求解選項 autos,on !使用自動時間步 neqit,50 !設置每個荷載子步的迭代次數(shù)為50 solve [ Last edited by 實體建模初學 on 2012-12-24 at 22:46 ] |
金蟲 (正式寫手)
金蟲 (正式寫手)
新蟲 (初入文壇)
金蟲 (正式寫手)
新蟲 (著名寫手)

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