u=v=0 nodes: 1 9 u=0 nodes: 2 10 11 23
>rmd2 beam6p7.I1
>rpd2 beam6p7.I2
>srh2 beam6p7.I3
>fefs beam6p7.I4
>hpp2 beam6p7.IP
>hpls beam6p7.IL
>str2 beam6p7.I5