public void DetailedAssessmentDirectFailureMechanismsFromProbabilityWithNValueReturnsCorrectResult(double probability, double nValue, FailureMechanismSectionCategoryGroup expectedCategoryGroup, double expectedProbabilityWithoutNMultiplication)
{
var categories = new[]
{
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.Iv, (Probability)0, (Probability)0.1),
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.IIv, (Probability)0.1, (Probability)0.2),
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.IIIv, (Probability)0.2, (Probability)0.3),
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.IVv, (Probability)0.3, (Probability)0.4),
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.Vv, (Probability)0.4, (Probability)0.5),
new FailureMechanismSectionCategory(FailureMechanismSectionCategoryGroup.VIv, (Probability)0.5, (Probability)1),
};
var input = new DetailedCalculationInputFromProbabilityWithLengthEffect((Probability)probability, categories, nValue);
var calculationOutput = new FailureMechanismSectionAssemblyCalculator().DetailedAssessmentDirectFailureMechanisms(input);
Assert.IsNotNull(calculationOutput);
var expectedProbability = expectedProbabilityWithoutNMultiplication * nValue;
if (expectedProbability > 1)
{
Assert.AreEqual(1, calculationOutput.WarningMessages.Length);
Assert.AreEqual(WarningMessage.CorrectedProbability, calculationOutput.WarningMessages[0]);
}
else
{
Assert.IsEmpty(calculationOutput.WarningMessages);
}
Assert.IsNotNull(calculationOutput.Result);
Assert.AreEqual(expectedCategoryGroup, calculationOutput.Result.CategoryGroup);
Assert.AreEqual(Math.Min(1, expectedProbability), calculationOutput.Result.EstimatedProbabilityOfFailure);
}
public CalculationOutput <FailureMechanismSectionAssemblyCategoryResult> DetailedAssessmentDirectFailureMechanisms(DetailedCalculationInputFromProbabilityWithLengthEffect input)
{
if (input == null)
{
throw new AssemblyToolKernelException(ErrorCode.InputIsNull);
}
if (double.IsNaN(input.Probability))
{
return(new CalculationOutput <FailureMechanismSectionAssemblyCategoryResult>(new FailureMechanismSectionAssemblyCategoryResult(FailureMechanismSectionCategoryGroup.None, Probability.NaN)));
}
var warnings = new List <WarningMessage>();
var result = DetailedAssessmentDirectFailureMechanisms(new DetailedCalculationInputFromProbability(input.Probability, input.Categories));
var adjustedProbability = (double)result.Result.EstimatedProbabilityOfFailure * input.NValue;
if (adjustedProbability > 1.0)
{
warnings.Add(WarningMessage.CorrectedProbability);
}
var estimatedProbabilityOfFailure = (Probability)Math.Min(1.0, adjustedProbability);
return(new CalculationOutput <FailureMechanismSectionAssemblyCategoryResult>(new FailureMechanismSectionAssemblyCategoryResult(result.Result.CategoryGroup, estimatedProbabilityOfFailure), warnings.ToArray()));
}
