Merge pull request firemodels#12315 from mcgratta/master

FDS Validation: Fix HT3D feature

Validation/SP_AST/FDS_Input_Files/SP_AST_Test_1.fds

@@ -13,13 +13,7 @@
 
 &OBST XB= 0.05, 0.35,-1.15,-0.85, 0.00, 0.65, SURF_IDS='BURNER','CONCRETE WALL','CONCRETE WALL' /
 
-&OBST XB= 0.10, 3.50,-0.050, 0.050, 2.000, 2.008, SURF_ID='STEEL SLAB' /
-&OBST XB= 0.10, 3.50,-0.050, 0.050, 2.192, 2.200, SURF_ID='STEEL SLAB' /
-&OBST XB= 0.10, 3.50,-0.050,-0.042, 2.000, 2.200, SURF_ID='STEEL SLAB' /
-&OBST XB= 0.10, 3.50, 0.042, 0.050, 2.000, 2.200, SURF_ID='STEEL SLAB' /
-
-&OBST XB= 0.10, 3.50,-0.050, 0.050, 2.000, 2.200, 
-      SURF_ID6='STEEL TUBE END','STEEL TUBE END','STEEL TUBE SIDE','STEEL TUBE SIDE','STEEL TUBE TOP AND BOTTOM','STEEL TUBE TOP AND BOTTOM' /
+&OBST XB= 0.10, 3.50,-0.050, 0.050, 2.000, 2.200, MATL_ID='PELLETS', SURF_ID='STEEL BEAM' /
 
 &OBST XB= 0.85, 0.95,-0.05, 0.05, 2.30, 2.30, SURF_ID6='INERT','INERT','INERT','INERT','PLATE BACK','PLATE FRONT' /
 &OBST XB= 0.85, 0.95, 0.15, 0.15, 2.05, 2.15, SURF_ID6='INERT','INERT','PLATE BACK','PLATE FRONT','INERT','INERT' /
@@ -38,33 +32,12 @@
 
 &SURF ID='CONCRETE WALL', DEFAULT=.TRUE., MATL_ID='LIGHT CONCRETE', THICKNESS=0.2, COLOR='BEIGE' /
 
-&SURF ID='STEEL TUBE SIDE' 
-      MATL_ID='STEEL','PELLETS','STEEL'
-      THICKNESS=0.008,0.084,0.008
-      HT3D=T
-      NORMAL_DIRECTION_ONLY=T
-      COLOR='BLACK' /
-
-&SURF ID='STEEL TUBE TOP AND BOTTOM' 
-      MATL_ID='STEEL','PELLETS','STEEL'
-      THICKNESS=0.008,0.184,0.008
-      HT3D=T
-      NORMAL_DIRECTION_ONLY=T
-      COLOR='BLACK' /
-
-&SURF ID='STEEL TUBE END' 
-      MATL_ID='STEEL','PELLETS'
-      THICKNESS=0.008,0.10
-      BACKING='INSULATED'
-      COLOR='BLACK' /
-
-&SURF ID='STEEL SLAB' 
+&SURF ID='STEEL BEAM' 
+      THICKNESS=0.008
       MATL_ID='STEEL'
-      CELL_SIZE=0.05
       HT3D=T
       COLOR='BLACK' /
 
-
 &SURF ID='PLATE FRONT' 
       MATL_ID='INCONEL','INSULATION'
       THICKNESS=0.0007,0.01