*HEADING
 FRICTIONAL CONTACT BETWEEN A DEFORMABLE BLOCK OF CPE3 ELEMENTS AND
 AN ANALYTICAL RIGID SURFACE WITH COULOMB FRICTION MODEL
**
** DEFORMABLE ELEMENT
**
*NODE,NSET=DELEM
*ELEMENT,TYPE=CPE3,ELSET=DELEM
*SOLID SECTION, ELSET=DELEM, MATERIAL=STUFF
 1.,
*MATERIAL, NAME=STUFF
*ELASTIC
 3.E7,0.33
*DENSITY
 7.3E-4,
**
** RIGID SURFACE
**
*NODE,NSET=RMASS
*ELEMENT,TYPE=MASS,ELSET=RMASS
*MASS,ELSET=RMASS
1.0,
*NSET,NSET=NLOAD
*BOUNDARY
201,1,2
201,6,6
*INITIAL CONDITIONS,TYPE=VELOCITY
DELEM,1,200.0
DELEM,2,0.0
*INITIAL CONDITIONS,TYPE=STRESS
101,0.0,-2000.0
102,0.0,-2000.0
*SURFACE, TYPE=SEGMENT, NAME=RSURF
START, -7,  0.000
LINE,  5.,  0.000
*SURFACE,TYPE=ELEMENT,NAME=DEFORM
DELEM,
*RIGID BODY,REF NODE=201, ANALYTICAL SURFACE =RSURF
*ELSET,ELSET=QA_TEST_All_ELSETS_AUTO
DELEM, DELEM, RMASS, RMASS,
*NSET,NSET=QA_TEST_All_NSETS_AUTO
DELEM, RMASS, NLOAD,
*STEP
*DYNAMIC,EXPLICIT
,0.001
**
** Analytical rigid surface
**
*SURFACE INTERACTION,NAME=RSUR_PM
*FRICTION,USER,PROPERTIES=1
0.15,
*CONTACT PAIR,INTERACTION=RSUR_PM
DEFORM,RSURF
*DLOAD
102,P2,2000.0
**
**  Some typical output requests.
**
*RESTART,TIMEMARKS=NO, WRITE, NUMBER=1
**
*FILE OUTPUT, NUMBER=4, TIMEMARKS=YES
*ENERGY FILE
*NODE FILE
 U,
**
***OUTPUT,HISTORY,TIME INTERVAL=0.
***NODE OUTPUT,NSET=DELEM
**U,V,RF,COORD
***NODE OUTPUT,NSET=RMASS
**U,V,RF,COORD
***ENERGY OUTPUT
**ALLIE,ALLKE,ALLPD,ALLSE,ALLVD,ALLWK,ETOTAL,ALLFD
**
*OUTPUT,FIELD,VARIABLE=PRESELECT,NUMBER INTERVAL=1,OP=NEW
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIME INTERVAL=0.00025,OP=NEW
*OUTPUT, FIELD, NUMBER=1, TIMEMARKS=YES
*NODE OUTPUT,NSET=QA_TEST_All_NSETS_AUTO
 U,
*END STEP