1、ANSYS 结构稳态(静力)分析之经典实例-命令流格式/FILNAME,Allen-wrench,1 ! Jobname to use for all subsequent files/TITLE,Static analysis of an Allen wrench/UNITS,SI ! Reminder that the SI system of units is used/SHOW ! Specify graphics driver for interactive run; for batch! run plots are written to pm02.grph! Define para
2、meters for future useEXX=2.07E11 ! Youngs modulus (2.07E11 Pa = 30E6 psi)W_HEX=.01 ! Width of hex across flats (.01m=.39in)*AFUN,DEG ! Units for angular parametric functions定义弧度单位W_FLAT=W_HEX*TAN(30) ! Width of flatL_SHANK=.075 ! Length of shank (short end) (.075m=3.0in)L_HANDLE=.2 ! Length of handl
3、e (long end) (.2m=7.9 in)BENDRAD=.01 ! Bend radius of Allen wrench (.01m=.39 in)L_ELEM=.0075 ! Element length (.0075 m = .30 in)NO_D_HEX=2 ! Number of divisions on hex flatTOL=25E-6 ! Tolerance for selecting nodes (25e-6 m = .001 in)/PREP7ET,1,SOLID45 ! 3维实体结构单元；Eight-node brick elementET,2,PLANE42
4、! 2维平面结构；Four-node quadrilateral (for area mesh)MP,EX,1,EXX ! Youngs modulus for material 1；杨氏模量MP,PRXY,1,0.3 ! Poissons ratio for material 1；泊松比 RPOLY,6,W_FLAT ! Hexagonal area创建规则的多边形K,7 ! Keypoint at (0,0,0)K,8,-L_SHANK ! Keypoint at shank-handle intersectionK,9,L_HANDLE,-L_SHANK ! Keypoint at en
5、d of handleL,4,1 ! Line through middle of hex shapeL,7,8 ! Line along middle of shankL,8,9 ! Line along handleLFILLT,8,9,BENDRAD ! Line along bend radius between shank and handle! 产生一个倒角圆，并生成三个点 /VIEW,1,1,1 ! Isometric view in window 1/ANGLE,90,XM ! Rotates model 90 degrees about X! 不用累积的旋转 /TRIAD,l
6、top /PNUM,LINE,1 ! Line numbers turned onLPLOT! Line numbers off! /PNUM,KP,1KPLOTL,1,4 ! Hex section is cut into two quadrilateralsASBL,1,7,KEEP ! to satisfy mapped meshing requirements for bricks! 减线从面中CM,BOTAREA,AREA ! Component name BOTAREA for the two areas! Generate area mesh for later drag/PNU
7、M,KP,0LPLOTLESIZE,1,NO_D_HEX ! Number of divisions along line 1 为线指定网格尺寸LESIZE,2,NO_D_HEXLESIZE,6,NO_D_HEXTYPE,2 ! PLANE42 elements to be meshed firstMSHAPE,0,2D ! Mapped quad mesh 指定单元要划分的形状和维数MSHKEY,1 ! 指定了映射网格划分SAVE ! Save database before meshingAMESH,ALL/TITLE,Meshed hex wrench end to be used in
8、 vdragEPLOT! Now drag the 2-D mesh to produce 3-D elementsTYPE,1 ! Type pointer set to SOLID45ESIZE,L_ELEM ! Element size VDRAG,2,3,8,10,9 ! Drag operation to create 3-D mesh面掠生成体/TYPE,HIDP ! Precise hidden line display 显示要求是精确/TITLE,Meshed hex wrenchEPLOTCMSEL,BOTAREA ! Select BOTAREA component and
9、! 选择一个子集ACLEAR,ALL ! delete the 2-D elements! 清楚选择单元的几点和单元ASEL,ALLFINISH ! Apply loads and obtain the solution/SOLUANTYPE,STATIC ! Static analysis (default)/TITLE,Allen wrench - Load step 1! First fix all nodes around bottom of shankCMSEL,BOTAREA ! Bottom areas of shank 选择以前建立的一个单元面积的组合LSEL,EXT ! Ex
10、terior lines of those areas 显示线NSLL,1 ! Nodes on those linesD,ALL,ALL ! Displacement constraintsLSEL,ALL/PBC,U,2 ! Displacement symbols turned on 显示位移约束的符号/TITLE,Boundary conditions on end of wrenchNPLOT!Now apply pressure on handle to represent 100-N (22.5-lb) finger forceASEL,LOC,Y,BENDRAD,L_HANDL
11、E ! Areas on handleASEL,R,LOC,X,W_FLAT/2,W_FLAT ! Two areas on one side of handle.NSLA,1 ! .and all corresponding nodesNSEL,R,LOC,Y,L_HANDLE+TOL,L_HANDLE-(3.0*L_ELEM)-TOL ! Reselects nodes at 位置! back end of handle (3 element lengths)*GET,MINYVAL,NODE,MNLOC,Y ! Get minimum Y value of selected nodes预
