AirDrag Area CdxA can now be left empty in Engineering Mode also when the...

AirDrag Area CdxA can now be left empty in Engineering Mode also when the CrossWindCorrection is set to Speed Dependent (Declaration Mode)

VectoCore/VectoCore/InputData/Reader/DataObjectAdapter/EngineeringDataAdapter.cs

@@ -62,7 +62,6 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 			retVal.DynamicTyreRadius = data.DynamicTyreRadius;
 			var axles = data.Axles;
 
-
 			retVal.AxleData = axles.Select(axle => new Axle {
 				WheelsDimension = axle.Wheels,
 				Inertia = axle.Inertia,
@@ -82,8 +81,7 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 
 			switch (airdragData.CrossWindCorrectionMode) {
 				case CrossWindCorrectionMode.NoCorrection:
-					retVal.CrossWindCorrectionCurve =
-						new CrosswindCorrectionCdxALookup(airdragData.AirDragArea,
+					retVal.CrossWindCorrectionCurve = new CrosswindCorrectionCdxALookup(airdragData.AirDragArea,
 							CrossWindCorrectionCurveReader.GetNoCorrectionCurve(airdragData.AirDragArea),
 							CrossWindCorrectionMode.NoCorrection);
 					break;
@@ -97,13 +95,14 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 						CrossWindCorrectionCurveReader.ReadCdxABetaTable(airdragData.CrosswindCorrectionMap));
 					break;
 				case CrossWindCorrectionMode.DeclarationModeCorrection:
+					var airDragArea = airdragData.AirDragArea ??
+									DeclarationData.Segments.LookupCdA(data.VehicleCategory, data.AxleConfiguration, data.GrossVehicleMassRating);
 					var height = DeclarationData.Segments.LookupHeight(data.VehicleCategory, data.AxleConfiguration,
 						data.GrossVehicleMassRating);
-					retVal.CrossWindCorrectionCurve =
-						new CrosswindCorrectionCdxALookup(airdragData.AirDragArea,
+					retVal.CrossWindCorrectionCurve = new CrosswindCorrectionCdxALookup(airDragArea,
 							DeclarationDataAdapter.GetDeclarationAirResistanceCurve(
-								GetAirdragParameterSet(data.VehicleCategory, data.AxleConfiguration, data.Axles.Count),
-								airdragData.AirDragArea, height), CrossWindCorrectionMode.DeclarationModeCorrection);
+							GetAirdragParameterSet(data.VehicleCategory, data.AxleConfiguration, data.Axles.Count), airDragArea, height),
+						CrossWindCorrectionMode.DeclarationModeCorrection);
 					break;
 				default:
 					throw new ArgumentOutOfRangeException("CrosswindCorrection", airdragData.CrossWindCorrectionMode.ToString());
@@ -231,7 +230,6 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 					gearbox.TorqueConverter.CLUpshiftMinAcceleration, gearbox.TorqueConverter.CCUpshiftMinAcceleration);
 			}
 
-
 			return retVal;
 		}
 
@@ -249,7 +247,6 @@ namespace TUGraz.VectoCore.InputData.Reader.DataObjectAdapter
 			retVal.UpshiftMinAcceleration = gearbox.UpshiftMinAcceleration;
 		}
 
-
 		public IList<VectoRunData.AuxData> CreateAuxiliaryData(IAuxiliariesEngineeringInputData auxInputData)
 		{
 			var auxList = new List<VectoRunData.AuxData>(auxInputData.Auxiliaries.Count + 1) {

VectoCore/VectoCore/Models/Declaration/Segments.cs

@@ -155,6 +155,16 @@ namespace TUGraz.VectoCore.Models.Declaration
 			return vehicleHeight;
 		}
 
+		/// <summary>
+		/// Looks up the default CdxA value for the cross wind correction.
+		/// </summary>
+		public SquareMeter LookupCdA(VehicleCategory vehicleCategory, AxleConfiguration axleConfiguration,
+			Kilogram grossVehicleMassRating)
+		{
+			var row = GetSegmentDataRow(vehicleCategory, axleConfiguration, grossVehicleMassRating, true);
+			return row.SI<SquareMeter>("cdxa_default");
+		}
+
 		private static Mission[] CreateMissions(ref Kilogram grossVehicleWeight, Kilogram curbWeight, DataRow row)
 		{
 			var missionTypes = Enum.GetValues(typeof(MissionType)).Cast<MissionType>();

