*INCLUDE, INPUT=all.msh
*INCLUDE, INPUT=interface.nam
*INCLUDE, INPUT=federnoben.nam
*BOUNDARY
 Nfedernoben,1,3
*BOUNDARY
 Nsurface,1,2
*ELEMENT,ELSET=Espring,TYPE=SPRINGA
*SPRING,ELSET=Espring
.471
*MATERIAL, Name=EL
*ELASTIC
 210000000000, 0.3
*DENSITY
 7850
*SOLID SECTION, Elset=Eall, Material=EL
*STEP, INC=1000000
*DYNAMIC, ALPHA=0.0
0.0037037, 1.333332
*CLOAD
 Nsurface, 1, 0.0
 Nsurface, 2, 0.0
 Nsurface, 3, 0.0
*NODE FILE
 U
*EL FILE
 S, E
*END STEP