Assign a protected variable name to the milne extrapolation coefficie…

…nt value
arfc · Jun 4, 2024 · 4b53cc3 · 4b53cc3
1 parent 06f7e00
commit 4b53cc3
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Showing 2 changed files with 7 additions and 4 deletions.
diff --git a/include/bcs/VacuumConcBC.h b/include/bcs/VacuumConcBC.h
@@ -34,6 +34,11 @@ class VacuumConcBC : public IntegratedBC, public ScalarTransportBase
     MILNE
   };
 
-  /// Ratio of u to du/dn
+  // Ratio of u to du/dn
   Real _alpha;
+
+  // Milne vacuum boundary extrapolation coefficient
+  // Derived from the exact analytical solution to the Milne problem. See MooseDocs-based
+  // documentation for more information.
+  Real _milne_extrapolation_coefficient = 3 * 0.710446;
 };
diff --git a/src/bcs/VacuumConcBC.C b/src/bcs/VacuumConcBC.C
@@ -25,9 +25,7 @@ VacuumConcBC::VacuumConcBC(const InputParameters & parameters)
       _alpha = std::sqrt(3.);
       break;
     case MILNE:
-      // Derived from the exact analytical solution to the Milne problem. See MooseDocs-based
-      // documentation for more information.
-      _alpha = 3 * 0.710446;
+      _alpha = _milne_extrapolation_coefficient;
       break;
   }
 }