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御風(fēng)者新蟲 (初入文壇)
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[求助]
新版ANSYS中ceintf 運(yùn)行問題討論,大家進(jìn)來看看,謝謝 已有5人參與
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最近換了ANSYS12.0,在運(yùn)行王新敏老師例題中一例時,出現(xiàn)程序暴死,不知是何原因。希望高手給予解答,不勝感激! 在耦合混凝土和鋼筋的時候,王新敏老師推薦的是約束方程耦合法,但是我今天在運(yùn)行的時候,程序死了。我想肯定是ANSYS12.0及以上版本對ceintf 這個函數(shù)進(jìn)行了修改,下面先貼命令流: !EX8.30 預(yù)應(yīng)力簡支梁彈性分析 !約束方程法,初應(yīng)變施加預(yù)應(yīng)力 !------------------------------- finish /clear /prep7 !0.定義變量 emst=1.95e5 as=139 tf=180e3 denss=7921e-12 emcon=3.45e4 densc=2300e-12 r0=9000 b=150 h=200 d0=40 dd=200-2*d0 spanl=3000 !經(jīng)計(jì)算推導(dǎo)可求得兩切線交點(diǎn)距離梁底的距離 d1=(39-3*sqrt(29))/35*dd-d0 !1.定義單元與材料性質(zhì)-------------------- et,1,solid95 et,2,link8 mp,ex,1,emcon mp,prxy,1,0.2 mp,dens,1,densc mp,ex,2,emst mp,prxy,2,0.3 mp,dens,2,denss r,1 r,2,as,tf/(emst*as)*1.0271 !2.分別創(chuàng)建體和力筋線 blc4,,,b,h,spanl lsel,none k,9,b/2,h-d0 k,10,b/2,-d1,spanl/2 k,11,b/2,h-d0,spanl l,9,10 l,10,11 lfillt,13,14,r0 lcomb,all wpoff,,,spanl/2 lsbw,all cm,sline,line lsel,all vsbw,all wpcsys,-1 !3.分別劃分單元網(wǎng)格 cmsel,s,sline latt,2,2,2 lesize,all,40 lmesh,all esize,40 vatt,1,1,1 lsel,s,length,,h lesize,all,,,10 lsel,all mshape,0 mshkey,1 vmesh,all !4.定義約束方程 cmsel,s,sline nsll,s,1 ceintf,,ux,uy,uz allsel,all !5.定義約束 lsel,s,loc,z,0 lsel,a,loc,z,spanl lsel,r,loc,y,0 dl,all,,uy dk,kp(0,0,0),ux,,,,uz dk,kp(0,0,spanl),ux allsel,all finish !6.施加荷載并求解 /solu acel,,9800 solve finish ANSYS中對ceintf 的描述是,CEINTF CEINTF, TOLER, DOF1, DOF2, DOF3, DOF4, DOF5, DOF6, MoveTol Generates constraint equations at an interface. PREP7: Constraint Equations TOLER Tolerance about selected elements, based on a fraction of the element dimension (defaults to 0.25 (25%)). Nodes outside the element by more than the tolerance are not accepted as being on the interface. DOF1, DOF2, DOF3, . . . , DOF6 Degrees of freedom for which constraint equations are written. Defaults to all applicable DOFs. DOF1 accepts ALL as a valid label, in which case the rest are ignored (all DOFs are applied). MoveTol The allowed "motion" of a node (see Note below). This distance is in terms of the element coordinates (-1.0 to 1.0). A typical value is 0.05. Defaults to 0 (do not move). MoveTol must be less than or equal to TOLER. 小弟只是不明白這個函數(shù)中的Tolerance該如何理解,希望高手解答。 |
ANSYS命令流 |
鐵桿木蟲 (著名寫手)
新蟲 (初入文壇)
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