*HEADING 
 ** *AQUA and *WIND loading tests for RB3D2 elements
*NODE,NSET=ALL
1,10., 0., 10.
3,20., 0., 20.
999,15.,0., 15.
*ELEMENT,TYPE=RB3D2,ELSET=ALL
1,1,3
*RIGID BODY,ELSET=ALL,REF NODE=999
**A negligible mass element is added to allow dynamic steps
*ELEMENT,TYPE=MASS,ELSET=MASS
10,1
*MASS,ELSET=MASS
1E-10, 
*AMPLITUDE, NAME=TEN
0.,10.,  1.,10.
*AMPLITUDE, name= A1_5
0., 1.5, 1., 1.5
*AMPLITUDE,NAME=ZERO
0.,0.,  1.,0.
********************* Node sets for loading and B.C.s
*NSET,NSET=support
 999,
*NSET,nset=twist
999,
*Nset,nset=end1
1,
*nset, nset=end2
3,
*********************
*INCLUDE,INPUT=aqua3d_loads.inp