/// <summary>
/// Initializes a new instance of the <see cref="LossyDielectricFactor"/> class.
/// </summary>
/// <param name="medium">The medium.</param>
/// <param name="timeStep">The time step.</param>
public LossyDielectricFactor(LossyDielectric medium, double timeStep) : base(medium)
{
this.Displacement = 1.0 /
(medium.Epsilon + (medium.Conductivity * timeStep / Fundamentals.ElectricConst));
this.Electric = medium.Conductivity * timeStep / Fundamentals.ElectricConst;
}
public void GetPermittivity_Default_ReturnsOne()
{
// Arrange
var parameter = new SpectrumUnit(300e-9, SpectrumUnitType.WaveLength);
var target = new LossyDielectric();
// Act
Complex result = target.GetPermittivity(parameter);
// Assert
Assert.AreEqual(Complex.One, result);
}
public void GetPermittivity_SetEpsilon_ReturnsOne()
{
// Arrange
const double RelativePermittivity = 5.0;
var parameter = new SpectrumUnit(300e-9, SpectrumUnitType.WaveLength);
var target = new LossyDielectric {
Epsilon = RelativePermittivity
};
// Act
Complex result = target.GetPermittivity(parameter);
// Assert
Assert.AreEqual(RelativePermittivity, result);
}
public void GetPermittivity_SetEpsilonAndConduct_ReturnsOne()
{
// Arrange
const double RelativePermittivity = 5.0;
const double Conductivity = 5.0;
var parameter = new SpectrumUnit(300e-9, SpectrumUnitType.WaveLength);
var target = new LossyDielectric
{
Epsilon = RelativePermittivity,
Conductivity = Conductivity
};
// Act
Complex result = target.GetPermittivity(parameter);
// Assert
Assert.AreEqual(RelativePermittivity, result.Real);
Assert.IsTrue(result.Imaginary < 0);
}
