*HEADING
Use reaction forces to compute CONWEP incident and reflected pressures
**
** DEFORMABLE ELEMENT
**
*NODE
1001,  -0.025, -0.025,  0.25
1002,  -0.025,  0.025,  0.25
1003,   0.025, -0.025,  0.25
1004,   0.025,  0.025,  0.25
1011,  -0.025, -0.025,  0.35
1012,  -0.025,  0.025,  0.35
1013,   0.025, -0.025,  0.35
1014,   0.025,  0.025,  0.35
2001,  -0.025, -0.025, -0.25
2002,  -0.025,  0.025, -0.25
2003,   0.025, -0.025, -0.25
2004,   0.025,  0.025, -0.25
2011,  -0.025, -0.025, -0.15
2012,  -0.025,  0.025, -0.15
2013,   0.025, -0.025, -0.15
2014,   0.025,  0.025, -0.15
**
*NODE, NSET=NSOURCE
 1, 0., 0., 0.
**
*NSET, NSET=NBC
1001, 1002, 1003, 1004, 2001, 2002, 2003, 2004
**
*ELEMENT, TYPE=C3D4, ELSET=SOLID
401, 1002, 1001, 1004, 1012
402, 1003, 1004, 1001, 1013
403, 1011, 1012, 1013, 1001
404, 1014, 1013, 1012, 1004
405, 1001, 1004, 1012, 1013
411, 2002, 2001, 2003, 2011
412, 2003, 2004, 2002, 2014
413, 2014, 2013, 2011, 2003
414, 2011, 2012, 2014, 2002
415, 2014, 2011, 2002, 2003
*Solid section, Elset=SOLID, Material=METAL
1.0, 
**
*MATERIAL, NAME=METAL
*DENSITY
 2.78e+3,
*ELASTIC
 6.9e+10, 0.3
**
*BOUNDARY
NBC,     1, 6
NSOURCE, 1, 6
**
*SURFACE,Type=element,NAME=Front
401, S1
402, S1
**
*SURFACE,Type=element,NAME=Back
411, S1
412, S1
**
*INCIDENT WAVE INTERACTION PROPERTY, NAME=Small_Charge, TYPE=AIR BLAST
*CONWEP Charge Property
0.5,

**
*STEP
*DYNAMIC,EXPLICIT, DIRECT USER CONTROL
 2.e-08, 2.e-04
**
*INCIDENT WAVE INTERACTION, PROPERTY=Small_Charge, CONWEP
Front, NSOURCE, , 0.0, 1.0
**
*INCIDENT WAVE INTERACTION, PROPERTY=Small_Charge, CONWEP
Back, NSOURCE
**
*OUTPUT, FIELD, NUMBER=2
*NODE OUTPUT,NSET=NBC
 RT,
*OUTPUT,HISTORY,FREQ=1,OP=NEW
*NODE OUTPUT,NSET=NBC
 RT
*END STEP