*Heading
 1000 element truss along global x-axis modeled using T3D2 element
 Ref solution for vuel_truss_3d_3=250el.inp
*Parameter
 CsArea=1.002
 YoungsMod=2.1E7
 PoissonRatio=0.0
 Density=7200.0
*Node
*Ngen, Nset=AllNodes
*Nset, Nset=LeftNode
*nset, nset=qa_test_leftnode
*Nset, Nset=RightNode
*nset, nset=qa_test_rightnode
*Element, Type=T3D2
*Elgen, Elset=AllElements
*Material, Name=Mat1
*Density
 <Density>,
*Elastic
 <YoungsMod>,<PoissonRatio>
*Solid Section, Elset=AllElements, Material=Mat1
 1.0,
*Boundary
 LeftNode, 1, 3, 0.0
 RightNode, 2, 3, 0.0
*Amplitude, name=LoadAmp, Definition=Smooth Step
 0.0, 0.0, 1.0, 1.0
****************************************
*Step, Nlgeom=Yes
*Dynamic, Explicit, Element
 ,1.0
*Variable Mass Scaling, type=below min, Dt=1.0e-3, freq=2
*Bulk Viscosity
*Cload, Amplitude=LoadAmp
 RightNode, 1, 1.0e6
*Output, Field, Var=Preselect
*Output, History, Freq=1
*Node Output, Nset=qa_test_leftNode
 RF1
*Node Output, Nset=RightNode
 U1, V1, A1
*node output, nset=qa_test_rightnode
 u1,
*Energy Output
*End Step