结构力学课程设计报告Word文档下载推荐.docx

结构力学课程设计报告Word文档下载推荐.docx

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（4）.求超静定结构内力（横梁：

EI=1.40*104kN.m2，EA=1.90*106kN；

链杆：

EA=2.56*105kN），并讨论横梁和桁架的相对刚度变化对内力分布的影响，你是否有合理匹配的建议？

（5）、求超静定结构指定内力（梁弯矩、杆件轴力）的影响线，并讨论横梁和桁架的相对刚度变化对影响线的影响，你是否有合理匹配的建议？

（横梁：

EI=14N.m2，EA=0.80*106N；

EA=0.36*106N），

f=0.2mm

0.3m

三.课程设计的数据

1.第

（1）题数据

1）平行弦桁架

a）高跨比1:

9（每小格比例2:

3）

操作代码：

TITLE,a

结点,1,0,0结点生成,6,1,1,1,1,4,0

结点生成,1,7,1,7,1,0,6单元,1,2,1,1,0,1,1,0

单元生成,5,1,1,1单元生成,1,1,6,7

单元,1,8,1,1,0,1,1,0单元生成,6,13,13,1

单元,2,8,1,1,0,1,1,0单元生成,2,20,20,1

单元,4,12,1,1,0,1,1,0单元生成,2,23,23,1

结点支承,1,3,0,0,0结点支承,7,1,0,0

结点荷载,8,1,0.5,-90结点荷载,9,1,1,-90

结点荷载,10,1,1,-90结点荷载,14,1,0.5,-90

结点荷载,11,1,1,-90结点荷载,12,1,1,-90

结点荷载,13,1,1,-90文本,-1.5,9,（a）,0,0,9.6

文本,0.5,8,0.5,0,0,9.6文本,4.5,8,1,0,0,9.6

文本,8.5,8,1,0,0,9.6文本,12.5,8,1,0,0,9.6

文本,16.5,8,1,0,0,9.6文本,20.5,8,1,0,0,9.6

文本,24.5,8,0.5,0,0,9.6

END

输出图形：

输出内力值：

内力计算

杆端内力值（乘子=1）

-----------------------------------------------------------------------------------------------

杆端1杆端2

----------------------------------------------------------------------------------

单元码轴力剪力弯矩轴力剪力弯矩

1-0.000000000.000000000.00000000-0.000000000.000000000.00000000

21.666666670.000000000.000000001.666666670.000000000.00000000

32.666666670.000000000.000000002.666666670.000000000.00000000

42.666666670.000000000.000000002.666666670.000000000.00000000

51.666666670.000000000.000000001.666666670.000000000.00000000

60.000000000.000000000.000000000.000000000.000000000.00000000

7-1.666666670.000000000.00000000-1.666666670.000000000.00000000

8-2.666666670.000000000.00000000-2.666666670.000000000.00000000

9-3.000000000.000000000.00000000-3.000000000.000000000.00000000

10-3.000000000.000000000.00000000-3.000000000.000000000.00000000

11-2.666666670.000000000.00000000-2.666666670.000000000.00000000

12-1.666666670.000000000.00000000-1.666666670.000000000.00000000

13-3.000000000.000000000.00000000-3.000000000.000000000.00000000

14-2.500000000.000000000.00000000-2.500000000.000000000.00000000

15-1.500000000.000000000.00000000-1.500000000.000000000.00000000

16-1.000000000.000000000.00000000-1.000000000.000000000.00000000

17-1.500000000.000000000.00000000-1.500000000.000000000.00000000

18-2.500000000.000000000.00000000-2.500000000.000000000.00000000

19-3.000000000.000000000.00000000-3.000000000.000000000.00000000

203.004626060.000000000.000000003.004626060.000000000.00000000

211.802775640.000000000.000000001.802775640.000000000.00000000

220.600925210.000000000.000000000.600925210.000000000.00000000

230.600925210.000000000.000000000.600925210.000000000.00000000

241.802775640.000000000.000000001.802775640.000000000.00000000

253.004626060.000000000.000000003.004626060.000000000.00000000

b）高跨比1:

6（每小格比1:

1）

操作代码：

TITLE,a

结点生成,1,7,1,7,1,0,4单元,1,2,1,1,0,1,1,0

文本,0.5,7,0.5,0,0,9.6文本,4.5,7,1,0,0,9.6

文本,8.5,7,1,0,0,9.6文本,12.5,7,1,0,0,9.6

文本,16.5,7,1,0,0,9.6文本,20.5,7,1,0,0,9.6

文本,24.5,7,0.5,0,0,9.6

输出图形：

输出内力值：

内力计算

22.500000000.000000000.000000002.500000000.000000000.00000000

34.000000000.000000000.000000004.000000000.000000000.00000000

44.000000000.000000000.000000004.000000000.000000000.00000000

52.500000000.000000000.000000002.500000000.000000000.00000000

7-2.500000000.000000000.00000000-2.500000000.000000000.00000000

8-4.000000000.000000000.00000000-4.000000000.000000000.00000000

9-4.500000000.000000000.00000000-4.500000000.000000000.00000000

10-4.500000000.000000000.00000000-4.500000000.000000000.00000000

11-4.000000000.000000000.00000000-4.000000000.000000000.00000000

12-2.500000000.000000000.00000000-2.500000000.000000000.00000000

203.535533910.000000000.000000003.535533910.000000000.00000000

212.121320340.000000000.000000002.121320340.000000000.00000000

220.707106780.000000000.000000000.707106780.000000000.00000000

230.707106780.000000000.000000000.707106780.000000000.00000000

242.121320340.000000000.000000002.121320340.000000000.00000000

253.535533910.000000000.000000003.535533910.000000000.00000000

C）高跨比1:

4（每小格比3:

2）

结点,1,0,0结点生成,6,1,1,1,1,6,0

文本,0.5,6,0.5,0,0,9.6文本,6.5,6,1,0,0,9.6

文本,12.5,6,1,0,0,9.6文本,18.5,6,1,0,0,9.6

文本,24.5,6,1,0,0,9.6文本,30.5,6,1,0,0,9.6

文本,36.5,6,0.5,0,0,9.6

输出内力值：

10.000000000.000000000.000000000.000000000.000000000.00000000

23.750000000.000000000.000000003.750000000.000000000.00000000

36.000000000.000000000.000000006.000000000.000000000.00000000

46.000000000.000000000.000000006.000000000.000000000.00000000

53.750000000.000000000.000000003.750000000.000000000.00000000

7-3.750000000.000000000.00000000-3.750000000.000000000.00000000

8-6.000000000.000000000.00000000-6.000000000.000000000.00000000

9-6.750000000.000000000.00000000-6.750000000.000000000.00000000

10-6.750000000.000000000.00000000-6.750000000.000000000.00000000

11-6.000000000.000000000.00000000-6.000000000.000000000.00000000

12-3.750000000.000000000.00000000-3.750000000.000000000.00000000

204.506939090.000000000.000000004.506939090.000000000.00000000

212.704163460.000000000.000000002.704163460.000000000.00000000

220.901387820.000000000.000000000.901387820.000000000.00000000

230.901387820.000000000.000000000.901387820.000000000.00000000

242.704163460.000000000.000000002.704163460.000000000.00000000

254.506939090.000000000.000000004.506939090.000000000.00000000

2）三角桁架

a）高跨比1:

9（每小格比2:

TITLE,b

结点,8,4,2结点,9,8,4

结点,10,12,6结点,11,16,4

结点,12,20,2单元,1,2,1,1,0,1,1,0

单元生成,5,1,1,1单元,1,8,1,1,0,1,1,0

单元,8,9,1,1,0,1,1,0单元,9,10,1,1,0,1,1,0

单元,10,11,1,1,0,1,1,0单元,11,12,1,1,0,1,1,0

单元,12,7,1,1,0,1,1,0单元,2,8,1,1,0,1,1,0

单元,3,9,1,1,0,1,1,0单元,4,10,1,1,0,1,1,0

单元,5,11,1,1,0,1,1,0单元,6,12,1,1,0,1,1,0

单元,3,8,1,1,0,1,1,0单元,4,9,1,1,0,1,1,0

单元,4,11,1,1,0,1,1,0单元,5,12,1,1,0,1,1,0

结点荷载,1,1,0.5,-90结点荷载,8,1,1,-90

结点荷载,9,1,1,-90结点荷载,10,1,1,-90

结点荷载,7,1,0.5,-90文本,-1.5,6,（b）,0,0,9.6

文本,0.5,2,0.5,0,0,9.6文本,4.5,4,1,0,0,9.6

文本,8.5,6,1,0,0,9.6文本,12.5,8,1,0,0,9.6

文本,16.5,6,1,0,0,9.6文本,20.5,4,1,0,0,9.6

文本,24.5,2,0.5,0,0,9.6