problem description nodes=2 elements=1 title="Cantilever Study with Load Cases" load cases tip_load node-forces=(2, point_load) end_moment node-forces=(2, end_moment) nodes 1 x=0.0 constraint=fixed 2 x=10.0 constraint=free beam elements 1 nodes=[1,2] material=steel material properties steel E=30e6 A=2.0 Ix=100 constraints free Tx=u Ty=u Rz=u fixed Tx=c Ty=c Rz=c forces point_load Fy=-100 end_moment Mz=-100 end