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1、(1) 转贴一个例题，来自中国有限元联盟论坛-运行没有问题/title, fixed - fixed concrete beam example/prep7et,1,65mp,ex,1,3e7 ! steel rebar (units are pounds, inches) MP,PRXY, 1,0.3mp,ex,2,1e6, ! concrete MP,PRXY, 2,0.3mp,dens,2,.00025tb,concr,2tbdata,1,.3,.5,200,4000 ! shear coeffs, tensile and compress strength r,1,1,.03,0,0
2、! mat 1 (steel), 3 percent reinforcement in x dir r,2,1,.01,0,0 ! mat 1 (steel), 1 percentr,3,1,.04,0,0 ! mat 1 (steel), 4 percent block,100,5,5block,100,5,10,5 block,100,10,15,5!vovlap,allNUMMRG,KP, , , ,LOW numcmp,volu esize,5mat,2 ! concrete materialreal,1 ! rebar vmesh,1real,2vmesh,2real,3 vmesh
3、,3 nsel,s,loc,x d,all,all nsel,s,loc,x,100 d,all,allnsel,allfini/solunsel,s,loc,y,15 sf,all,pres,100 nsel,allOUTRES,ALL,ALL, nsub,10 solve fini/post1 /DEVICE,VECTOR,1 set,last plcrackfini(2) ! ANSYS SOLID65 环向布置钢筋的例子运行没有问题! 一个管道，环向配筋率为 1%，纵向配筋率为 0.5%，径向配筋率为 0.1%! 作者: 陆新征 清华大学土木系!FINISH/CLEAR/PREP7!*
4、! 单元属性ET,1,SOLID65!*KEYOPT,1,1,0 !表示考虑大变形KEYOPT,1,5,0 !表示只打印质心的线性解KEYOPT,1,6,0 !表示只打印质心的线性解KEYOPT,1,7,1 !表示开裂后考虑应力松弛，有助于计算收敛!*!实参数 1：不同方向配筋R,1,2,.001, , ,2, .01,RMORE, 90, ,2,.005 ,90 ,90 ,!材料属性!混凝土基本材料属性MPTEMP,MPTEMP,1,0MPDATA,EX,1,30E2MPDATA,PRXY,1,.2!屈服准则TB,MISO,1,1,5, !多线性等向强化，材料号为1，数据的温度数为 1，对某
5、一给定温度数据 的点数为 5。TBTEMP,0!为材料表定义温度值。TBPT,0.0005,15TBPT,0.001,21TBPT,0.0015,24TBPT,0.002,27TBPT,0.003,24!破坏准则TB,CONC,1,1,9,!材料号为 1，数据的温度数为1，对某一给定温度数据的点数为 9 。!为材料表定义温度值。TBTEMP,0TBDATA,1,MPTEMP,MPTEMP,1,0 !钢材基本属性MPDATA,EX,2,200E3MPDATA,PRXY,2,.27!屈服准则TB,BISO,2,1,2,!双线性等向强化，材料号为 2，数据的温度数为1，对某一给定温度数据的点数为 2
6、。TBTEMP,0!为材料表定义温度值为0 度。TBDATA,310,2E3, !给当前数据表定义数据。! 管道内径和外径CYL4,0,0,3000, , , ,10000!生成内径为 2000，外径为 3000，长度为 10000 的管道CYL4,0,0,2000, , , ,10000VSBV, 1, 2!体相减，在体1 中减去体2! 定义局部柱坐标CSWPLA,11,1,1,1,!通过当前定义的工作平面的原点为中心建立局部坐标系，第一个 1表示为柱坐标。后!两个 1 表示比率，一般不用KWPAVE, 11!移动工作平面到关键点 11WPRO,-90.000000, !旋转工作平面VSBW
7、, 3 !由工作平面剖分体 3WPCSYS,-l,0!通过当前坐标系的R-0来定义工作平面，T表示图形窗口编号，0为坐标系的编号。KWPAVE, 1!移动工作平面到关键点 1WPRO,-90.000000 ! 旋转工作平面 VSBW,ALL! 工作平面剖分体ESIZE,500,0,! 设置单元尺寸大小! 注意：设定单元局部坐标VATT, 1, 1, 1, 11!给体分配属性，材料号为1,实常数为1, TYPE号为1,坐标系号为 11。!*VSWEEP,ALL! 划分网格，体扫掠划分/DEVICE,VECTOR,1! 绘制等值线/ESHAPE,1.0/REPLO! 注意：红色代表最大配筋方向，绿
