*heading
1-D Truss test for T3D2
Analytical solution: 
Coriolis    RF = 12.57, PRF = +/- 90
Inertial    RF = 39.98  PRF = 170.96
Linear ramp-case -> 1/2 of above values split 2:1 for coriolis & lumped for
                    inertial load
*node,nset=nall
1,0
2,1
*element,type=t3d2,elset=one
1,1,2
*solid section,elset=one,material=elas
1.0, 
*material,name=elas
*elastic
1000,0.3
*density
1.0, 
*damping,alpha=1.
*step,perturbation,unsymm=yes
*steady state dynamics,direct
1, 
*boundary
nall,1,1,1
nall,2,2
nall,3,3
*node print
u,pu
*node print,tot=yes
rf,prf
*el print,freq=0
*OUTPUT,FIELD
*NODE OUTPUT
rf,
*end step
*step,perturbation,unsymm=yes
*steady state dynamics,direct
1, 
*dload
one,corio,1,.5,-10,0,0,0,1
*boundary
nall,1,1,1
nall,2,2
nall,3,3
*end step
*step,perturbation,unsymm=yes
*steady state dynamics,direct
1, 
*boundary
nall,1,1
nall,3,3
** Linear variation of displacement
1,2,2,0
2,2,2,1
*end step
*step,perturbation,unsymm=yes
*steady state dynamics,direct
1, 
*dload
one,corio,1,.5,-10,0,0,0,1
*boundary
nall,1,1
nall,3,3
1,2,2,0
2,2,2,1
*end step