非线性静态实例分析(命令流方式) <BR><BR>你可以用下面显示的ANSYS命令替代GUI选择,进行上面这个例题的塑性分析。 <BR>fini <BR>/cle <BR>/title,circular plate loaded by a circular punch - kinematic hardening <BR>rpl=65 <BR>rpu=5 <BR>h=6.5 <BR>exx=70000 <BR>sts1=55 !yield stress <BR>stn1=sts1/exx <BR>sts2=112 <BR>stn2=0.00575 <BR>sts3=172 <BR>stn3=0.02925 <BR>sts4=241 <BR>stn4=0.1 <BR><BR>nex=15 ! No. of elements along the radius <BR>net=2 ! No. of elements in the plate's thickness <BR><BR>/prep7 <BR>et,1,42,,,1 <BR>! define node for convenient postprocessing <BR>n,1,rpl,0 <BR>n,2,0,0 <BR>n,3,0,h/2 <BR><BR>!define geometry <BR>k,1,,-(h/2) <BR>k,2,rpu,-(h/2) <BR>k,3,rpl,-(h/2) <BR>kgen,2,1,3,1,,h,,3 <BR>nex1=nint(0.8*net) <BR>nex2=nex-nex1 <BR><BR>l,1,2 <BR>l,4,5 <BR>l,2,3 <BR>l,5,6 <BR><BR>a,1,2,5,4 <BR>a,2,3,6,5 <BR><BR>lesize,1,,,nex1 <BR>lesize,2,,,nex1 <BR>lesize,3,,,nex2,2.5 <BR>lesize,4,,,nex2,2.5 <BR>esize,(h/net) <BR>amesh,all <BR>nummrg,node <BR>nodes <BR>nsel,s,loc,x,0,rpu <BR>nsel,r,loc,y,(h/2) <BR>cp,1,uy,all <BR>nsel,all <BR>esel,all <BR>fini <BR><BR>/solu <BR>nsel,s,loc,x,rpl <BR>nsel,r,loc,y,0 <BR>d,all,uy <BR>nsel,s,loc,x,0 <BR>d,all,ux <BR>nsel,all <BR>outres,all,all <BR>fini <BR><BR>/prep7 <BR>mp,ex,1,exx <BR>mp,nuxy,1,0.325 <BR><BR>tb,mkin,1 <BR>tbtemp,,strain <BR>tbdata,,stn1,stn2,stn3,stn4 <BR>tbtemp,, <BR>tbdata,,sts1,sts2,sts3,sts4 <BR>fini <BR><BR>/solu <BR>pred,on <BR>outres,all,all <BR>nsubst,1 <BR>time,1e-6 <BR>f,3,fy,0 <BR>lswrite <BR><BR>autots,on <BR>nsubst,10 <BR>time,1 <BR>f,3,fy,-6000 <BR>lswrite <BR><BR>time,2 <BR>f,3,fy,750 <BR>lswrite <BR><BR>time,3 <BR>f,3,fy,-6000 <BR>lswrite <BR><BR>lssolve,1,4 <BR>fini <BR><BR>/post1 <BR>set,2 <BR>/dscal,1,1 <BR>pldisp,2 <BR>fini <BR><BR>/post26 <BR>nsol,2,2,u,y,uy2 <BR>rforce,3,1,f,y,ry1 <BR>add,2,2,,,uy2,,,-1 <BR>/grid,1 <BR>/axlab,x,deflection [mm] <BR>/axlab,y,force [n] <BR>xval,2 <BR>plvar,3 <BR>prvar,2,3 <BR>fini |