*HEADING
 STRAIGHT LINE ROLLING WITH MATERIAL HISTORY EFFECTS INCLUDED.
 M3D8R elements
 USES 2D DEPENDENCY FILE:  pstma3srhma
*PREPRINT,MODEL=YES
*RESTART,WRITE,FREQ=100
*NODE,NSET=NROAD
*SYMMETRIC MODEL GENERATION,REVOLVE,NODEOFF=500,ELEMENT=500,TRANSPORT
*ELEMENT,TYPE=M3D9R,ELSET=ESHELL
*ELGEN,ELSET=ESHELL
*ELSET,ELSET=SECT
*rigid body,analytical surface=SURFACE_ROAD,REFNODE=1
*surface,NAME=SURFACE_ROAD,TYPE=CYLINDER
 START, -2.0, -2.0
 LINE,   2.0, -2.0
*surface,NAME=SURFACE_TREAD
 ETREAD, 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
 NSIDE1, 3
 NSIDE2, 3
 NRIM,  1, 3
 NROAD, 1
 NROAD, 2, , 0.3
 NROAD, 3, 6
*CONTACT PRINT,FREQ=1
 CFN,CFS
 CAREA,XN
*NODE PRINT,NSET=NROAD,FREQ=1
 U2, RF1, RF2, RM3
*OUTPUT,HIST
*NODE OUTPUT,NSET=NROAD
 RF,U
*ELEMENT OUTPUT,ELSET=SECT
 S11
*END STEP
*****************************
*STEP,INC=100,NLGEOM
 STEADY STATE ROLLING
*STEADY STATE TRANSPORT
*TRANSPORT VELOCITY
 NTIRE, 2.5
*END STEP