*INCLUDE, INPUT=all.msh
*INCLUDE, INPUT=fix1_beam.nam
*INCLUDE, INPUT=interface_beam.nam
*MATERIAL, Name=EL
*ELASTIC
 4000000, 0.3
*DENSITY
 3000
*SOLID SECTION, Elset=Eall, Material=EL
*STEP, INC=1000000
*DYNAMIC, ALPHA=0.0
1.E-2, 5.0
*BOUNDARY
Nfix1, 1, 3
*BOUNDARY
Nall, 3
*CLOAD
 Nsurface, 1, 0.0
 Nsurface, 2, 0.0
 Nsurface, 3, 0.0
*NODE FILE
 U
*EL FILE
 S, E
*END STEP