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Hexahedra, BEAM56D1

Mesh: Four hexahedra--see appendix B.1.
Material properties: $E=2\times 10^5$ MPa, $\nu=0.3$, $\rho=7800$ kg/m3.
Support: All the degrees of freedom fixed at x=0. 

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