12、处理中的结点项；问题是得到一个什么样的值，结点的什么？*GET,MAXYVAL,NODE,MXLOC,Y ! Get maximum Y value of selected nodes是中心位置的值吗？PTORQ=100/(W_HEX*(MAXYVAL-MINYVAL) ! Pressure equivalent to 100 NSF,ALL,PRES,PTORQ ! PTORQ pressure on all selected nodes 指定节点上的表面力的载荷ALLSEL ! Restores full set of all entities/PSF,PRES,2 ! Pressure
13、symbols turned on 以箭头显示载荷/TITLE,Boundary conditions on wrench for load step 1NPLOTLSWRITE ! Writes first load step/TITLE, Allen wrench - load step 2! Downward pressure on top of handle, representing 20-N (4.5 -lb) forcePDOWN=20/(W_FLAT*(MAXYVAL-MINYVAL)ASEL,LOC,Z,-(L_SHANK+(W_HEX/2) ! Area on top fl
14、at of handle.NSLA,1 ! .and all corresponding nodesNSEL,R,LOC,Y,L_HANDLE+TOL,L_HANDLE-(3.0*L_ELEM)-TOL ! Reselects nodes at ! back end of handle (3 element lengths)SF,ALL,PRES,PDOWN ! PDOWN pressure at all selected nodesALLSEL/TITLE,Boundary conditions on wrench for load step 2NPLOTLSWRITE ! Writes s
15、econd load stepSAVE ! Save database before solutionLSSOLVE,1,2 ! Initiates solution for load step files 1 and 2!Review the resultsFINISH/POST1SET,1 ! Reads load step 1 resultsPRRSOL ! Reaction solution listing/PBC,DEFA ! No BC symbols 重新安排规格说明/PSF,DEFA ! No surface load symbols 重新安排载荷的显示/EDGE,1 ! Ed
16、ges only, no interior element outlines 只显示边缘单元的显示/TITLE,Deformed allen wrench caused by torquePLDISP,2 ! Deformed shape overlaid with undeformed edge plot 显示结构转移/GSAVE,pldisp,gsav ! Saves graphics specifications on pldisp.gsav 保存为此图形文件，稍后再用/PLOPTS,INFO,ON ! Turns on entire legend column 打开边框形式；开启全部的
17、图形圆柱/PLOPTS,LEG1,OFF ! Turns off legend header 关闭图形轮廓线的标题（头部）/ANGLE,120,YM,1 ! Additional rotation about model Y (to see high stress areas) /TITLE,Stress intensity contours caused by torquePLNSOL,S,INT ! Stress intensity（应力强度） contours 组元应力/GSAVE,plnsol,gsav ! Saves graphics specifications to plnsol
18、.gsavSET,2 ! Reads load step 2 resultsPRRSOL ! Reaction solution listing/GRESUME,pldisp,gsav ! 恢复 pldisp文件；Resumes graphics specifications from pldisp.gsav/TITLE,Deformed allen wrench caused by torque and forcePLDISP,2/GRESUME,plnsol,gsav ! Resumes graphics specifications from plnsol.gsav/TITLE,Stre
19、ss intensity contours caused by torque and forcePLNSOL,S,INTWPOF,-0.067 ! 把工作平面在 Z方向偏移，达到后面要的截面的位置 Offset the working plane for cross-section view从 Z轴方向偏移工作平面/TYPE,1,5 ! Capped hidden display 显示剖面/CPLANE,1 ! 以共工作平面来剪切截面 Cutting plane defined to use the WP 把平面切开/VIEW, 1 ,WP ! View will be normal to t
20、he WP正切于当前的工作平面/DIST,1,.01 ! Zoom in on the cross section 指定详细的扩大倍数进行查看/TITLE,Cross section of the allen wrench under torque and force loadingPLNSOL,S,INT! *GUI操作后的一些 log文件命令流的解释说明 */BATCH /COM,ANSYS RELEASE 11.0SP1 UP20070830 15:05:16 02/20/2009/TITLE,Static Analysis of an Allen Wrench *AFUN,DEG *S
21、ET,EXX, 2.07E11*SET,W_HEX, .01 *SET,W_FLAT, W_HEX*TAN(30) *SET,L_SHANK, .075 *SET,L_HANDLE, .2 *SET,L_ELEM, .0075 *SET,NO_D_HEX, 2 *SET,TOL, 25E-6 *SET,BENDRAD, .01/PREP7 ET,1,SOLID45ET,2,PLANE42MPTEMP, MPTEMP,1,0 MPDATA,EX,1,EXX ! 与温度相对应的材料属性MPDATA,PRXY,1,0.3 RPOLY,6,W_FLAT, ! 创建规则的多边形K,7, K,8,-L_S
22、HANK, K,9,L_HANDLE,-L_SHANK, !* /VIEW, 1 ,1,1,1 /ANG, 1 /REP,FAST !* /ANGLE,1,90,XS,0 ! 不用累积的旋转 LSTR, 4, 1 ! 两点定义一条直线 LSTR, 7, 8 LSTR, 8, 9 LFILLT,8,9,BENDRAD, , ! 产生一个倒角圆，并生成三个点 SAVEAPLOT FLST,2,1,5,ORDE,1 FITEM,2,1 LPLOT FLST,3,1,4,ORDE,1 FITEM,3,7 ASBL,P51X,P51X, , ,KEEP ! 减线从面中CM,BOTAREA,AREA !
