*HEADING
TRUSS IMPACTING A RIGID WALL, PENALTY CONTACT, REFINED MESH
CONSISTENT UNITS : N, m, kg, s
**
** Define truss
**
*NODE, NSET=QA_TEST_ALLNODES
1,0. , 0.,
11,2.0, 0.,
*NGEN,NSET=NTRUSS
1,11,1
*ELEMENT,TYPE=T2D2
1,1,2
*ELGEN,ELSET=ETRUSS
1,10,1,1
*SOLID SECTION, ELSET=ETRUSS, MATERIAL=STEEL
0.2, 
*MATERIAL, NAME=STEEL
*ELASTIC
200.E9, 0.3
*DENSITY
7800., 
**
**  Define the rigid wall
**
*NODE, NSET=REF
100,  2.05,  0.0
*NODE, NSET=QA_TEST_ALLNODES
101,  2.001, -0.1
102,  2.001,  0.1
*ELEMENT, TYPE=R2D2, ELSET=RSURFACE
100,101,102
*ELEMENT, TYPE=MASS, ELSET=RMASS
103,100
*MASS, ELSET=RMASS
0.01, 
*NSET, NSET=NALL
REF, NTRUSS
**
*INITIAL CONDITIONS,TYPE=VELOCITY
NTRUSS,1,1.5
**
*SURFACE,TYPE=NODE, NAME=END
11,
*SURFACE,TYPE=ELEMENT, NAME=RSURFACE
RSURFACE,SPOS
*RIGID BODY, ELSET=RSURFACE, REF NODE=100
**
*NSET, NSET=QA_TEST_ALLNODES
QA_TEST_ALLNODES, NTRUSS, REF, NALL
**
*STEP
*DYNAMIC, EXPLICIT, SCALE FACTOR=0.25
 , 4.5E-3
**
*BOUNDARY
100,1,6
NTRUSS, 2,3
**
*CONTACT PAIR,MECHANICAL CONSTRAINT=PENALTY,CPSET=QA_TEST_CP
END,RSURFACE
**
*FILE OUTPUT, NUMBER INTERVAL=4
*NODE FILE
U,
*OUTPUT,FIELD, NUMBER INTERVAL=1, OP=ADD
*NODE OUTPUT
U,V
*OUTPUT, FIELD, OP=ADD, NUMBER INTERVAL=4
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
*OUTPUT,HISTORY,OP=ADD,TIMEINT=9.0E-6
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,V,RF,COORD
*CONTACT OUTPUT,CPSET=QA_TEST_CP
CFN,
*END STEP