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maradonan2铁虫 (小有名气)
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[求助]
ansys 简单接触分析
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ansys，板压圆球，对板施加了位移，想求解接触力与位移的关系曲线。编写了命令流，但是不成功，希望大神帮助查错，谢谢了！ finish$/clear$*afun,deg$/prep7 ! 设定单元类型和材料(空心球节点：外径0.2，壁厚0.008) a=(2.17/7850)**(1/3) !冲击方块边长 et,1,solid95 et,2,shell181 et,3,170 et,4,173 r,1,0.004,0.004,0.004,0.004 MP,EX,1,2.1e11 MP,PRXY,1,0.3 MP,DENS,1,7850 TB,KINH,1,1,5,plastic TBPT,,0,0,267e6 TBPT,,0.0172106,370.339e6 TBPT,,0.040183,397.034e6 TBPT,,0.0999585,420.932e6 TBPT,,0.2,449.153e6 ! 结构 sphere,,0.1,,90 vsbw,all vdele,2,,,1 vdele,all asel,s,loc,x,0$asel,a,loc,y,0$asel,a,loc,z,0 adele,all,,,1 alls type,2 lesize,all,,,20 !lsel,s,loc,x,0$lsel,a,loc,y,0 !lesize,all,,,8,0.1,1 mshape,0,2d$mshkey,1 amesh,all arsym,x,all$arsym,y,all !镜像出1/2球面 !arsym,z,all$nummrg,all !镜像出完整球面并merge !nsel,s,loc,z,0.1 !nrefine,all,,,2 cm,ball,elem ! 刚性接触 wpoffs,,,0.105 blc5,0,0,a,a,0 type,2 real,2 esize,a/10 amesh,all esel,s,elem,,ball esel,inve nsle,all !nrefine,all,,,2 emodif,all,type,3 alls ! 柔性接触 esel,s,elem,,ball type,4 real,2 esurf,,bottom alls ! 定义边界条件 nsel,s,loc,z,0 d,all,all nsel,s,elem,,ball nsel,inve d,all,ux,0 d,all,uy,0 d,all,uz,-0.005 alls finish /SOLU !进入求解器 autots,on nlgeom,on nsubst,1000 outres,all,all SOLVE finish |
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