problem description title="3d Beam Sample Problem (Logan #5.21 p.192)" nodes=2 elements=1 nodes 1 x=0 y=0 z=0 constraint=fixed 2 x=360 y=0 z=0 constraint=pin beam3d elements 1 nodes=[1,2] material=steel load=dead material properties steel e=29e6 a=1 iy=200 iz=200 j=1 g=1 distributed loads dead direction=GlobalY values=(1,-2000/12) (2,-2000/12) constraints fixed tx=c ty=c tz=c rx=c ry=c rz=c free tx=u ty=u tz=c rx=c ry=c rz=u pin tx=c ty=c tz=c rx=c ry=c rz=u end