*HEADING
 STRAIGHT LINE ROLLING WITH MATERIAL HISTORY EFFECTS INCLUDED. 
 C3D6H elements
 USES 2D DEPENDENCY FILE:  pstca3shhma
*RESTART,WRITE,FREQ=100
*NODE,NSET=NODES_ROAD
 1, 0.0, 0.0, 0.5
*SYMMETRIC MODEL GENERATION,REVOLVE,NODEOFF=500,ELEMENT=500
 0.0, 0.0, 0.0,    0.0, 0.0, 1.0
 0.0, 1.0, 0.0
 155.0,  9
  50.0, 12
 155.0,  9
*rigid body,analytical surface=SURFACE_ROAD,REFNODE=1
*surface,NAME=SURFACE_ROAD,TYPE=CYLINDER
 0.0, 0.0, 0.0,   1.0, 0.0, 0.0
 0.0, 0.0, -1.0
 START, -2.0, -2.0
 LINE,   2.0, -2.0
*surface,NAME=SURFACE_TREAD
 ELEMENTS_TREAD, S4
*CONTACT PAIR, INTERACTION=SURFACE_RIGID
 SURFACE_TREAD, SURFACE_ROAD
*SURFACE INTERACTION,NAME=SURFACE_RIGID
*FRICTION
 0.0, 
*****************************
*STEP,INC=100,NLGEOM
 FOOTPRINT
*STATIC,LONG TERM
*BOUNDARY
 NODES_SIDE-1, 3
 NODES_SIDE-2, 3
 NODES_RIM,  1, 3
 NODES_ROAD, 1
 NODES_ROAD, 2, , 0.2
 NODES_ROAD, 3, 6
*CONTACT PRINT,FREQ=1
 CFN,CFS
 CAREA,XN
*NODE PRINT,NSET=NODES_ROAD,FREQ=1
 U2, RF1, RF2, RM3
*EL PRINT,FREQ=0
*END STEP
*****************************
*STEP,INC=100,NLGEOM
 STEADY STATE ROLLING
*STEADY STATE TRANSPORT
 1.0, 1.0
*TRANSPORT VELOCITY
 NODES_TIRE, 10.0
*CONTACT FILE,FREQ=1
 CSTRESS, CDISP,
 CFN,CFS, 
 CAREA,XN,XS,CMN,CMS
*EL PRINT,FREQ=100,ELSET=ELEMENTS_TREAD
 S11, S22, S33, CE11, CE22, CE33
*EL FILE,FREQ=100,ELSET=ELEMENTS_TREAD
 S, CE
*NODE FILE,FREQ=100
 V, A
*NODE FILE,NSET=NODES_ROAD,FREQ=1
 U, RF
*END STEP