problem description
title="Beam w/Distributed Load Sample Problem (Logan #5.24, p.192)" 
nodes=3 elements=2

nodes
1 x=0 y=0 constraint=pin
2 x=5    
3 x=9

beam elements
1 nodes=[1,2] material=steel load=weight
2 nodes=[2,3]                load=weight

material properties
steel a=10 ix=2e-4 e=210e9

distributed loads
weight direction=perp values=(1,-5000) (2,-5000)

constraints
pin tx=c ty=c

end
