*HEADING
IMPORT ROLLING TIRE: HALF-SYMMETRIC MODEL
UNITS: KG, M
*RESTART,WRITE,FREQ=100
*NODE,NSET=ROAD
99999,   0.0,   0.0, -0.02
*NODE
50001,-20.0,   0.0, -0.32
50002,-20.0,  -1.0, -0.32
50003, 20.0,  -1.0, -0.32
50004, 20.0,   0.0, -0.32
*ELEMENT,ELSET=ROAD,TYPE=R3D4
50001, 50001, 50002, 50003, 50004
*RIGID BODY,REF NODE=99999,ELSET=ROAD
*SYMMETRIC MODEL GENERATION,REVOLVE,ELEMENT=500,
NODE=500
0.0, 0.0, 0.0,    0.0, 1.0, 0.0
0.0, 0.0, 1.0
360.0, 60
*SYMMETRIC RESULTS TRANSFER, STEP=1
*ELSET,ELSET=FOOT,GEN
10001, 19501, 500
10002, 19502, 500
10003, 19503, 500
10004, 19504, 500
10005, 19505, 500
10007, 19507, 500
*SURFACE,NAME=SROAD,TYPE=ELEMENT
ROAD, SPOS
*SURFACE,NAME=STREAD
FOOT, S3
*CONTACT PAIR,INTERACTION=SRIGID
STREAD, SROAD
*SURFACE INTERACTION,NAME=SRIGID
*FRICTION
0.0,
*NSET,NSET=SYM1
51,54,55,15051,15054,15055
**
** NODE SETS ASYMA,ASYMB,ASYMC, and ASYMD
** USED FOR ANTI_SYMMETRY BC's
**
*NSET,NSET=ASYMA,GENERATE,UNSORTED
555, 14555,  500
554, 14554,  500
551, 14551,  500
*NSET,NSET=ASYMB,GENERATE,UNSORTED
29555, 15555, -500
29554,15554, -500
29551, 15551, -500
*NSET,NSET=ASYMC,GENERATE,UNSORTED
555, 7555,  500
554, 14554,  500
551, 14551,  500
*NSET,NSET=ASYMD,GENERATE,UNSORTED
29555, 22555, -500
29554, 15554, -500
29551, 15551, -500
*EQUATION
2
ASYMA, 1, 1.0, ASYMB, 1,  1.0
*EQUATION
2
ASYMA, 2, 1.0, ASYMB, 2,  1.0
*EQUATION
2
ASYMC, 3, 1.0, ASYMD, 3, -1.0
********************************************
*STEP,INC=100,NLGEOM=YES,Convert Sdi=No
1:  BRING TRANSFERRED RESULTS TO EQUILIBRIUM
*STATIC,DIRECT, LONGTERM
1.0, 1.0
*BOUNDARY,OP=NEW
RIM,  1, 6
ROAD, 1, 6
SYM1, 1, 2
*DSLOAD,OP=NEW
INSIDE, P, 200.E3
*NODE PRINT,FREQ=0
*EL PRINT,FREQ=0
*OUTPUT,FIELD,FREQ=1
*ELEMENT OUTPUT
S,LE
*NODE OUTPUT
U
*CONTACT OUTPUT,VAR=PRE
*OUTPUT,HISTORY,FREQ=1
*NODE OUTPUT, NSET=ROAD
U, RF, UR1,UR2,UR3,RM1,RM2,RM3
*NODE OUTPUT, NSET=RIM
U, RF, UR1,UR2,UR3,RM1,RM2,RM3
*ENERGY OUTPUT,VAR=PRE
*END STEP
******************************************
*STEP,INC=100,NLGEOM=YES,Convert Sdi=No
2:  FOOTPRINT (DISPLACEMENT CONTROLLED)
*STATIC, LONGTERM
0.2, 1.0
*BOUNDARY,OP=NEW
RIM,  1, 6
ROAD, 1, 2
ROAD, 4, 6
SYM1, 1, 2
ROAD, 3, , 0.02
*END STEP
****************************************
*STEP,INC=100,NLGEOM=YES,Convert Sdi=No
3:  FOOTPRINT (LOAD CONTROLLED)
*STATIC, LONGTERM
1.0, 1.0
*BOUNDARY,OP=NEW
RIM,  1, 6
ROAD, 1, 2
ROAD, 4, 6
SYM1, 1, 2
*CLOAD, OP=NEW
ROAD, 3, 1650.
*END STEP