有限元上机实验报告
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有限元上机实验报告结构数值分析与程序设计
上机实验
院系: 土木工程与力学学院专业: 土木工程
班级: 姓名:
学号: 指导教师:
1、调试教材P26-30程序FEM1。
1.1、输入数据文件为:
6,4,12,6,1.0E0,0.0,1.0,0.0,1
3,1,2
5,2,4
3,2,5
6,3,5
0.0,2.0
0.0,1.0
1.0,1.0
0.0,0.0
1.0,0.0
2.0,0.0
1,3,7,8,10,12
1.2、输出数据文件为:
NN NE ND NFIX E ANU T GM NTYPE
6 4 12 60.1000E+01 0.000 1.0000.0000E+00 1 NODE X-LOAD Y-LOAD
1 0.000000E+00 -0.100000E+01
2 0.000000E+00 0.000000E+00
3 0.000000E+00 0.000000E+00
4 0.000000E+00 0.000000E+00
5 0.000000E+00 0.000000E+00
6 0.000000E+00 0.000000E+00
NODE X-DISP Y-DISP
1 -0.879121E-15 -0.325275E+01
2 0.879121E-16 -0.125275E+01
3 -0.879121E-01 -0.373626E+00
4 0.117216E-1
5 -0.835165E-15
5 0.175824E+00 -0.293040E-15
6 0.175824E+00 0.263736E-15
ELEMENT X-STR Y-STR XY-STR
1 -0.879121E-01 -0.200000E+01 0.439560E+00
2 0.175824E+00 -0.125275E+01 0.256410E-15
3 -0.879121E-01 -0.373626E+00 0.307692E+00
4 0.000000E+00 -0.373626E+00 -0.131868E+00 2、修改FEM1,计算P31例2-2。
2.1、输入数据文件为:
20.0,24.0,40.0,5.0,2E10,0.167,1.0,0.0,1.0
5,1,2
6,5,2
6,2,3
7,6,3
7,3,4
7,4,8
9,5,6
9,6,10
10,6,7
10,7,11 11,7,8
11,8,12 13,9,10 13,10,14 14,10,11 14,11,15 15,11,12 15,12,16 17,13,14 17,14,18 18,14,15 18,15,19 19,15,16 19,16,20 0,3 0,2
0,1
0,0
2.25,3
2.25,2
2.25,1
2.25,0
4.5,3
4.5,2
4.5,1
4.5,0
6.75,3
6.75,2
6.75,1
6.75,0
9,3
9,2
9,1
9,0
1,3,5,7,40
2.2、输出数据文件为:
NN NE ND NFIX E ANU T GM NTYPE
20 24 40 50.2000E+11 0.167 1.0000.0000E+00 1 NODE X-LOAD Y-LOAD
1 0.000000E+00 -0.112500E+05
2 0.000000E+00 0.000000E+00
3 0.000000E+00 0.000000E+00
4 0.000000E+00 0.000000E+00
5 0.000000E+00 -0.225000E+05
6 0.000000E+00 0.000000E+00
7 0.000000E+00 0.000000E+00
8 0.000000E+00 0.000000E+00
9 0.000000E+00 -0.225000E+05
10 0.000000E+00 0.000000E+00
11 0.000000E+00 0.000000E+00
12 0.000000E+00 0.000000E+00
13 0.000000E+00 -0.225000E+05
14 0.000000E+00 0.000000E+00
15 0.000000E+00 0.000000E+00
16 0.000000E+00 0.000000E+00
17 0.000000E+00 -0.112500E+05
18 0.000000E+00 0.000000E+00
19 0.000000E+00 0.000000E+00
20 0.000000E+00 0.000000E+00
ELEMENT X-STR Y-STR XY-STR
1 -0.135626E+06 0.821075E+04 0.409751E+05
2 -0.471063E+05 -0.229544E+04 -0.412344E+05
3 -0.450136E+05 0.102356E+05 0.457906E+05
4 0.432811E+0
5 0.278738E+04 -0.362994E+05
5 0.455430E+05 0.163319E+05 0.500168E+05
6 0.138924E+06 0.659433E+04 -0.367475E+05
7 -0.118919E+06 -0.142881E+05 0.486599E+05
8 -0.379873E+05 -0.749746E+04 -0.269849E+05
9 -0.385520E+05 -0.108789E+05 0.506495E+05
10 0.395343E+05 -0.183501E+04 -0.224095E+05
11 0.381311E+05 -0.102382E+05 0.461386E+05
12 0.117794E+06 0.418256E+04 -0.285486E+05
13 -0.821554E+05 -0.148737E+05 0.433242E+05
14 -0.273330E+05 -0.125220E+05 -0.785096E+04