VectoCore/VectoCore/Models/SimulationComponent/Data/VehicleData.cs

@@ -42,6 +42,7 @@ using TUGraz.VectoCore.Utils;
 
 namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 {
+	[CustomValidation(typeof(AirdragData), "ValidateAirDragData")]
 	public class AirdragData : SimulationComponentData
 	{
 		public CrossWindCorrectionMode CrossWindCorrectionMode { get; set; }
@@ -50,6 +51,17 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 		public ICrossWindCorrection CrossWindCorrectionCurve { get; internal set; }
 
 		public SquareMeter DeclaredAirdragArea { get; internal set; }
+
+		// ReSharper disable once UnusedMember.Global  -- used via Validation
+		public static ValidationResult ValidateAirDragData(AirdragData airDragData, ValidationContext validationContext)
+		{
+			if (airDragData.CrossWindCorrectionMode != CrossWindCorrectionMode.DeclarationModeCorrection &&
+				airDragData.CrossWindCorrectionCurve.AirDragArea == null)
+				return new ValidationResult(
+					"AirDrag Area (CdxA) must not be empty when the cross wind correction mode is not \"Speed dependent\"");
+
+			return ValidationResult.Success;
+		}
 	}
 
 	/// <summary>
@@ -178,7 +190,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 			get { return (CurbWeight ?? 0.SI<Kilogram>()) + (BodyAndTrailerWeight ?? 0.SI<Kilogram>()); }
 		}
 
-
 		protected void ComputeRollResistanceAndReducedMassWheels()
 		{
 			if (TotalVehicleWeight == 0.SI<Kilogram>()) {
@@ -217,7 +228,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 			WheelsInertia = wheelsInertia;
 		}
 
-
 		// ReSharper disable once UnusedMember.Global  -- used via Validation
 		public static ValidationResult ValidateVehicleData(VehicleData vehicleData, ValidationContext validationContext)
 		{
@@ -240,7 +250,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 				}
 			}
 
-
 			if (vehicleData.TotalRollResistanceCoefficient <= 0) {
 				return
 					new ValidationResult(string.Format("Total rolling resistance must be greater than 0! {0}",
@@ -275,7 +284,6 @@ namespace TUGraz.VectoCore.Models.SimulationComponent.Data
 				return new ValidationResult("Exactly one axle has to be defined as driven!");
 			}
 
-
 			return ValidationResult.Success;
 		}
 	}

VectoCore/VectoCoreTest/Models/Declaration/DeclarationDataTest.cs

@@ -252,6 +252,37 @@ namespace TUGraz.VectoCore.Tests.Models.Declaration
 				crossWindCorrectionCurve.EffectiveAirDragArea(kmph.KMPHtoMeterPerSecond()));
 		}
 
+		[TestCase]
+		public void CrossWindAreaCdxANotSet_DeclarationMode()
+		{
+			var airDrag = new AirdragData() {
+				CrossWindCorrectionMode = CrossWindCorrectionMode.DeclarationModeCorrection,
+				CrossWindCorrectionCurve =
+					new CrosswindCorrectionCdxALookup(null, null, CrossWindCorrectionMode.DeclarationModeCorrection)
+			};
+
+			Assert.IsTrue(airDrag.IsValid(),
+				"In Speed Dependent (Declaration Mode) Crosswind Correction the CdxA Value can be empty.");
+		}
+
+		[TestCase]
+		public void CrossWindAreaCdxANotSet_Other()
+		{
+			foreach (var correctionMode in EnumHelper.GetValues<CrossWindCorrectionMode>()) {
+				if (correctionMode == CrossWindCorrectionMode.DeclarationModeCorrection)
+					continue;
+
+				var airDrag = new AirdragData {
+					CrossWindCorrectionMode = correctionMode,
+					CrossWindCorrectionCurve =
+						new CrosswindCorrectionCdxALookup(null, null, correctionMode)
+				};
+
+				Assert.IsFalse(airDrag.IsValid(),
+					"Only in Speed Dependent (Declaration Mode) Crosswind Correction the CdxA Value can be empty.");
+			}
+		}
+
 		[TestCase(MissionType.LongHaul, "Standard technology", 1200, 0.7),
 		TestCase(MissionType.RegionalDelivery, "Standard technology", 1000, 0.7),
 		TestCase(MissionType.UrbanDelivery, "Standard technology", 1000, 0.7),