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problem description
nodes=11 elements=10 title="Nonlinear flexural problem"
analysis=static-substitution
analysis parameters
load-steps=10
tolerance=1e-6
iterations=500
nodes
1 x=0 y=0 z=0 constraint=fixed
2 x=10 y=0 constraint=free
3 x=20 y=0
4 x=30 y=0
5 x=40 y=0
6 x=50 y=0
7 x=60 y=0
8 x=70 y=0
9 x=80 y=0
10 x=90 y=0
11 x=100 y=0 force=end_moment
beam elements
1 nodes=[1,2] material=mat1
2 nodes=[2,3]
3 nodes=[3,4]
4 nodes=[4,5]
5 nodes=[5,6]
6 nodes=[6,7]
7 nodes=[7,8]
8 nodes=[8,9]
9 nodes=[9,10]
10 nodes=[10,11]
material properties
mat1 E = 2e6
A = 10
Ix = 5
color = red
mat2 E = 4e6
A = 10
Ix = 5
color = green
forces
end_moment Mz=1e5
constraints
free Tx=u Ty=u Rz=u
fixed Tx=c Ty=c Rz=c
end
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