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Align with changes to the physical material and methods #287

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Align with changes to the physical material and methods #287

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18 changes: 12 additions & 6 deletions LifeCycleAssessment_Engine/Compute/EvaluateEnvironmentalProductDeclaration.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
using BH.oM.Physical.Materials;
using BH.Engine.Matter;
using BH.Engine.LifeCycleAssessment.Objects;
using BH.oM.LifeCycleAssessment.MaterialFragments;

namespace BH.Engine.LifeCycleAssessment
{
Expand All @@ -39,21 +40,26 @@ public static partial class Compute
/**** Public Methods ****/
/***************************************************/

[PreviousVersion("6.0", "BH.Engine.LifeCycleAssessment.Compute.EvaluateEnvironmentalProductDeclaration(BH.oM.Dimensional.IElementM, System.Collections.Generic.List<BH.oM.LifeCycleAssessment.LifeCycleAssessmentPhases>, BH.oM.LifeCycleAssessment.EnvironmentalProductDeclarationField, System.Boolean)")]
[Description("This method calculates the results of any selected metric within an Environmental Product Declaration. For example for an EPD of QuantityType Volume, results will reflect the objects volume * EPD Field metric.")]
[Input("elementM", "This is a BHoM object used to calculate EPD metric. This obj must have an EPD MaterialFragment applied to the object.")]
[Input("phases", "Provide phases of life you wish to evaluate. Phases of life must be documented within EPDs for this method to work.")]
[Input("field", "Filter the provided EnvironmentalProductDeclaration by selecting one of the provided metrics for calculation. This method also accepts multiple fields simultaneously.")]
[Input("exactMatch", "If true, the evaluation method will force an exact LCA phase match to solve for.")]
[Output("result", "A LifeCycleElementResult that contains the LifeCycleAssessment data for the input object.")]
public static LifeCycleAssessmentElementResult EvaluateEnvironmentalProductDeclaration(IElementM elementM, List<LifeCycleAssessmentPhases> phases, EnvironmentalProductDeclarationField field = EnvironmentalProductDeclarationField.GlobalWarmingPotential, bool exactMatch = false)
public static LifeCycleAssessmentElementResult EvaluateEnvironmentalProductDeclaration(IElementM elementM, List<LifeCycleAssessmentPhases> phases, EnvironmentalProductDeclarationField field = EnvironmentalProductDeclarationField.GlobalWarmingPotential, bool exactMatch = false, List<Material> templateMaterials = null, bool prioritiseTemplate = true)
{
double value = 0;
EnvironmentalMetricResult resultValue = null;
MaterialComposition mc = elementM.IMaterialComposition();
MaterialComposition mc = elementM.MappedMaterialComposition(templateMaterials, true, prioritiseTemplate);

List<QuantityType> qts = elementM.GetQuantityType(mc);

qts = qts.Distinct().ToList();
List<QuantityType> qts = mc.Materials.Where(x => x != null).Select(x =>
{
var epd = x.Properties.OfType<EnvironmentalProductDeclaration>().FirstOrDefault();
if (epd != null)
return epd.QuantityType;
return QuantityType.Undefined;
}).Distinct().ToList();

foreach (QuantityType qt in qts)
{
Expand Down Expand Up @@ -115,8 +121,8 @@ public static LifeCycleAssessmentElementResult EvaluateEnvironmentalProductDecla
resultValue.EnvironmentalProductDeclaration = elementM.GetElementEpd(mc);
return resultValue;
}
/***************************************************/

/***************************************************/

}
}
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31 changes: 17 additions & 14 deletions LifeCycleAssessment_Engine/Compute/EvaluateEnvironmentalProductDeclarationByMass.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -51,7 +51,6 @@ private static EnvironmentalMetricResult EvaluateEnvironmentalProductDeclaration
{
double volume = elementM.ISolidVolume();
List<double> gwpByMaterial = new List<double>();
List<Material> matList = materialComposition.Materials.ToList();

List<double> epdVals = elementM.GetEvaluationValue(field, phases, QuantityType.Mass, materialComposition, exactMatch);
if (epdVals == null || epdVals.Where(x => !double.IsNaN(x)).Sum() <= 0)
Expand All @@ -60,27 +59,31 @@ private static EnvironmentalMetricResult EvaluateEnvironmentalProductDeclaration
return null;
}

for (int i = 0; i < matList.Count(); i++)
for (int i = 0; i < materialComposition.Materials.Count; i++)
{
double density;
List<EnvironmentalProductDeclaration> materialEPDs = matList[i].Properties.OfType<EnvironmentalProductDeclaration>().ToList();
List<EnvironmentalProductDeclaration> materialEPDs = materialComposition.Materials[i].Properties.OfType<EnvironmentalProductDeclaration>().ToList();
if (materialEPDs.Any(x => x.QuantityType == QuantityType.Mass))
{
double volumeOfMaterial = materialComposition.Ratios[i] * volume;
List<double> densityOfMassEpd = materialEPDs.Where(x => x.QuantityType == QuantityType.Mass).First().GetEPDDensity();
if (densityOfMassEpd == null || densityOfMassEpd.Count() == 0)
double density = materialComposition.Materials[i].Density;
if (double.IsNaN(density))
{
BH.Engine.Base.Compute.RecordError("Density could not be found. Add DensityFragment for all objects using Mass-based QuantityType EPDs.");
Engine.Base.Compute.RecordError($"Density of material {materialComposition.Materials[i].Name} is not set (NaN). Ensure all materials have densities assigned when computing {field} for mass-based {nameof(QuantityType)}s.");
return null;
}
else if (density == 0)
{
Engine.Base.Compute.RecordWarning($"Density of material {materialComposition.Materials[i].Name} is 0 and will lead to no contribution to the computation of {field}.");
gwpByMaterial.Add(0);
}
else
density = densityOfMassEpd[0];

double massOfObj = volumeOfMaterial * density;
if (double.IsNaN(epdVals[i]))
gwpByMaterial.Add(double.NaN);
else
gwpByMaterial.Add(epdVals[i] * massOfObj);
{
double massOfObj = volumeOfMaterial * density;
if (double.IsNaN(epdVals[i]))
gwpByMaterial.Add(double.NaN);
else
gwpByMaterial.Add(epdVals[i] * massOfObj);
}
}
}
ScopeType scope = BH.Engine.LifeCycleAssessment.Query.GetElementScope(elementM);
Expand Down