public SATModel(double t0, double t1, double h, KeplerElements elements)
{
this.t0 = t0;
this.t1 = t1;
SamplingIncrement = h;
gsX0 = Converter.OscToVec(elements);
}
public static TMatrix TransformMatrix(KeplerElements elements)
{
var A = new double[3, 3];
var u = elements.оmega + elements.v;
A[0, 0] = Math.Cos(u) * Math.Cos(elements.lgNode) - Math.Sin(u) * Math.Sin(elements.lgNode) * Math.Cos(elements.i);
A[0, 1] = -Math.Sin(u) * Math.Cos(elements.lgNode) - Math.Cos(u) * Math.Sin(elements.lgNode) * Math.Cos(elements.i);
A[0, 2] = Math.Sin(elements.lgNode) * Math.Sin(elements.i);
A[1, 0] = Math.Cos(u) * Math.Sin(elements.lgNode) + Math.Sin(u) * Math.Cos(elements.lgNode) * Math.Cos(elements.i);
A[1, 1] = -Math.Sin(u) * Math.Sin(elements.lgNode) + Math.Cos(u) * Math.Cos(elements.lgNode) * Math.Cos(elements.i);
A[1, 2] = -Math.Cos(elements.lgNode) * Math.Sin(elements.i);
A[2, 0] = Math.Sin(u) * Math.Sin(elements.i);
A[2, 1] = Math.Cos(u) * Math.Sin(elements.i);
A[2, 2] = Math.Cos(elements.i);
return(new TMatrix(A));
}
public static TVector OscToVec(KeplerElements elements)
{
var A = TransformMatrix(elements);
var p = elements.a * (1 - Math.Pow(elements.ecc, 2));
TVector bufR = new TVector(new double[] {
p / (1 + elements.ecc * Math.Cos(elements.v))
, 0
, 0
});
TVector bufV = new TVector(new double[] {
Math.Sqrt(mu / p) * elements.ecc * Math.Sin(elements.v)
, Math.Sqrt(mu / p) * (1 + elements.ecc * Math.Cos(elements.v))
, 0
});
var r = A * bufR;
var v = A * bufV;
return(new TVector(r.Vector.Concat(v.Vector).ToArray()));
}
private void buttonRun_Click(object sender, EventArgs e)
{
double time = Double.Parse(textBoxTime.Text);
double dt = Double.Parse(textBoxDt.Text);
Func <double, double> gradtorad = grad => grad * Math.PI / 180;
KeplerElements InitElement;
switch (modelBox.SelectedIndex)
{
case 0:
model = new EarthModel(0, time, dt);
break;
case 1:
model = new MoonModel(0, time, dt);
break;
case 2:
InitElement = new KeplerElements(Double.Parse(textSemiMajorAxis.Text),
Double.Parse(textBoxEcc.Text),
gradtorad(Double.Parse(textBoxArgPer.Text)),
gradtorad(Double.Parse(textBoxTrueAnomaly.Text)),
gradtorad(Double.Parse(textBoxInclination.Text)),
gradtorad(Double.Parse(textBoxAscNode.Text)));
model = new SATModel(0, time, dt, InitElement);
break;
case 3:
model = new TestModel(0, time, dt);
break;
case 4:
InitElement = new KeplerElements(Double.Parse(textSemiMajorAxis.Text),
Double.Parse(textBoxEcc.Text),
gradtorad(Double.Parse(textBoxArgPer.Text)),
gradtorad(Double.Parse(textBoxTrueAnomaly.Text)),
gradtorad(Double.Parse(textBoxInclination.Text)),
gradtorad(Double.Parse(textBoxAscNode.Text)));
model = new SATModel(0, time, dt, InitElement);
break;
}
TIntegrator integrator = null;
switch (integratorBox.SelectedIndex)
{
case 0:
integrator = new Eiler();
break;
case 1:
integrator = new RungeKutta();
break;
case 2:
integrator = new TDormanPrince();
break;
default:
integrator = new TDormanPrince();
break;
}
if (modelBox.SelectedIndex == 4)
{
Model modelWithDec = null;
if (checkBoxSolar.Checked)
{
modelWithDec = new SolarDecorator(model, 0, time, dt);
}
if (checkBoxLunar.Checked)
{
modelWithDec = new LunarDecorator(model, 0, time, dt);
}
integrator.Run(modelWithDec);
modelWithDec.CloseFile();
boxAxisY.Items.AddRange(new string[] { "dx", "dy", "dz" });
}
else
{
if (checkBoxSolar.Checked)
{
model = new SolarDecorator(model, 0, time, dt);
}
if (checkBoxLunar.Checked)
{
model = new LunarDecorator(model, 0, time, dt);
}
}
integrator.Run(model);
model.CloseFile();
UpdateComboBox();
}
