自行车轮ANSYS预应力分析，结果不太对，可否指出问题？ 63

根据 ANSYS 的帮助文件，link180 单元只能使用 ETABLE 命令输出：Member force in the element coordinate system 和 Axial stress。

/PREP7 ET,1,SHELL181 KEYOPT,1,1,0 KEYOPT,1,3,0 KEYOPT,1,8,0 KEYOPT,1,9,0 ET,2,LINK180 KEYOPT,2,2,0 R,1,7.854E-7, ,0 sect,1,shell,, secdata, 2e-3,1,0.0,3 secoffset,MID seccontrol,,,, , , , MP,EX,1,7.1E10 MP,PRXY,1,0.33 MP,DENS,1,2770 MP,EX,2,1.93E11 MP,PRXY,2,0.31 MP,DENS,2,7750 CSYS,1 K,1,50/1000,0,0 K,2,305/1000,0,0 KGEN,2,1,2,1,,,20/1000 KGEN,2,3,4,1,,,-40/1000 KGEN,36,1,6,1,,10,, L,1,2 LGEN,36,1,,,,10 A,1,3,9,7,11,5 AGEN,36,1,,,,10 A,2,4,10,8,12,6 AGEN,36,37,,,,10 asel,s,,,1,36,1 aglue,all asel,s,,,37,72,1 aglue,all ALLSEL,ALL NUMMRG,ALL, , , ,LOW NUMCMP,ALL LSEL,S,,,1,36,1 lesize,all,5e-3 latt,2,1,2 lmesh,all allsel asel,s,,,1,72,1 lesize,all,5e-3 aatt,1,,1,,1 amesh,all /solu antype,0 pstres,0 NLGEOM,1 csys,1 *afun,deg! allsel nsel,s,loc,x,0.05-0.0001,0.05+0.0001 d,all,all allsel,all ESEL,S,TYPE, ,2 inistate,set,csys,-2 inistate,set,dtype,stre inistate,set,mat,2 inistate,define,,,,,100e6 allsel,all solve finish