RCCA Insertion Planes

models/openmc/beavrs/builder.py

@@ -24,15 +24,13 @@
 class BEAVRS(object):
     """ Main BEAVRS class"""
 
-    def __init__(self, boron_ppm=c.nominalBoronPPM, is_symmetric=False, is_2d=False):
+    def __init__(self, boron_ppm=c.nominalBoronPPM, is_symmetric=False, is_2d=False, rcca_z = c.rcca_bank_steps_withdrawn_default):
         """ We build the entire geometry in memory in the constructor """
 
-        # TODO: make the control rod bank insertion heights attributes
-
         # Setup the materials
         self.mats = openmc_materials(ppm=boron_ppm)
 
-        self.pincells = Pincells(self.mats)
+        self.pincells = Pincells(self.mats, rcca_z)
         self.assemblies = Assemblies(self.pincells, self.mats)
         self.baffle = Baffle(self.assemblies, self.mats)
         self.core = Core(self.pincells, self.assemblies, self.baffle, is_symmetric=is_symmetric)

models/openmc/beavrs/constants.py

@@ -9,7 +9,7 @@
 ############## Geometry paramters ##############
 
 ## Steps withdrawn for each RCCA bank
-rcca_bank_steps_withdrawn = {
+rcca_bank_steps_withdrawn_default = {
     'A': 228,
     'B': 228,
     'C': 228,
@@ -20,7 +20,6 @@
     'SD': 228,
     'SE': 228,
 }
-rcca_banks = rcca_bank_steps_withdrawn.keys()
 
 ## pincell parameters
 pelletOR        = 0.39218  #

models/openmc/beavrs/pincells.py

@@ -13,11 +13,13 @@
 
 class Pincells(object):
 
-    def __init__(self, mats):
+    def __init__(self, mats, rcca_insertion_steps):
         """ Creates BEAVRS pincell universes """
 
         self.mats = mats
 
+        self.rcca_z = rcca_insertion_steps
+
         self._add_structural_axials()
         self._add_dummy_universe()
         self._add_grid_pincells()
@@ -364,8 +366,8 @@ def _add_rcca_pincells(self):
         self.s_rcca_b4c_top = {}
         self.s_rcca_spacer_top = {}
         self.s_rcca_plenum_top = {}
-        for b in sorted(c.rcca_banks):
-            d = c.rcca_bank_steps_withdrawn[b]*c.rcca_StepWidth
+        for b in sorted(self.rcca_z.keys()):
+            d = self.rcca_z[b]*c.rcca_StepWidth
             self.s_rcca_rod_bot[b] = openmc.ZPlane(name='Bottom of RCCA rod bank {0}'.format(b), z0=c.rcca_Rod_bot + d)
             self.s_rcca_lowerFitting_top[b] = openmc.ZPlane(name='Top of RCCA rod lower fitting bank {0}'.format(b), z0=c.rcca_LowerFitting_top + d)
             self.s_rcca_aic_top[b] = openmc.ZPlane(name='Top of RCCA rod AIC bank {0}'.format(b), z0=c.rcca_AIC_top + d)
@@ -402,7 +404,7 @@ def _add_rcca_pincells(self):
         # RCCA rod axial stack
 
         self.u_rcca = {}
-        for b in sorted(c.rcca_banks):
+        for b in sorted(self.rcca_z):
             self.u_rcca[b] = AxialPinCell(name='RCCA bank {0}'.format(b))
             self.u_rcca[b].add_axial_section(self.s_struct_supportPlate_bot, self.mats['Borated Water'])
             self.u_rcca[b].add_axial_section(self.s_struct_lowerNozzle_top, self.mats['Water SPN'])

models/openmc/make_beavrs.py

@@ -2,6 +2,7 @@
 
 import os
 from beavrs.builder import BEAVRS
+import beavrs.constants as c
 from optparse import OptionParser
 
 try:
@@ -17,11 +18,20 @@
 p.add_option('-s', '--symmetric', action='store_true', dest='is_symmetric',
              default=False, help='Create octant-symmetric input files,' \
              + ' not symmetric by default')
+p.add_option('-z', '--rcca_d_z', dest='rcca_d_z',
+             help='The number of steps withdrawn for RCCA bank D, 0 by default',
+             type=int, default=0)
 (options, args) = p.parse_args()
 
 if not len(args) == 0:
     p.print_help()
 
-b = BEAVRS(is_symmetric=options.is_symmetric, is_2d=options.is_2d)
+if options.rcca_d_z < 0 or options.rcca_d_z > 228:
+    raise Exception('The insertion step for RCCA bank D must be between 0 and 228!')
+
+insertions = c.rcca_bank_steps_withdrawn_default
+insertions['D'] = options.rcca_d_z
+
+b = BEAVRS(is_symmetric=options.is_symmetric, is_2d=options.is_2d, rcca_z=insertions)
 b.write_openmc_model()