Merge pull request #4450 from NREL/4446_autosizedOccupantDiversity

Fix #4446 - add SizingSystem::autosizedOccupantDiversity.

src/model/SizingSystem.cpp

@@ -953,6 +953,45 @@ namespace model {
       return result;
     }
 
+    boost::optional<double> SizingSystem_Impl::autosizedOccupantDiversity() const {
+      boost::optional<double> result;
+
+      // Note: as of 9.6.0, for some reason, it returns one entry for cooling and one for heating...
+      // And it's only present in the tabular report 'Standard62.1Summary'
+      // Both the Heating and Cooling are actually the same underlying value. Cf https://github.com/NREL/OpenStudio/pull/4450#issue-1011104323
+      std::string tableName = "System Ventilation Requirements for Cooling";
+
+      // Get the parent AirLoopHVAC
+      AirLoopHVAC parAirLoop = airLoopHVAC();
+
+      // Get the object name and transform to the way it is recorded
+      // in the sql file
+      std::string sqlName = parAirLoop.nameString();
+      boost::to_upper(sqlName);
+
+      // Check that the model has a sql file
+      if (!model().sqlFile()) {
+        LOG(Warn, "This model has no sql file, cannot retrieve the autosized " + tableName + " - 'Occupant Diversity - D'.");
+        return result;
+      }
+
+      // Query the Initialization Summary -> System Sizing table to get
+      // the row names that contains information for this component.
+      std::string rowsQuery = R"(
+        SELECT Value FROM TabularDataWithStrings
+          WHERE ReportName = 'Standard62.1Summary'
+          AND ReportForString = 'Entire Facility'
+          AND ColumnName = 'Occupant Diversity - D'
+          AND TableName = ?
+          AND RowName = ?;
+      )";
+
+      result = model().sqlFile().get().execAndReturnFirstDouble(rowsQuery,
+                                                                // Bind args
+                                                                tableName, sqlName);
+      return result;
+    }
+
     void SizingSystem_Impl::autosize() {
       autosizeDesignOutdoorAirFlowRate();
       autosizeCoolingDesignCapacity();
@@ -982,6 +1021,11 @@ namespace model {
       if (val) {
         setCentralHeatingMaximumSystemAirFlowRatio(val.get());
       }
+
+      val = autosizedOccupantDiversity();
+      if (val) {
+        setOccupantDiversity(val.get());
+      }
     }
 
     std::vector<EMSActuatorNames> SizingSystem_Impl::emsActuatorNames() const {
@@ -1584,6 +1628,10 @@ namespace model {
     return getImpl<detail::SizingSystem_Impl>()->autosizedCentralHeatingMaximumSystemAirFlowRatio();
   }
 
+  boost::optional<double> SizingSystem::autosizedOccupantDiversity() const {
+    return getImpl<detail::SizingSystem_Impl>()->autosizedOccupantDiversity();
+  }
+
   // DEPRECATED: TODO REMOVE as soon as standards > 0.29.0 is relased
   boost::optional<double> SizingSystem::minimumSystemAirFlowRatio() const {
     return getImpl<detail::SizingSystem_Impl>()->centralHeatingMaximumSystemAirFlowRatio();

src/model/SizingSystem.hpp

@@ -305,6 +305,7 @@ namespace model {
     boost::optional<double> autosizedCentralHeatingMaximumSystemAirFlowRatio() const;
     boost::optional<double> autosizedCoolingDesignCapacity() const;
     boost::optional<double> autosizedHeatingDesignCapacity() const;
+    boost::optional<double> autosizedOccupantDiversity() const;
 
     void autosize();
 

src/model/SizingSystem_Impl.hpp

@@ -292,6 +292,8 @@ namespace model {
 
       boost::optional<double> autosizedHeatingDesignCapacity() const;
 
+      boost::optional<double> autosizedOccupantDiversity() const;
+
       void autosize();
 
       void applySizingValues();