4）列表显示单元的弯矩、剪力和轴力：Main Menu>General Postproc>List Results>Element TableData，弹出一个“List Element TableData”对话框，如图3-55所示。在“Item to be listed”栏后面下拉菜单选中“IMONENT、JMOMENT、ISHEAR、JSHEAR、ZHOULI-I、ZHOULI-J”，然后单击“OK”按钮，弹出单元数据表文件，见表3-6。
图3-55 列出单元数据表对话框
表3-6 单元数据表
3.3.3.6退出ANSYS
单击工具条上的“Quit”弹出一个“Exit from ANSYS”对话框，选取“Quit—No Save!”，单击“OK”，则退出ANSYS软件。
3.3.4 命令流实现
（1）创建物理环境
/COM, Structural ! 指定结构分析 /TITLE,Tunnel Support Structural Analysis ! 定义工作标题 /FILNAM,support,1 ! 定义工作文件名
！进入前处理器 /PREP7 ！定义单元
ET,1,BEAM3 ! 定义梁单元
ET,2,COMBIN14 ! 定义弹簧单元 ! 定义材料属性
MP,EX,1,3E10 MP,PRXY,1,0.2 MP,DENS,1,2500 ! 定义实常数
R,1,0.65,0.65*0.65*0.65/12,0.65, R,2,0.85,0.85*0.85*0.85/12,0.85,0,0,0, R,3,300000000, , , （2）建立几何模型
! 创建隧道衬砌支护关键点
K,1,,,, K,2,,3.85,, K,3,.88,5.5,, K,4,2.45,6.15,, K,5,4.02,5.5,, K,6,4.9,3.85,, K,7,4.9,0,,
! 创建隧道衬砌支护线
LARC,1,2,6,8.13, LARC,2,3,6,3.21, LARC,3,4,6,2.22, LARC,4,5,2,2.22, LARC,5,6,2,3.21, LARC,6,7,2,8.13, LARC,7,1,4,6, ！保存几何模型
SAVE,'Support-geom','db','D:\\ansys\\example301\\' （3）划分网格，生成隧道衬砌支护单元
lsel,s,line,,1,6,1 L6
LATT,1,1,1, , , , LSEL,s, , ,7 LATT,1,2,1, , , , lsel,s,line,,1,6,5
LESIZE,all,,,4, lsel,s,line,,2,5,1 LESIZE,all,,,2, lsel,s,line,,7 LESIZE,all,,,8, lsel,all
Lmesh,all （4）添加弹簧单元
/PNUM,NODE,1 ! 有节点坐标生成关键点 ! 由2个端点及曲率中心加半径生成弧线 ！选择线L1、L2、L3、L4、LL5、 ！给所选的线赋予材料特性 ！设置网格划分份数为4 ！线网格划分，生成支护单元 ！打开节点号开关
！生成24根弹簧单元
PSPRNG,1,TRAN,300000000,-0.97029572,-0.241921895, ！添加弹簧单元1 PSPRNG,2,TRAN,300000000,-0.97437006,0.22495105, PSPRNG,3,TRAN,300000000,-0.98628560,-0.1604761, PSPRNG,4,TRAN,300000000,-0.99919612,-0.00872654, PSPRNG,5,TRAN,300000000,-0.98901586,0.14780941, PSPRNG,6,TRAN,300000000,-0.70710678,0.70710678, PSPRNG,7,TRAN,300000000,-0.88294757,0.469471561, PSPRNG,10,TRAN,300000000,0.70710678,0.70710678, PSPRNG,13,TRAN,300000000,0.88294757,0.469471561, PSPRNG,12,TRAN,300000000,0.97437006,0.22495105, PSPRNG,15,TRAN,300000000,0.98901586,0.14780941, PSPRNG,16,TRAN,300000000,0.99996192,-0.00872654, PSPRNG,17,TRAN,300000000,0.98628560,-0.1604768, PSPRNG,14,TRAN,300000000,0.97029572,-0.241921895, PSPRNG,18,TRAN,300000000,0.30901699,-0.95105651, PSPRNG,19,TRAN,300000000,0.20791169,-0.9781476, PSPRNG,20,TRAN,300000000,0.10452846,-0.99452189, PSPRNG,21,TRAN,300000000,0,-1,
PSPRNG,22,TRAN,300000000,-0.10452846,-0.99452189, PSPRNG,23,TRAN,300000000,-0.20791169,-0.9781476, PSPRNG,24,TRAN,300000000,-0.30901699,-0.95105651, （5）保存模型 alls SAVE FINISH
（6）施加约束和荷载 /SOL
！施加约束
NSEL,S,NODE,,25,45,1 ！选择隧道支护线上所有节点 d,all,uy,0 ！对所选择节点约束X方向位移 d,all,ux,0 ！对所选择节点约束Y方向位移 ！施加重力加速度 allsel
ACEL,acely,0,9.8,0, ！施加围岩压力 allsel
NSEL,S,NODE,,1,17,1
F,all,FY,-80225 ！施加节点1到节点17上的垂直匀布力
NSEL,S,NODE,,18,24,1
F,all,FY,80225 ！施加节点18到节点24上的水平匀布力
NSEL,S,NODE,,1,9,1
NSEL,a,NODE,,22,24,1 F,all,FX,16045
NSEL,S,NODE,,10,21,1 F,all,FX,-16045
！给隧道仰拱施加水压
NSEL,S,NODE,,18 F,all,FX,-161803 ！施加节点18的水平方向的水压分力 NSEL,S,NODE,,18
F,all,FY,70381 ！施加节点18的垂直方向的水压分力 NSEL,S,NODE,,19 F,all,FX,-182309 NSEL,S,NODE,,19 F,all,FY,50101 NSEL,S,NODE,,20 F,all,FX,-198904 NSEL,S,NODE,,20 F,all,FY,13093 NSEL,S,NODE,,21 F,all,FX,0
NSEL,S,NODE,,21 F,all,FY,125960 NSEL,S,NODE,,22 F,all,FX,198904 NSEL,S,NODE,,22 F,all,FY,13093 NSEL,S,NODE,,23 F,all,FX,182309 NSEL,S,NODE,,19 F,all,FY,50101 NSEL,S,NODE,,24 F,all,FX,161803 NSEL,S,NODE,,18 F,all,FY,70381
（7）求解分析修改模型 ！进入求解器 allsel
solve ！进入后处理器 /POST1
PLDISP,1 FINISH
！进入前处理器删除受拉弹簧单元 /PREP7
！删除受拉弹簧单元
！绘制结构变形图 ！进行求解