ANSYS钢筋混凝土梁实例(流畅收敛).doc

!-!EX8.26 钢筋混凝土简支梁数值分析!分离式模型,关闭压碎,keyopt(1)=0,keyopt(7)=1!力加载,位移收敛准则，误差1.5%,1/4模型分析!-finish/clear/config,nres,2000/prep7!1.定义单元与材料性质-et,1,solid65,1 !K1=0,k7=1et,2,link8mp,ex,1,30000mp,prxy,1,0.2fc=30ft=3tb,concr,1tbdata,0.5,0.95,ft,-1tb,miso,1,10tbpt,0.0002,fc*0.2tbpt,0.0004,fc*0.36 tbpt,0.0006,fc*0.51tbpt,0.0008,fc*0.64tbpt,0.001,fc*0.75tbpt,0.0012,fc*0.84tbpt,0.0014,fc*0.91tbpt,0.0016,fc*0.96tbpt,0.0018,fc*0.99tbpt,0.002,fcmp,ex,2,2.0e5mp,prxy,2,0.3tb,biso,2tbdata,300,0pi=acos(-1)r,1,0.25*pi*22*22r,2,0.25*pi*22*22/2r,3,0.25*pi*10*10r,4,0.25*pi*10*10/2!2.创建几何模型blc4,150/2,300,2000/2*do,i,1,9wpoff,100vsbw,all*enddowpcsys,-1wpoff,50vsbw,allwpcsys,-1wprota,-90wpoff,30vsbw,allwpoff,240vsbw,allwpcsys,-1wpoff,30wprota,90vsbw,allwpcsys,-1!3.划分钢筋网格elemsiz=50lsel,s,loc,x,30lsel,r,loc,y,30cm,zj,linelatt,2,1,2lesize,all,elemsizlsel,s,loc,x,75lsel,r,loc,y,30cm,zjb,linelatt,2,2,2lesize,all,elemsizlsel,s,loc,x,30lsel,r,loc,y,270cm,jlj,linelatt,2,3,2lesize,all,elemsizlsel,s,tan1,zlsel,r,loc,y,30,270lsel,r,loc,x,30,70lsel,u,loc,z,50cm,gj,linelatt,2,3,2lesize,all,elemsizlsel,s,loc,z,0lsel,r,loc,y,30,270lsel,r,loc,x,30,70cm,gjb,linelatt,2,4,2lesize,all,elemsizlsel,allcmsel,s,zjcmsel,a,zjbcmsel,a,jljcmsel,a,gjcmsel,a,gjbcm,gj,linelmesh,alllsel,all!4.划分混凝土网格vatt,1,1mshkey,1esize,elemsizvmesh,allallsel,all!5.施加荷载和约束lsel,s,loc,y,0lsel,r,loc,z,900dl,all,uyasel,s,loc,z,0da,all,symmasel,s,loc,x,75da,all,symm!-p0=180000q0=p0/150/100asel,s,loc,z,0,50asel,r,loc,y,300sfa,all,1,pres,q0allsel,all!6.求解控制设置/soluantype,0nsubst,80outres,all,allautos,onneqit,50cnvtol,u,0.001solve!7.进入POST1查看结果/post1set,lastpldisp,1esel,s,type,2etable,saxl,ls,1plls,saxl,saxlesel,s,type,1/device,vec