*Heading Uncomment the amplitude TABULAR definition for the reference solution 250 element truss along global x-axis modeled using user defined element. Geometrically Nonlinear, with mass scaling *Parameter CsArea=1.002 YoungsMod=2.1E7 PoissonRatio=0.0 Density=7200.0 **------------------------------------------------ *Node 1, 0.0, 0.0, 0.0 251, 10.0, 0.0, 0.0 *Ngen, Nset=AllNodes 1, 251, 1 *Nset, Nset=LeftNode 1, *nset, nset=qa_test_leftnode 1, *Nset, Nset=RightNode 251, *nset, nset=qa_test_rightnode 251, *Element, Type=T3D2 1, 1, 2 *Elgen, Elset=AllElements 1, 250, 1, 1 *Solid section, Elset=AllElements, material=elas , *Boundary LeftNode, 1, 3, 0.0 RightNode, 2, 3, 0.0 *Amplitude, Name=LoadAmp, Definition=Tabular 0,0,1,1 **------------------------------------------------ *Node 1001, 0.0, 1.0, 0.0 1251, 10.0, 1.0, 0.0 *Ngen, Nset=AllNodes2 1001, 1251, 1 *Nset, Nset=LeftNode2 1001, *nset, nset=qa_test_leftnode2 1001, *Nset, Nset=RightNode2 1251, *nset, nset=qa_test_rightnode2 1251, *Element, Type=T3D2 1001, 1001, 1002 *Elgen, Elset=AllElements2 1001, 250, 1, 1 *Solid section, Elset=AllElements2, material=elas , *Boundary LeftNode2, 1, 3, 0.0 RightNode2, 2, 3, 0.0 *Amplitude, Name=LoadAmp2, Definition=User, Properties=1 1.0, **------------------------------------------------ *Material, name=elas *Elastic , *Density , **------------------------------------------------ *Step,Nlgeom=Yes *Dynamic, Explicit, Element , 1.0 *Variable Mass Scaling, type=below min, Dt=1.0e-3, freq=2 *Boundary,type=velocity, Amplitude=LoadAmp RightNode, 1,1, 1.0 *Boundary,type=velocity, Amplitude=LoadAmp2 RightNode2, 1,1, 1.0 *Output, Field, Var=Preselect *Output, History, Freq=1 *Node Output, Nset=qa_test_leftNode RF1, *Node Output, Nset=qa_test_leftNode2 RF1, *Node Output, Nset=RightNode U1, V1, A1 *Node Output, Nset=RightNode2 U1, V1, A1 *node output, nset=qa_test_rightnode u1,RF1 *node output, nset=qa_test_rightnode2 u1,RF1 *Energy Output *End Step **------------------------------------------------ *Step,Nlgeom=Yes *Dynamic, Explicit, Element , 1.0 *Variable Mass Scaling, type=below min, Dt=1.0e-3, freq=2 *Boundary,type=velocity, Amplitude=LoadAmp RightNode, 1,1, 1.0 *Boundary,type=velocity, Amplitude=LoadAmp2 RightNode2, 1,1, 1.0 *Output, Field, Var=Preselect *Output, History, Freq=1 *Node Output, Nset=qa_test_leftNode RF1, *Node Output, Nset=qa_test_leftNode2 RF1, *Node Output, Nset=RightNode U1, V1, A1 *Node Output, Nset=RightNode2 U1, V1, A1 *node output, nset=qa_test_rightnode u1,RF1 *node output, nset=qa_test_rightnode2 u1,RF1 *Energy Output *End Step **------------------------------------------------