public void CalculateReferenceHeightDueToNeighbouringStructuresTest_Success(
double highBuildingHeight, double distanceToBuilding, double expectedResult)
{
var referenceHeightDueToNeighbouringStructures =
new ReferenceHeightDueToNeighbouringStructures(
highBuildingWidth: 10,
highBuildingLength: 20,
highBuildingHeight,
distanceToBuilding
);
var result = referenceHeightDueToNeighbouringStructures.GetFactorAt(height: 15);
Assert.That(result, Is.EqualTo(expectedResult));
}
public void ExternalWindPressureForceCalculationsTest_Success()
{
//Arrange:
double heightAboveSeaLevel = 250;
double length = 30;
double width = 30;
double height = 10;
double curvature = 2;
WindZone windZone = WindZone.I;
double referenceHeight = height;
double actualLengthUpwindSlope = 70;
double actualLengthDownwindSlope = 10;
double effectiveFeatureHeight = 10;
double horizontalDistanceFromCrestTop = -7;
double windDirection = 0;
var building = new FlatRoof(
length, width, height, FlatRoof.Rotation.Degrees_0);
var orographyFactor = new HillRidgeOrography(
actualLengthUpwindSlope,
actualLengthDownwindSlope,
effectiveFeatureHeight,
horizontalDistanceFromCrestTop);
var terrain = new TerrainCategory0(orographyFactor);
var directionalFactor = new DirectionalFactor(windZone, windDirection);
var buildingSite = new BuildingSite(heightAboveSeaLevel, windZone, terrain,
directionalFactor: directionalFactor);
var referenceHeightDueToNeighbouringStructures =
new ReferenceHeightDueToNeighbouringStructures(
highBuildingWidth: 20, highBuildingLength: 100,
highBuildingHeight: 100, distanceToBuilding: 30);
var windLoadData = new WindLoadData(buildingSite, building,
referenceHeightDueToNeighbouringStructures: referenceHeightDueToNeighbouringStructures);
var flatRoofWindLoads = new FlatRoofWithCurvedEavesWindLoads(
building, windLoadData, curvature);
var structuralFactorCalculator = new StructuralFactorCalculator(
building, terrain, windLoadData, StructuralType.SteelBuilding);
var externalPressureWindForce =
new ExternalPressureWindForce(
windLoadData,
flatRoofWindLoads,
structuralFactorCalculator);
referenceHeight = windLoadData.GetReferenceHeightAt(referenceHeight);
//Act:
var resultMax = externalPressureWindForce.GetExternalPressureWindForceMaxAt(
referenceHeight, calculateStructuralFactor: true);
var resultMin = externalPressureWindForce.GetExternalPressureWindForceMinAt(
referenceHeight, calculateStructuralFactor: true);
//Assert:
Assert.Multiple(() =>
{
// e
Assert.That(building.EdgeDistance, Is.EqualTo(20));
// v_b,0
Assert.That(buildingSite.FundamentalValueBasicWindVelocity, Is.EqualTo(22).Within(0.01));
// c_dir
Assert.That(directionalFactor.GetFactor(), Is.EqualTo(0.8));
// v_b
Assert.That(buildingSite.BasicWindVelocity, Is.EqualTo(17.6).Within(0.01));
// z_e
// c_r(z_e)
Assert.That(terrain.GetRoughnessFactorAt(referenceHeight), Is.EqualTo(1.30).Within(0.01));
// c_0(z_e)
Assert.That(orographyFactor.GetFactorAt(referenceHeight), Is.EqualTo(1.17).Within(0.01));
// v_m(z_e)
Assert.That(windLoadData.GetMeanWindVelocityAt(referenceHeight),
Is.EqualTo(29.22).Within(0.01));
// I_v(z_e)
Assert.That(windLoadData.GetTurbulenceIntensityAt(referenceHeight),
Is.EqualTo(0.096).Within(0.001));
// q_p(z_e)
Assert.That(windLoadData.GetPeakVelocityPressureAt(referenceHeight),
Is.EqualTo(0.893).Within(0.001));
// c_sc_d
Assert.That(structuralFactorCalculator.GetStructuralFactor(true),
Is.EqualTo(1).Within(0.001));
Assert.That(resultMax[Field.F], Is.EqualTo(-0.446).Within(0.001));
Assert.That(resultMax[Field.G], Is.EqualTo(-0.446).Within(0.001));
Assert.That(resultMax[Field.H], Is.EqualTo(-0.268).Within(0.001));
Assert.That(resultMax[Field.I], Is.EqualTo(0.179).Within(0.001));
Assert.That(resultMin[Field.F], Is.EqualTo(-0.446).Within(0.001));
Assert.That(resultMin[Field.G], Is.EqualTo(-0.446).Within(0.001));
Assert.That(resultMin[Field.H], Is.EqualTo(-0.268).Within(0.001));
Assert.That(resultMin[Field.I], Is.EqualTo(-0.179).Within(0.001));
});
}