23、创建一个面的组合FLST,5,3,4,ORDE,3 FITEM,5,1 FITEM,5,-2 FITEM,5,6 CM,_Y,LINE LSEL, , , ,P51X CM,_Y1,LINE CMSEL,_Y LESIZE,_Y1, , ,NO_D_HEX, , , , ,1 TYPE, 2 MAT, 1REAL, ESYS, 0 SECNUM, TSHAP,LINE !* MOPT,AMESH,DEFA MOPT,QMESH,DEFA MOPT,VMESH,DEFA MOPT,TIMP,1 MOPT,PYRA,ONMOPT,AORD,0 MOPT,SPLIT,1MSHKEY,1MSHMID,
24、0MSHPATTERN,0KEYW,ACCEPT,0 !* MSHAPE,0,2D MSHAPE,0,3D !* SAVEFLST,5,2,5,ORDE,2 FITEM,5,2 FITEM,5,-3 CM,_Y,AREA ASEL, , , ,P51X CM,_Y1,AREA CHKMSH,AREA CMSEL,S,_Y !* AMESH,_Y1 !* CMDELE,_Y CMDELE,_Y1 CMDELE,_Y2 !* EPLOT TYPE, 1 MAT, 1REAL, ESYS, 0 SECNUM, TSHAP,LINE !* ESIZE,L_ELEM,0, ! 指定线的份数LPLOT F
25、LST,2,2,5,ORDE,2 FITEM,2,2 FITEM,2,-3 FLST,8,2,4 FITEM,8,8 FITEM,8,10 VDRAG,P51X, , , , , ,P51X /AUTO,1 /REP,FAST EPLOT SAVECMSEL,S,BOTAREA ! 选择一个子集FLST,2,2,5,ORDE,2 FITEM,2,2 FITEM,2,-3 ACLEAR,P51X ! 清楚选择单元的几点和单元ALLSEL,ALL EPLOT CMSEL,S,BOTAREA LSEL,S,EXT NSLL,S,1FINISH FLST,2,18,1,ORDE,4 FITEM,2,1
26、 FITEM,2,-10 FITEM,2,17 FITEM,2,-24 /soluD,P51X, , , , , ,ALL, , , , , LSEL,ALLASEL,S,LOC,Y,BENDRAD,L_HANDLE ASEL,R,LOC,X,W_FLAT/2,W_FLATNSLA,S,1NSEL,R,LOC,Y,L_HANDLE+TOL,L_HANDLE-(3.0*L_ELEM)-TOL !* *GET,minyval,NODE,MNLOC,Y, , , , *GET,maxyval,NODE,MXLOC,X, , , *SET,PTORQ,100/(W_HEX*(MAXYVAL-MINYV
27、AL)ALLSEL,ALL FLST,2,364,1,ORDE,2 FITEM,2,1 FITEM,2,-364SF,P51X,PRES,PTORQ ALLSEL,ALL NPLOT SAVELSWRITE,1, *SET,PDOWN,20/(W_FLAT*(MAXYVAL-MINYVAL)ASEL,S,LOC,Z,-(L_SHANK+(W_HEX/2) NSLA,S,1NSEL,R,LOC,Y,L_HANDLE+TOL,L_HANDLE-(3.0*L_ELEM)-TOL ALLSEL,ALL FLST,2,364,1,ORDE,2 FITEM,2,1 FITEM,2,-364SF,P51X,
28、PRES,PDOWN ALLSEL,ALL NPLOT LSWRITE,2, SAVELSSOLVE,1,2,1, FINISH /POST1 SET,FIRST PRRSOL, /PBC,ALL, ,0/REP/EDGE,1,1,45/GLINE,1,0 PLDISP,1/GSAVE,pldisp,gsa, !* /ANGLE,1,120,YM,1 /REPLOT /EFACET,1 PLNSOL, S,INT, 0,1.0/GSAVE,plnsol,gsa, SET,NEXTPRRSOL, /GRESUME,pldisp,gsa, PLDISP,1/GRESUME,plnsol,gsa, !* /EFACET,1 PLNSOL, S,INT, 0,1.0wprot,0,0,-0.067/GRAPHICS,POWER !* /TYPE,1,5 /CPLANE,1 /SHADE,1,1 /HBC,1,0/REPLOT !* /VIEW, 1 ,WP/REP,FAST /REPLOT,RESIZE /VIEW,1,1,2,3 /ANG,1 /REP,FAST FINISH ! /EXIT,NOSAV
