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本帖最后由 liuxiaoran 于 2022-10-21 19:13 编辑
钢管变形小。
ql4*/(8eI), q是单位长度重量,I的抗弯模量。。。(D^4-d^4)/64..e是弹性模2e5, l是长度。 不保证计算正确,感觉位移有点偏大。。。。还需要校核师傅屈服吗?哈哈啊,304屈服强度235. 老母是,吃亏是福,老子吃了这么多亏了,福拉。我靠!!!
e |
density |
D |
d |
s |
q=dens*s*g*1000 |
l |
I=3.14*(D^4-d^4)/64 |
dis=q*l^4/8/e/i |
2.00E+05
|
8.00E-09
|
10
|
0
|
78.5
|
6.28E-03
|
500
|
490.625
|
|
5.00E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
1
|
77.715
|
6.22E-03
|
500
|
490.5759
|
|
4.95E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
2
|
75.36
|
6.03E-03
|
500
|
489.84
|
|
4.81E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
3
|
71.435
|
5.71E-03
|
500
|
486.6509
|
|
4.59E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
4
|
65.94
|
5.28E-03
|
500
|
478.065
|
|
4.31E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
5
|
58.875
|
4.71E-03
|
500
|
459.9609
|
|
4.00E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
6
|
50.24
|
4.02E-03
|
500
|
427.04
|
|
3.68E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
7
|
40.035
|
3.20E-03
|
500
|
372.8259
|
|
3.36E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
8
|
28.26
|
2.26E-03
|
500
|
289.665
|
|
3.05E-01
|
|
2.00E+05
|
8.00E-09
|
10
|
9
|
14.915
|
1.19E-03
|
500
|
168.7259
|
|
2.76E-01
|
|
|
|