ANSYS课设结课报告

长江大学工程技术学院

机械CAD/CAE软件实践报告

（2016-2017学年 第一学期）

学 院 专业班级 学生姓名 学号/序号 指导教师 完成时间

机械工程学院 机械61303班

*** ******** / **

**/讲师 2016年**月**日

目 录

一、梯度桁架的静力分析............................................................................................................... 2 1.1问题及描述 ................................................................................................................................ 2 1.2静力分析图 ................................................................................................................................ 2 1.3命令流如下: .............................................................................................................................. 2 二、梁的静力分析 .......................................................................................................................... 5 2.1变形图........................................................................................................................................ 6 2.2剪力图........................................................................................................................................ 7 2.3剪力弯矩图 ................................................................................................................................ 8 2.4命令流如下： ............................................................................................................................ 8 三、三维实体结构的分析............................................................................................................... 9 3.1分析工字钢的受力情况 .......................................................................................................... 10 3.2工字钢的压力图 ...................................................................................................................... 10 3.3工字钢的云图 .......................................................................................................................... 10 3.4命令流如下： .......................................................................................................................... 11 四、扳手的受力分析 .................................................................................................................... 14 4.1分析六棱扳手的受力情况 ...................................................................................................... 14 4.2变形图...................................................................................................................................... 14 4.3应力图...................................................................................................................................... 15 4.4命令流如下： .......................................................................................................................... 15 五、实体梁的设计 ........................................................................................................................ 17 5.1梁的尺寸和载荷 ...................................................................................................................... 17 5.2 分析步骤 ................................................................................................................................. 17 5.2.1改变工作名 .................................................................................................................. 17 5.2.2创建单元类型 .............................................................................................................. 18 5.2.3定义实常数 .................................................................................................................. 18 5.2.4定义材料特性 .............................................................................................................. 18 5.2.5 创建体 ......................................................................................................................... 19 5.2.6 删除体、保留面 ......................................................................................................... 19 5.2.7显示面 .......................................................................................................................... 19 5.2.8 旋转工作平面 ............................................................................................................. 19 5.2.9创建圆柱体 .................................................................................................................. 20 5.2.10交迭所有面，以保证壳单元实体和实体单元实体有公共边界 ............................ 21 5.2.11 选择壳单元实体 ....................................................................................................... 21 5.2.12划分单元 .................................................................................................................... 21 5.2.13为施加约束，选择面和节点 .................................................................................... 22 5.2.14 施加约束 ................................................................................................................... 22 5.2.15选择所有 .................................................................................................................... 22 5.2.16 施加载荷 ................................................................................................................... 23 5.2.17求解 ............................................................................................................................ 23 5.2.18改变视点 .................................................................................................................... 23 5.2.19查看结果，应力 ........................................................................................................ 23 5.3 命令流..................................................................................................................................... 24 六 心得体会 .................................................................................................................................. 26

一、梯度桁架的静力分析

1.1问题及描述

如图所示，水平放置的底端杆长为6m，其他水平放置的杆长为3 m，竖直放置的杆长为3m，截面积为0.35m2的桁架结构，底部左端节点固定，底部右端节点在Y方向固定，在顶端节点施加一个 X方向的5000N的力，试以静力来进行分析。

E?36?106pa 泊松比0.3

1.2静力分析图

1.3命令流如下:

/CLEAR,START

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/COM,ANSYS RELEASE 10.0 UP20050718

20:06:24 09/20/2016

/input,start100,ans,'C:\\Program Files\\Ansys

Inc\\v100\\ANSYS\\apdl\\',,,,,,,,,,,,,,,,1 N,6,9,6,0,,,, N,6,3,6,0,,,, N,7,0,6,0,,,, N,8,6,6,0,,,, /REPLOT,RESIZE !* /NOPR /PMETH,OFF,0 KEYW,PR_SET,1 KEYW,PR_STRUC,1 KEYW,PR_THERM,0 KEYW,PR_FLUID,0 KEYW,PR_ELMAG,0 KEYW,MAGNOD,0 KEYW,MAGEDG,0 KEYW,MAGHFE,0 KEYW,MAGELC,0 KEYW,PR_MULTI,0 KEYW,PR_CFD,0 /GO !* /COM,

/COM,Preferences for GUI filtering have been set to display: /COM, Structural !* /PREP7 !* ET,1,LINK1 !* R,1,0.35, , !* !*

MPTEMP,,,,,,,, MPTEMP,1,0

MPDATA,EX,1,,36e6 MPDATA,PRXY,1,,0.3 N,1,0,0,0,,,, N,2,6,0,0,,,, N,3,3,3,0,,,, N,4,0,3,0,,,, N,4,6,3,0,,,, N,4,0,3,0,,,, N,5,6,3,0,,,,

N,9,3,9,0,,,, N,10,0,9,0,,,, N,11,6,9,0,,,, N,12,3,12,0,,,, N,13,0,12,0,,,, N,13,6,12,0,,,, N,13,0,12,0,,,, N,14,6,12,0,,,, N,15,3,15,0,,,, FLST,2,2,1 FITEM,2,1 FITEM,2,2 E,P51X FLST,2,2,1 FITEM,2,3 FITEM,2,1 E,P51X FLST,2,2,1 FITEM,2,3 FITEM,2,2 E,P51X FLST,2,2,1 FITEM,2,3 FITEM,2,5 E,P51X FLST,2,2,1 FITEM,2,2 FITEM,2,5 E,P51X FLST,2,2,1 FITEM,2,4 FITEM,2,1 E,P51X FLST,2,2,1 FITEM,2,4 FITEM,2,3 E,P51X FLST,2,2,1 FITEM,2,7 FITEM,2,6

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E,P51X FLST,2,2,1 FITEM,2,6 FITEM,2,8 E,P51X FLST,2,2,1 FITEM,2,8 FITEM,2,5 E,P51X FLST,2,2,1 FITEM,2,6 FITEM,2,4 E,P51X FLST,2,2,1 FITEM,2,6 FITEM,2,5 E,P51X FLST,2,2,1 FITEM,2,7 FITEM,2,4 E,P51X FLST,2,2,1 FITEM,2,10 FITEM,2,7 E,P51X FLST,2,2,1 FITEM,2,9 FITEM,2,7 E,P51X FLST,2,2,1 FITEM,2,9 FITEM,2,8 E,P51X FLST,2,2,1 FITEM,2,10 FITEM,2,9 E,P51X FLST,2,2,1 FITEM,2,9 FITEM,2,11 E,P51X FLST,2,2,1 FITEM,2,11 FITEM,2,8

E,P51X FLST,2,2,1 FITEM,2,13 FITEM,2,10 E,P51X FLST,2,2,1 FITEM,2,12 FITEM,2,10 E,P51X FLST,2,2,1 FITEM,2,12 FITEM,2,11 E,P51X FLST,2,2,1 FITEM,2,14 FITEM,2,11 E,P51X FLST,2,2,1 FITEM,2,13 FITEM,2,12 E,P51X FLST,2,2,1 FITEM,2,12 FITEM,2,14 E,P51X FLST,2,2,1 FITEM,2,15 FITEM,2,13 E,P51X FLST,2,2,1 FITEM,2,15 FITEM,2,14 E,P51X /PNUM,KP,0 /PNUM,LINE,0 /PNUM,AREA,0 /PNUM,VOLU,0 /PNUM,NODE,1 /PNUM,TABN,0 /PNUM,SVAL,0 /NUMBER,0 !* /PNUM,ELEM,1 /REPLOT

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