ansys在铁路和地铁中的运用

/TITLE,Mechanicalanalysisoncutandcovertunnellining!确定分析标题/NOPR!菜单过滤设置/PMETH,OFF,0KEYW,PR_SET,1KEYW,PR_STRUC,1!保留结构分析部分菜单/COM,/COM,PreferencesforGUIfilteringhavebeensettodisplay:/COM,Structural/PREP7!进入前处理器ET,1,BEAM3!设置梁单元类型ET,2,COMBIN14!设置弹簧单元类型R,1,0.5,0.0104167,0.5,,,,!设置梁单元几何常数R,2,50e6,,,!设置弹簧单元几何常数MPTEMP,,,,,,,,!设置材料模型MPTEMP,1,0MPDATA,EX,1,,30e9!输入弹性模量MPDATA,PRXY,1,,0.2!输入泊松比MPTEMP,,,,,,,,!设置材料模型MPTEMP,1,0MPDATA,DENS,1,,2500!输入密度SAVE!保存数据库K,1,,,,!创建关键点K,2,4.7,,,K,3,4.7,5,,K,4,0,5,,LSTR,1,2!创建直线LSTR,2,3LSTR,3,4LSTR,4,1SAVE!保存数据，生成的直线如图4-7所示。LESIZE,ALL,0.5,,,,1,,,1,!设置单元大小，本次划分成0.5m长TYPE,1!设置将要创建单元的类型MAT,1!设置将要创建单元的材料REAL,1!设置将要创建单元的几何常数FLST,2,4,4,ORDE,2FITEM,2,1FITEM,2,-4LMESH,P51X!将所有直线划分单元/PNUM,KP,0!以下为显示单元编号和颜色/PNUM,ELEM,1/REPLOT!重新显示SAVEFLST,4,9,1,ORDE,2!选择要复制的节点数量和起始点FITEM,4,23FITEM,4,-31NGEN,2,100,P51X,,,,1,,1,!复制生成新的节点，Y坐标增加1，节点号增加100FLST,4,9,1,ORDE,2FITEM,4,3FITEM,4,-11NGEN,2,100,P51X,,,,-1,,1,FLST,4,9,1,ORDE,2FITEM,4,13FITEM,4,-21NGEN,2,100,P51X,,,1,,,1,FLST,4,9,1,ORDE,2FITEM,4,32FITEM,4,-40NGEN,2,100,P51X,,,-1,,,1,FLST,4,1,1,ORDE,1FITEM,4,12NGEN,2,140,P51X,,,0.71,0.71,,1,FLST,4,1,1,ORDE,1FITEM,4,2NGEN,2,152,P51X,,,0.71,-0.71,,1,FLST,4,1,1,ORDE,1FITEM,4,22NGEN,2,154,P51X,,,-0.71,0.71,,1,FLST,4,1,1,ORDE,1FITEM,4,1NGEN,2,176,P51X,,,-0.71,-0.71,,1,SAVETYPE,2!设置将要创建单元的类型MAT,1!设置将要创建单元的材料REAL,2!设置将要创建单元的几何常数FLST,2,2,1!选择要创建单元的两个节点FITEM,2,12FITEM,2,152E,P51X!创建弹簧单元FLST,2,2,1FITEM,2,23FITEM,2,123E,P51X……!依次继续直到所有的弹簧单元创建完成FLST,2,2,1FITEM,2,2FITEM,2,154E,P51XFinish!返回MainMenu主菜单/SOL!进入求解器FLST,2,40,1,ORDE,10!选择要施加约束的节点FITEM,2,103FITEM,2,-111FITEM,2,113FITEM,2,-121FITEM,2,123FITEM,2,-140FITEM,2,152FITEM,2,154FITEM,2,176FITEM,2,-177D,P51X,,,,,,UX,UY,,,,!在“Ux”和“Uy”两个方向的施加约束ACEL,0,10,0,!在Y方向施加重力加速度F,1,FY,41125!在节点上施加Y方向集中力F,2,FY,41125!在底边上施加力F,3,FY,82250F,4,FY,82250F,5,FY,82250F,6,FY,82250F,7,FY,82250F,8,FY,82250F,9,FY,82250F,10,FY,82250F,11,FY,82250F,12,FY,-32700!在顶边上施加力F,22,FY,-32700F,23,FY,-65400F,24,FY,-65400F,25,FY,-65400F,26,FY,-65400F,27,FY,-65400F,28,FY,-65400F,29,FY,-65400F,30,FY,-65400F,31,FY,-65400F,2,FX,-32700!在右边上施加力F,13,FX,-62400!在X方向施加力F,14,FX,-59400F,15,FX,-56400F,16,FX,-53400F,17,FX,-50400F,18,FX,-47400F,19,FX,-44400F,20,FX,-41400F,21,FX,-38400F,12,FX,-17700F,22,FX,17700!在左边上施加力F,32,FX,38400F,33,FX,41400F,34,FX,44400F,35,FX,47400F,36,FX,50400F,37,FX,53400F,38,FX,56400F,39,FX,59400F,40,FX,62400F,41,FX,32700NROPT,FULL,,!采用全牛顿－拉普森法进行求解Allsel!选择所有内容Outres,all,all!输出所有内容Solve!求解计算Finish!求解结束返回MainMenu主菜单SAVE/POST1!进入后处理器PLDISP,1!