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1、问题描述如图所示为一工字钢梁，两端均为固定端，其截面尺寸为，I=1・0加，a=0.16m,/?=0.2m,c=0.02m,cl=0.03m。试建立该工字钢梁的三维实体模型，并在考虑重力的情况下对其进行结构静力分析。其他已知参数如下：Fy图25工字钢结构示意图弹性模量E二206GPa；泊松比八0.3；材料密度P=^0kg/m3；重力加速度g=9.8〃/$2；作用力Fy作用于梁的上表面沿长度方向小线处，为分布力，其大小Fy二-5000、。命令：/CLEAR,START/F1LNAME,gongzigang
2、,1/TITLE,hongqinfengI-SHAPEBEAM/PREP7ET,1,SOLID45MPTEMP,,,,,,,,MPTEMP,1,0MPDATA,EX,1,,2.06ellMPDATA,PRXY,l,,0.3!MPTEMP,,,,,,,,!MPTEMP,1,0MPDATA,DENS,1,,7800K,1,-0.0&0,0,K,2,0.0&0,0,K,3,0.0&0.02,0,K,4,0.015,0.02,0,K,5,0.015,0.1&0,K,6,0.0&0.1&0,K,7,0.0&0.
3、20,0,K,8,~0.0&0.2,0,K,9,-0.0&0.1&0,K,10,-0.015,0.1&0,K,11,-0.015,0.02,0,K,12,-0.0&0.02,0,L,1,2L,2,3L,3,4L,4,5L,5,6L,6,7L,7,8L,&9L,9,10L,10,11L,11,12L,12,1AL,ALLVOFFST,1,1,0/VIEW,1,1,1,1/PLUM,AREA,1/REPLOTESIZE,0.01,0,VSEL,,,,1CM,_Y1,VOLUVSWEEP,_Y1DA,1,A
4、LL,DA,2,ALL,NSEL,S,LOC,Z,0.5NPLOTNSEL,R,LOC,Y,0.2F,ALL,FY,-5000ALLSEL,ALLEPLOTACEL,0,9.8,0,FINISH/SOLSOLVEFINISH/P0ST1PLNSOL,U,SUM,0,1.0hongqinfeng工・SHAPEBEAM网格图形应力云图1NODALSOLUTIOHANSTEP=1JUL5201416:48:06.155E-03.200E・03.444E-O4.888E-04•133E-O3.222E-04.
5、666E-04•111E-03hongqinfengI-SHAPEBEAM位移云图
