*HEADING
**
** Reference for test case: vuinteraction_heat
**
*NODE,NSET=NB1
1, 0.,0.,0.
2, 1.,0.,0.
3, 2.,0.,0.
4, 3.,0.,0.
5, 4.,0.,0.
11,0.,1.,0.
12,1.,1.,0.
13,2.,1.,0.
14,3.,1.,0.
15,4.,1.,0.
21,0.,0.,1.
22,1.,0.,1.
23,2.,0.,1.
24,3.,0.,1.
25,4.,0.,1.
31,0.,1.,1.
32,1.,1.,1.
33,2.,1.,1.
34,3.,1.,1.
35,4.,1.,1.
*ELEMENT,ELSET=EB1,TYPE=C3D8RT
1,1,2,12,11,21,22,32,31
*ELGEN,ELSET=EB1
1,4,1,1
*NSET,NSET=FIX_N
1,2,3,4,5,21,22,23,24,25,111,112,113,114,115,131,
132,133,134,135
*BOUNDARY
FIX_N,2,2
1,1,3
5,2,3
**
*NODE,NSET=NB2
101,0.,1.1,0.
102,1.,1.1,0.
103,2.,1.1,0.
104,3.,1.1,0.
105,4.,1.1,0.
111,0.,2.1,0.
112,1.,2.1,0.
113,2.,2.1,0.
114,3.,2.1,0.
115,4.,2.1,0.
121,0.,1.1,1.
122,1.,1.1,1.
123,2.,1.1,1.
124,3.,1.1,1.
125,4.,1.1,1.
131,0.,2.1,1.
132,1.,2.1,1.
133,2.,2.1,1.
134,3.,2.1,1.
135,4.,2.1,1.
*ELEMENT,ELSET=EB2,TYPE=C3D8RT
101,101,102,112,111,121,122,132,131
*ELGEN,ELSET=EB2
101,4,1,1
**
*ELSET,ELSET=EALL
EB1,EB2
**
*SOLID SECTION,ELSET=EALL,MATERIAL=MAT1
*MATERIAL,NAME=MAT1
*ELASTIC
1.E6,0.2
*DENSITY
1.E1, 
*CONDUCTIVITY
10., 
*SPECIFIC HEAT
0.001, 
*SURFACE,TYPE=ELEMENT,NAME=SB1
EB1, S5
*SURFACE,TYPE=ELEMENT,NAME=SB2
EB2, S3
**
*NSET, NSET=QA_TEST_ALLNODES
NB1, NB2
**
** Gap conductance = k_interface / t_interface
**
*SURFACE INTERACTION,NAME=LINEAR
*GAP CONDUCTANCE
1.0, 0.0
1.0, 0.2
**
*INITIAL CONDITIONS,TYPE=TEMP
NB1, 100.
NB2, 0.
**
*STEP
*DYNAMIC TEMPERATURE-DISPLACEMENT,EXPLICIT
 ,2.E-3
**
*CONTACT
*CONTACT INCLUSIONS
SB1, SB2
*CONTACT PROPERTY ASSIGNMENT
SB1, SB2, LINEAR
**
*OUTPUT, FIELD, NUMBER INTERVAL=1
*NODE OUTPUT,NSET=QA_TEST_ALLNODES
U, NT
*OUTPUT,FIELD,VARIABLE=PRESELECT
*OUTPUT,HISTORY,VARIABLE=PRESELECT,TIMEINT=0.002
**
*END STEP