绘制变形和未变形图ETABLE,,SMISC,6!6、12表示弯矩ETABLE,,SMISC,12ETABLE,,SMISC,1!1、7表示轴力ETABLE,,SMISC,7ETABLE,,SMISC,2!2、8表示剪力ETABLE,,SMISC,8查看内力，PLLS,SMIS6,SMIS12,-1,0!绘制弯矩图ESEL,U,TYPE,,2!仅显示单元类型2PLLS,SMIS1,SMIS7,1,0!绘制轴力图PLLS,SMIS2,SMIS8,1,0!绘制剪力图Finish!结束后处理器操作/sol!进入求解器FLST,2,36,2!选择单元FITEM,2,50FITEM,2,49FITEM,2,48FITEM,2,47FITEM,2,46FITEM,2,45FITEM,2,44FITEM,2,43FITEM,2,42FITEM,2,80FITEM,2,79FITEM,2,78FITEM,2,77FITEM,2,76FITEM,2,75FITEM,2,74FITEM,2,73FITEM,2,72FITEM,2,70FITEM,2,69FITEM,2,68FITEM,2,67FITEM,2,66FITEM,2,65FITEM,2,64FITEM,2,63FITEM,2,62FITEM,2,60FITEM,2,59FITEM,2,58FITEM,2,57FITEM,2,56FITEM,2,55FITEM,2,54FITEM,2,53FITEM,2,52EKILL,P51X!杀死所选择的单元SAVEAllsel!选择所有内容Solve!求解计算Finish!求解结束返回MainMenu主菜单SAVE第1章大型有限元软件ANSYS简介61．查看最后计算结果/POST1ETABLE,REFL!更新单元表数据PRETAB,SMIS6,SMIS12,SMIS1,SMIS7,SMIS2,SMIS8!打印单元表数据PRNSOL,DOF,!打印节点位移44..22二次衬砌结构力学分析/TITLE，Mechanicalanalysisonrailwaytunnel2ndlining!确定分析标题/NOPR!菜单过滤设置/PMETH，OFF，0KEYW，PR_SET，1KEYW，PR_STRUC，1!保留结构分析部分菜单/COM，/COM，PreferencesforGUIfilteringhavebeensettodisplay:/COM，Structural!/PREP7!进入前处理器ET，1，BEAM3!设置梁单元类型ET，2，COMBIN14!设置弹簧单元类型R，1，0.4，0.0053333，0.4，，，，!设置梁单元几何常数R，2，400e6，，，!设置弹簧单元几何常数MPTEMP，，，，，，，，!设置材料模型MPTEMP，1，0MPDATA，EX，1，，30.0e9!输入弹性模量MPDATA，PRXY，1，，0.2!输入泊松比MPTEMP，，，，，，，，!设置材料模型MPTEMP，1，0MPDATA，DENS，1，，2500!输入密度SAVE!保存数据库1．建立几何模型K,1,,,,!创建关键点（隧道二次衬砌）K,2,4.71,-1.82,,第1章大型有限元软件ANSYS简介7K,3,-4.71,-1.82,,K,4,0,-3.75,,K,5,0,5.05,,K,20,5.6,-2.162,,!创建关键点（地层弹簧）K,30,-5.6,-2.16,,K,40,0,-4.75,,K,50,0,6,,!创建隧道衬砌线LARC,2,5,1,5.05,!创建圆弧线（拱顶部）LARC,5,3,1,5.05,LARC,2,3,4!创建圆弧线（仰拱部）!创建地层弹簧线LARC,20,50,1,6,!创建圆弧线（拱顶部）LARC,50,30,1,6,LARC,20,30,40!创建圆弧线（仰拱部）SAVE!保存数据2．单元网格划分设置单元大小并将所有直线划分单元，其单元图如图5-8所示。LESIZE,ALL,,,10,,1,,,1,!设置单元大小,每条弧线划分成10个单元TYPE,1!设置将要创建单元的类型MAT,1!设置将要创建单元的材料REAL,1!设置将要创建单元的几何常数LMESH,1,6,1!将所有直线划分单元/PNUM,KP,0!以下为显示单元编号和颜色/PNUM,ELEM,1/REPLOT!重新显示SAVETYPE,2!设置将要创建单元的类型MAT,1!设置将要创建单元的材料REAL,2!设置将要创建单元的几何常数E,1,31!通过两个节点创建弹簧单元E,2,32E,3,33E,4,34E,5,35E,6,36E,7,37E,8,38E,9,39E,10,40E,11,41E,12,42E,13,43第1章大型有限元软件ANSYS简介8E,14,44E,15,45E,16,46E,17,47E,18,48E,19,49E,20,50E,21,51E,22,52E,23,53E,24,54E,25,55E,26,56E,27,57E,28,58E,29,59E,30,60Lclear,4,6,1!清除用于创建地层弹簧单元的外层梁单元LDELE,4,6,1,1!删除外层直线Finish!返回MainMenu主菜单4.2.2加载与求解/SOL!进入求解器d,31,ux,0,0,60,1,uy,!在“Ux”和“Uy”两个方向的施加约束ACEL,0,10,0,!在Y方向施加重力加速度F,2,Fx,0!在节点上施加X方向集中力F,13,Fx,43554.43356F,14,Fx,86574.64508F,15,Fx,128464.6048F,16,Fx,168285.8813F,17,Fx,204799.5937F,18,Fx,236448.4444F,19,Fx,261396.9365F,20,Fx,277795.0781F,21,Fx,283894.0611F,12,Fx,247397.3915F,30,Fx,190308.0663F,29,Fx,149683.