结构力学课程设计报告Word文档下载推荐.docx
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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
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