dim 2
ndofpn 2
Nodes
nNodes 12
id crd
1 0 0 
2 10 5
3 10 0
4 20 8
5 20 0
6 30 9
7 30 0
8 40 8
9 40 0
10 50 5
11 50 0
12 60 0
Elements
ne 21
id elementType matID neNodes eNodes
1 3 1 2 1 3 
2 3 1 2 3 5
3 3 1 2 5 7
4 3 1 2 7 9
5 3 1 2 9 11
6 3 1 2 11 12
7 3 2 2 1 2
8 3 2 2 2 4
9 3 2 2 4 6
10 3 2 2 6 8
11 3 2 2 8 10
12 3 2 2 10 12
13 3 3 2 2 3
14 3 3 2 4 5
15 3 3 2 6 7
16 3 3 2 8 9
17 3 3 2 10 11
18 3 4 2 2 5
19 3 4 2 4 7
20 3 4 2 7 8
21 3 4 2 9 10
PrescribedDOF
np 3
node node_dof_index value
1 1 0
1 2 0
12 2 0
FreeDofs
nNonZeroForceFDOFs 5
node node_dof_index value
3 2 -10
5 2 -10
7 2 -16
9 2 -10
11 2 -10
Materials
nMat 4
id numPara Paras
1 2 1000 2
2 2 1000 10
3 2 1000 3
4 2 1000 1