u=v=w=0 nodes: 1 2 3 4 21 22 23 24
>rmd3 beam56d1.I1
>rpd3 beam56d1.I2
>srh3 beam56d1.I3
>hmot beam56d1.IM
>fefs beam56d1.I4
>heig beam56d1.IE
>hfrq beam56d1.IF