*heading
test for vuel (uncoupled 3d spring)
10 user defined spring elements (needs vuel_springs_3d.f)
*parameter
**
** translation properties
dMass  = 7214.5
dStiff = 1.0521e8
dDamp  = 0.0
**rotational properties
dRotStiff_xx = 10000.0
dRotStiff_yy = 10000.0
dRotStiff_zz = 20000.0
dRotDamp = 0.0
**
ri_xx = 0.1
ri_yy = 0.2
ri_zz = 0.3
ri_xy = 0.04
ri_yz = 0.05
ri_xz = 0.06
**------------------------------------------------
*preprint,echo=yes,model=yes,hist=yes
*NODE
1,0.0
11,2.0
*NGEN, NSET=PR
1, 11, 1
*NSET, NSET=end_nodes
 1, 11
*nset, nset=qa_test_leftnode
 1,
*nset, nset=qa_test_rightnode
 11,
**------------------------------------------------
*USER ELEMENT,NODES=2,TYPE=VU1001,PROPERTIES=14,COORDINATES=3,VARIABLES=18
1,2,3,4,5,6           
*ELEMENT,TYPE=VU1001
1, 1, 2
*ELGEN, elset=utruss
1, 10, 1, 1
*UEL PROPERTY,ELSET=UTRUSS
<dStiff>, <dDamp>, <dMass>,   <dRotStiff_xx>,<dRotStiff_yy>, <dRotStiff_zz>,<dRotDamp>,0.0
<ri_xx>, <ri_yy>, <ri_zz>, <ri_xy>, <ri_yz>, <ri_xz>
**------------------------------------------------
*BOUNDARY
1,1,6
**
*amplitude,name=load,definition=smooth step
0,0,1,1
**------------------------------------------------
*step, nlgeom=yes
*dynamic,explicit,elem, scale factor=0.5
,1.0
***variable mass scaling, elset=utruss,type=uniform,frequency=2,dt=1.e-2
*bulk viscosity
0.0,0.0
*CLOAD,amplitude = load
11, 1, 2e6
11, 2, 5e6
11, 3, 6e6
*CLOAD,amplitude = load
11, 4, 500
11, 5, 500
11, 6, 1000
*output,field,var=preselect,num=1
*output, history, freq=1
*node output,nset=qa_test_leftnode
 RF,
*node output, nset=qa_test_rightnode
 U, V, A
*energy output
*END STEP
**------------------------------------------------