*heading
Analysis of cabin-air-chassis with substructure 
(tr_acous_cabin_chassis_gen.inp, tr_acous_chassis_gen.inp)
**
**            cabin-air super element
** In order to reproduce the result in the example problem, COUPLED 
**  ACOUSTIC-STRUCTRUAL ANALYSIS OF A PICKUP TRUCK, the parameter 
**  <nfreq_minus> in tr_parameters.inp should both be changed to 199.
*include, input=tr_parameters_inphase.inp
*include, input=tr_parameters.inp
*node
41934, 3072.312, 688.3483, 564.1409
41921, 3062.329, -677.6478, 565.8732
41935, 1837.576, 740.3875, 617.6503
41922, 1857.688, -709.6696, 609.3147
41927, 4256.773, 567.58825, 551.844
41928, 4251.238, -567.079, 534.63595
*element, type=z43, elset=cabin_air, file=tr_acous_cabin_chassis
10001,41934, 41921, 41935, 41922, 41927, 41928
*substructure property,elset=cabin_air
**            chassis super element
*node
  211380,  4.295512e+003,  4.229988e+002,  4.859055e+002
  211475,  4.286581e+003, -4.225427e+002,  4.859687e+002
  211794,  4.191400e+003,  4.492884e+002,  4.857875e+002
  212195,  4.187048e+003, -4.468072e+002,  4.722583e+002
 1821032,  1.110862e+003,  6.005077e+002,  6.109903e+002
 1821031,  -5.185757e+002,  5.150760e+002,  7.725544e+002
 1821016,  1.110862e+003, -6.005077e+002,  6.109903e+002
 1821015, -5.185757e+002, -5.150760e+002,  7.725544e+002 
  224109,  3.062329e+003, -6.776478e+002,  5.658732e+002
   28161,  2.586508e+003, -6.947424e+002,  1.705636e+003
  225059,  1.857688e+003, -7.096696e+002,  6.093147e+002
  281576,  3.072312e+003,  6.883483e+002,  5.641409e+002
  258003,  4256.7729999999992,567.58825000000002,551.84400000000005
  258521, 4251.2380000000003,-567.07899999999995,534.63595000000009
*element, type=z45, elset=chassis, file=tr_acous_chassis
100001,211380,211475,211794,212195,
1821032,1821031,1821016,1821015,
224109,281661,225059,281576,
258003,258521
*substructure property,elset=chassis
*nset, nset=boun
211380,211475,211794,212195,
1821032,1821031,1821016,1821015
**            connector to connect cabin to chassis
*ELEMENT, TYPE=CONN3D2, ELSET=conn_cabin_chassis
 620302,41934,224109
 620303,41921,281661
 620304,41935,225059
 620301,41922,281576
*CONNECTOR SECTION, ELSET=conn_cabin_chassis
beam,
**---------------------------------------------------------------
**
**                  RADIATOR (CABIN) AND CHASSIS
**
**---------------------------------------------------------------
*ELEMENT, TYPE=CONN3D2, ELSET=conn_radiator_cabin_chassis
 620401,41927,258003
 620402,41928,258521
*CONNECTOR SECTION, ELSET=conn_radiator_cabin_chassis
beam,
**---------------------------------------------------------------
*step
*frequency
<nfreq_minus>,
*boundary
boun,1,6,0
**substructure path, enter element=10001
**OUTPUT, FIELD, MODE LIST
**25,50,75
***NODE OUTPUT
**U,POR
**substructure path, leave
*endstep