1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
% Simple truss example from the chapter 25.3
% this chapter can be downloaded from http://titan.colorado.edu/courses.d/IFEM.d/IFEM.Ch25.d/IFEM.Ch25.pdf
<Node>
0 % Global object number
2 -4 3 % Node coordinates
<Node>
1 % Global object number
2 0 3 % Node coordinates
<Node>
2 % Global object number
2 4 3 % Node coordinates
<Node>
3 % Global object number
2 0 0 % Node coordinates
<END> % End of nodes
<MaterialLinearElasticity>
0 % Global object number
E : 30000 % Young modulus
A : 0.02 % Beam crossection area
I : 0.004 % Moment of inertia
nu : 0 % Poisson's ratio
h : 1 % Plate thickness
RhoC : 1 % Density times capacity
END: % End of material definition
<MaterialLinearElasticity>
1 % Global object number
E : 200000 % Young modulus
A : 0.001 % Beam crossection area
I : 0 % Moment of inertia
nu : 0 % Poisson's ratio
h : 1 % Plate thickness
RhoC : 1 % Density times capacity
END: % End of material definition
<MaterialLinearElasticity>
2 % Global object number
E : 200000 % Young modulus
A : 0.003 % Beam crossection area
I : 0 % Moment of inertia
nu : 0 % Poisson's ratio
h : 1 % Plate thickness
RhoC : 1 % Density times capacity
END: % End of material definition
<END> % End of materials
<Element2DC1Beam>
0 % Global object number
0 % Node #1 ID
1 % Node #2 ID
0 % MaterialLinearElasticity ID
<Element2DC1Beam>
1 % Global object number
1 % Node #1 ID
2 % Node #2 ID
0 % MaterialLinearElasticity ID
<Element2DC0LinearLineStress>
2 % Global object number
0 % Node #1 ID
3 % Node #2 ID
1 % MaterialLinearElasticity ID
<Element2DC0LinearLineStress>
3 % Global object number
1 % Node #1 ID
3 % Node #2 ID
2 % MaterialLinearElasticity ID
<Element2DC0LinearLineStress>
4 % Global object number
2 % Node #1 ID
3 % Node #2 ID
1 % MaterialLinearElasticity ID
<END> % End of elements
% We apply only one nodal force. This is not the in book.
<LoadNode>
0 % Global object number
2 % GN of element on which the load acts
1 % Point number within the element
2 20 -20 % Force vector (first number is the size of a vector)
% Essential boundary conditions are applyed, so that the system is
% fixed and we can solve for displacements. In book the BCs are applied
% in form of MFCs, and are different than these here.
<LoadBC>
1 % Global object number
0 % GN of element
0 % DOF# in element
1 0 % value of the fixed DOF
<LoadBC>
2 % Global object number
0 % GN of element
1 % DOF# in element
1 0 % value of the fixed DOF
<LoadBC>
3 % Global object number
1 % GN of element
4 % DOF# in element
1 0 % value of the fixed DOF
<END> % End of loads
|
