*HEADING
 BASIC VERIFACTION OF *COUPLING AND *DISTRIBUTING
 COLINEAR COUPLING NODES
*PREPRINT, MODEL=YES, HISTORY=YES
*RESTART,W
*NODE
10,0.0,  0.0
1 ,2.0,  0.5
2 ,1.0, -0.5
3 ,3.0,  1.5
*SURFACE, NAME=NODE_BASED_SURFACE1, TYPE=NODE
1,1.0
2,2.0
3,3.0
*COUPLING, CONSTRAINT NAME=COUPLING_DEFINITION_1, REF NODE=10, SURFACE=NODE_BASED_SURFACE1
*DISTRIBUTING
*ORIENTATION,SYS=RECT,NAME=ORIGLOB
1.,0.,0.,0.,1.,0.
*ELEMENT,TYPE=CONN3D2,ELSET=SPRING1
110,1, ,
*CONNECTOR SECTION,ELSET=SPRING1,BEHAVIOR=SPRING1
CARTESIAN,
ORIGLOB,
*CONNECTOR BEHAVIOR, NAME=SPRING1,INTEGRATION=EXPLICIT
*CONNECTOR ELASTICITY,COMPONENT=1
1.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=2
2.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=3
3.0E2, 
*ELEMENT,TYPE=CONN3D2,ELSET=SPRING2
120,2, ,
*CONNECTOR SECTION,ELSET=SPRING2,BEHAVIOR=SPRING2
CARTESIAN,
ORIGLOB,
*CONNECTOR BEHAVIOR, NAME=SPRING2,INTEGRATION=EXPLICIT
*CONNECTOR ELASTICITY,COMPONENT=1
1.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=2
2.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=3
3.0E2, 
*ELEMENT,TYPE=CONN3D2,ELSET=SPRING3
130,3, ,
*CONNECTOR SECTION,ELSET=SPRING3,BEHAVIOR=SPRING3
CARTESIAN,
ORIGLOB,
*CONNECTOR BEHAVIOR, NAME=SPRING3,INTEGRATION=EXPLICIT
*CONNECTOR ELASTICITY,COMPONENT=1
1.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=2
2.0E2, 
*CONNECTOR ELASTICITY,COMPONENT=3
3.0E2, 
*ELEMENT, TYPE=MASS, ELSET=MASSREF
100, 10
*ELEMENT, TYPE=ROTARYI, ELSET=ROTARYREF
200, 10
*ELEMENT, TYPE=MASS, ELSET=MASS_1
 1001, 1
*ELEMENT, TYPE=MASS, ELSET=MASS_2
 1002, 2
*ELEMENT, TYPE=MASS, ELSET=MASS_3
 1003, 3
*MASS, ELSET=MASS_1
 .000166666667,
*MASS, ELSET=MASS_2
 .000333333333,
*MASS, ELSET=MASS_3
 .00050,
*MASS, ELSET=MASSREF
1.E-7,
*ROTARY INERTIA, ELSET=ROTARYREF
1.E-7,1.E-7,1.E-7
*AMPLITUDE,NAME=AMP1,DEFINITION=SMOOTH STEP
0.0,0.0,1.0,1.0
*AMPLITUDE,NAME=AMP2,DEFINITION=SMOOTH STEP
0.0,1.0,1.0,0.0,
*AMPLITUDE,NAME=AMP3,DEFINITION=SMOOTH STEP
0.0,1.0,1.0,1.0,
*NSET, NSET=QA_TEST_ALLNODES
1,2,3,10
*NSET, NSET=OUT
1,2,3,10
*BOUNDARY
1,4,6
2,4,6
3,4,6
**
*STEP
*DYNAMIC, EXPLICIT, DIRECT
1.E-4,1.0
*CLOAD,AMPLITUDE=AMP1
10,6,2.
*OUTPUT,FIELD,NUMBER=4,TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
**OUTPUT,HISTORY,FREQ=1
**NODE OUTPUT,NSET=OUT
**U,
*END STEP
*STEP
*DYNAMIC, EXPLICIT, DIRECT
1.E-4,1.0
*CLOAD,AMPLITUDE=AMP1,OP=NEW
10,4,2
*CLOAD, AMPLITUDE=AMP2,OP=NEW
10,6,2
*OUTPUT,FIELD,NUMBER=4,TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
**OUTPUT,HISTORY,FREQ=1
**NODE OUTPUT,NSET=OUT
**U,
*END STEP
*STEP
*DYNAMIC, EXPLICIT, DIRECT
1.E-4,1.0
*CLOAD,AMPLITUDE=AMP1,OP=NEW
10,5,2
*CLOAD, AMPLITUDE=AMP2,OP=NEW
10,4,2
*OUTPUT,FIELD,NUMBER=4,TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
**OUTPUT,HISTORY,FREQ=1
**NODE OUTPUT,NSET=OUT
**U,
*END STEP
*STEP
*DYNAMIC, EXPLICIT, DIRECT
1.E-4,1.0
*CLOAD,AMPLITUDE=AMP3,OP=NEW
10,5,2
*CLOAD, AMPLITUDE=AMP1,OP=NEW
10,4,2
*OUTPUT,FIELD,NUMBER=4,TIMEMARKS=YES
*NODE OUTPUT, NSET=QA_TEST_ALLNODES
U,
**OUTPUT,HISTORY,FREQ=1
**NODE OUTPUT,NSET=OUT
**U,
*END STEP