8、色代表其次，蓝色表示最小配筋方向(3) /clearbeam189单元的定性命令，能运行的通/filname,beam189test,1/PREP7ET,1,BEAM189!定义单元类型及其KEYOPT选项KEYOPT,1,7,2KEYOPT,1,8,3KEYOPT,1,9,3SECTYPE, 1, BEAM, RECT, , 0SECOFFSET, CENTSECDATA,300,500,0,0,0,0,0,0,0,0SECTYPE, 2, BEAM, RECT, , 0 SECOFFSET, CENTSECDATA,500,500,0,0,0,0,0,0,0,0MPTEMP,MPTEMP,
9、1,0MPDATA,EX,1,2.06e5MPDATA,PRXY,1,0.3MPTEMP,MPTEMP,1,0MPDATA,DENS,1,7.85e-9K,1,0,0,0,K,2,6000,0,0,K,3,6000,4000,0,K,4,0,4000,0,K,5,0,0,-5000,K,6,6000,0,-5000,K,7,6000,4000,-5000,K,8,0,4000,-5000,LSTR,1,2LSTR,2,3LSTR,3,4LSTR,4,1LSTR,1,5LSTR,2,6LSTR,3,7LSTR,4,8LSEL,S,1,2,1,LATT,1,1,6,1LSEL,S,3,4,1,LA
10、TT,1,1,8,1LSEL,S,5,LATT,1,1,8,2LSEL,S,6,LATT,1,1,7,2LSEL,S,7,LATT,1,1,6,2LSEL,S,8,LATT,1,1,5,2ALLSEL,ALL!定义第一种截面!定义第二种截面!定义第一种材料弹性模量，泊松比，密度!定义关键点 KEYPOINT!通过KEYPOINT定义线LINE，梁!通过KEYPOINT定义线LINE，柱!给LINE赋属性材料，截面，单元类型!指定划分单元长度!划分单元LESIZE,ALL,1000, , , , , , ,1LMESH,ALL/soluD,ALL, , , , ,ALL, , , ,NSEL,S
11、,LOC,Z,-5000ACEL,0,0,9810,ESEL,S,SEC,1SFBEAM,ALL,1,PRES,-500,-500, , , ,!按位置选择需要施加约束的节点!柱底施加固定约束!施加重力荷载!选择全部梁!对全部梁施加压力 PRESSUREALLSEL,ALLSOLVE!求解/post1!绘制位移结果PLNSOL,U,Z,0,1!绘制应力结果/ESHAPE,1(4) finish带有三个圆孔的平面支座的分析，可以运行的通/clear,start/filname,ex2_2/title,2d plane stress bracket/prep7blc4,0,0,80,100cyl4
12、,80,50,50cyl4,0,20,20cyl4,0,80,20blc4,-20,20,20,60aadd,allcyl4,80,50,30cyl4,0,20,10cyl4,0,80,10asba,6,1asba,4,3asba,1,2et,1,plane82keyopt,1,3,3r,1,20mp,ex,1,200000mp,prxy,1,0.3aesize,all,7amesh,allfinish/soluantype,0dl,7,all,0dl,8,all,0dl,9,all,0dl,10,all,0dl,11,all,0dl,12,all,0dl,13,all,0dl,14,all,
13、0fk,9,fy,-1000solvefinish/post1plnsol,s,eqvancntr,10,0.15finish(5) /titl e,buckling of a bar 杆件的屈曲分析，可以运行的通/prep7et,1,plane42,3r,1,0.01mp,ex,1,2.1e11mp,prxy,1,0.3n,1n,21,1fillngen,2,21,1,21,0.01e, 22,23,2,1egen,20,1,1finish/solud,1,all,22,21f, 21,fy,-0.5,42,21pstrss,onsolvefinish/soluantype,bucklebucopt,subsp,1mxpand,1solvefinishFinish在接头固定处定义预紧，能运行的通/clear/prep7/title,Sample application of PSMESH!标题， PSMESH 运用示例et,1,92 mp,ex,1,1e7 MP,PRXY, 1,0.3 mp,alpx,1,1.3e-5 mp,ex,2,3e7 MP,PRXY, 2,0.3 mp,alpx,2,8.4e-6 tref,70 /foc,-.09,.34,.42 /dist,.99 /ang,-55.
