ansys隧道荷载结构法命令流

1、/prep7*set,shuxiang,276170 !竖向荷载*set,zuoce,125500 !水平荷载*set,youce,-125500*set,jizhongli,-100000 !地震集中力*set,uxishu,136.966e6*0.5 !水平弹性抗力系数*set,vxishu,87.4348e6*0.5 !竖向弹性抗力系数!定义单元类型、实常数及材料性质et,1,beam3r,1,0.3,0.00225,0.3 mp,ex,1,3.1e10 !弹性模量mp,dens,1,2500 !密度mp,prxy,1,0.167 !泊松比!创建几何模型 画点k,1,0,2.55k,2,

2、-2.04,1.53k,3,-2.6,-0.15k,4,-2.319721,-2.023237k,5,-1.648852,-2.71152k,6,0,-2.98k,7,1.648852,-2.71152k,8,2.319721,-2.023237k,9,2.6,-0.15k,10,2.04,1.53k,1000,0,0 !中心点!画隧道轮廓线larc,1,2,1000,2.55 larc,2,3,1000,2.8larc,3,4,1000,6.4larc,4,5,1000,1.04969larc,5,6,1000,5.2larc,6,7,1000,5.2larc,7,8,1000,1.0496

3、9larc,8,9,1000,6.4larc,9,10,1000,2.8larc,10,1,1000,2.55!选择左边的所有线allsel !选择所有的实体lsel,s,loc,x,0,-5 !选择左边的所有线:x从0到5lcomb,all !合并所选的线lesize,all,30 !把上面合并的线等分30段 !选择右边的所有线allsellsel,s,loc,x,0,5lcomb,alllesize,all,30allsel !全选!划分单元lmesh,allnplot !显示节点!加弹簧!y方向*do,i,23,40PSPRNG,i,TRAN,vxishu,-0.3, , !tran-直

4、线的*enddoPSPRNG,2,TRAN,vxishu,-0.3, , !固定结构用的!x方向*do,i,15,26PSPRNG,i,TRAN,uxishu,-0.3, , *enddo*do,i,37,48PSPRNG,i,TRAN,uxishu,0.3, , *enddoallselfinish!进入求解层，施加荷载，定义荷载步等/solu!施加约束nsel,s,2 !选择约束的节点nsel,s,loc,x,0dnsel,r,loc,y,-2.98d,all,ux !施加水平方向的约束allselfcum,add, !一定要，使荷载能叠加!竖向荷载*do,i,3,15a=-shuxian

5、g*0.5*abs(nx(i)-nx(i+1)f,i+1,fy,af,i,fy,a*enddo*do,i,47,59a=-shuxiang*0.5*abs(nx(i)-nx(i+1)f,i+1,fy,af,i,fy,a*enddo!对未循环的节点施加竖向荷载a=-shuxiang*0.5*abs(nx(1)-nx(3)f,3,fy,af,1,fy,2*af,60,fy,a!水平荷载*do,i,3,30a=zuoce*0.5*abs(ny(i)-ny(i+1)f,i+1,fx,af,i,fx,a*enddo*do,i,32,59a=youce*0.5*abs(ny(i)-ny(i+1)f,i+1,fx,af,i,fx,a*enddof,1,fx,jizhongli !加集中力!对未循环的节点施加水平荷载a=youce*0.5*abs(ny(31)-ny(2)f,31,fx,-af,32,fx,a!施加重力acel,9.8 solve !求解finish!进入后处理，定义荷载工况并组合，输出图片和文本文件/post1!显示弯矩图etable,mi,smisc,6 etable,mj,