*HEADING
 BASIC VERIFICATION OF *COUPLING WITH *DISTRIBUTING
 3-D GEOMETRIC LINEAR ANALYSIS
*PREPRINT, MODEL=YES
*RESTART,W
*NODE
10,0.0,  0.0
1 ,2.0,  0.5
2 ,2.0, -0.5
3 ,1.0,  1.0
*SURFACE, NAME=NODE_BASED_SURFACE, TYPE=NODE
2,2.0
3,3.0
1,1.0
*COUPLING, CONSTRAINT NAME=COUPLING_DEFINITION_1, REF NODE=10, SURFACE=NODE_BASED_SURFACE
*DISTRIBUTING
*ELEMENT,TYPE=SPRING1,ELSET=ESPRING1
110,1
120,2
130,3
*ELEMENT,TYPE=SPRING1,ELSET=ESPRING2
210,1
220,2
230,3
*ELEMENT,TYPE=SPRING1,ELSET=ESPRING3
310,1
320,2
330,3
*SPRING,ELSET=ESPRING1
1, 
01.0E2, 
*SPRING,ELSET=ESPRING2
2, 
02.0E2, 
*SPRING,ELSET=ESPRING3
3, 
03.0E2, 
*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
 1.66666667,
*MASS, ELSET=MASS_2
 3.33333333,
*MASS, ELSET=MASS_3
 5.0,
*AMPLITUDE,NAME=SINE,DEFINITION=PERIODIC
1,6.28,0.0,0.0
1.0,0.0
**
**  STEP 1: STATIC APPLIED FORCES IN X-Y PLANE
**
*STEP
*STATIC
*CLOAD
10,1,1.0
10,6,2.0
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*NODE PRINT
U,
RF,
*NODE FILE
U,RF
*END STEP
**
**  STEP 2: STATIC APPLIED FORCES IN Y-Z PLANE
**
*STEP
*STATIC
*CLOAD,OP=NEW
10,2,1.0
10,4,2.0
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*END STEP
**
**  STEP 3: STATIC APPLIED FORCES IN Z-X PLANE
**
*STEP
*STATIC
*CLOAD,OP=NEW
10,3,1.0
10,5,2.0
*OUTPUT,FIELD
*NODE OUTPUT
U,RF
*END STEP
**
**  STEP 4: FREQUENCY EXTRACTION
**
*STEP
*FREQUENCY, EIGENSOLVER=SUBSPACE, SIM=yes
3, 
*OUTPUT,FIELD
*NODE OUTPUT
U,
*MODAL FILE
*END STEP
**
**  STEP 5: MODAL DYNAMICS
**
*STEP
*MODAL DYNAMIC
0.01,0.05
*CLOAD,OP=NEW,AMPLITUDE=SINE
10,1,1.
*OUTPUT,FIELD
*NODE OUTPUT
U,
V,
A,
*NODE PRINT
U,
V,
A,
*END STEP
**
**  STEP 6: STEADY STATE MODAL DYNAMICS
**
*STEP
*STEADY STATE DYNAMICS
10.0,100.0,2
*CLOAD,OP=NEW
10,1,1.
*OUTPUT,FIELD
*NODE OUTPUT
U,
V,
A,
*NODE PRINT
U,
V,
A,
*END STEP