结构矩阵分析
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结构矩阵分析
第一题
2.8
试填写计算如图3所示刚架的的原始数据，并打印出结果。已知各杆
2
7
100.3m
kN E ⨯=；
横梁：
4
12104.0,35.0m
I m A ==；立柱：
4
22
201.0,24.0m I m A ==。
图3
1、数据输入
4,3,0,2,5,2,2 1,0,0 2,0,4 3,6,4 4,6,0
1,1,2,7.2E6,3E5 2,2,3,1.05E7,1.2E6 3,3,4,7.2E6,3E5 1,1,10,0,0 2,3,20,0,0 1,1,1,2,0,-15,0 2,2,2,0,6,-10,-10 1,2,0 2,3,0
3,10,0
4,11,0
5,12, 0.0174533
2、数据输出
plane frame structural analysis
********************************
input data
=====
structural control data
--------------
nn ne nf nd ndf npj npe n
4 3 0 2
5 2 2 12
nodal coordinates
----------------
node x y
1 0 0
2 0 4
3 6 4
4 6 0
element information
---------------
ele.no jl jr ea ei al
1 1
2 7200000 300000 4
2 2
3 10500000 1200000 6
3 3
4 7200000 300000 4
nodal load
---------------------
i mj xd yd md
1 1 10 0 0
2 3 20 0 0
element loads
--------------------
i mf ind aq bq q1 q2
1 1 1
2 0 -15 0
2 2 2 0 6 -10 -10 boundary conditions
----------------------
i ibd bd
1 2 0
2 3 0
3 10 0
4 11 0
5 12 0.0174533
Output Data
==================
Nodal Displacement
------------------
Node No. u v fai
1 4.18488E-0
2 1.81861E-18 -1.01399E-18
2 3.97671E-02 1.01034E-04 -8.85322E-04
3 3.97528E-02 -1.34367E-0
4 2.02309E-03
4 4.5E-19 -2.41861E-18 1.74533E-02
Element No.&member-end force:
= = = = = = = = = = = = = = =
Ele No. n(l) q(l) m(l) n(r) q(r m(r)
--------------------------------------
1 -181.8608 -10 93.899
2 181.8608 25 -23.8992
2 25 -181.8608 23.8992 -25 241.8608 1247.2655
3 241.8608 45 -1247.2655 -241.8608 -45 1067.2655
2.9试完成图4所示结构原始数据的填写，打印出结果，并绘内力图。已知各杆
610
4
2
EA∙
⨯
=。
kN
⨯
=
EI
5.5
kN
,
2.4m
10
1、数据输入
10,12,4,0,0,2,6
1,0,4
2,6,8
3,6,4
4,14,8
5,14,4
6,20,4
7,0,0
8,6,0
9,14,0
10,20,0
1,1,2,4.2E6,5.5E4
2,1,3,4.2E6,5.5E4
3,1,7,4.2E6,5.5E4
4,2,3,4.2E6,5.5E4
5,3,8,4.2E6,5.5E4
6,2,4,4.2E6,5.5E4
7,3,5,4.2E6,5.5E4
8,4,5,4.2E6,5.5E4
9,5,9,4.2E6,5.5E4
10,4,6,4.2E6,5.5E4
11,5,6,4.2E6,5.5E4
12,6,10,4.2E6,5.5E4
1,1,25,0,-30
2,6,0,0,40
1,1,2,0,7.211,-8.326,-8.326
2,1,7,0,7.211,-5.547,-5.547
3,6,2,0,8,-10,-10
4,7,1,4,0,-50,0
5,10,1,3.606,0,-16.641,0
6,10,6,3.606,0,11.094,0
2、数据输出
plane frame structural analysis
********************************
input data
=====
structural control data
--------------
nn ne nf nd ndf npj npe n
10 12 4 0 0 2 6 18
nodal coordinates
----------------
node x y
1 0 4
2 6 8
3 6 4
4 14 8
5 14 4
6 20 4
7 0 0
8 6 0
9 14 0
10 20 0
element information
---------------
ele.no jl jr ea ei al