private void CalculateTransformationMatrix()
{
_transformationMatrix = MatrixAdapter.Create(Size, Size);
double leftAngle = _span.LeftNode.Angle * Math.PI / 180;
double rightAngle = _span.RightNode.Angle * Math.PI / 180;
_transformationMatrix[0, 0] = Math.Cos(leftAngle);
_transformationMatrix[0, 1] = -Math.Sin(leftAngle);
_transformationMatrix[1, 0] = Math.Sin(leftAngle);
_transformationMatrix[1, 1] = Math.Cos(leftAngle);
_transformationMatrix[2, 2] = 1;
_transformationMatrix[3, 3] = Math.Cos(rightAngle);
_transformationMatrix[3, 4] = -Math.Sin(rightAngle);
_transformationMatrix[4, 3] = Math.Sin(rightAngle);
_transformationMatrix[4, 4] = Math.Cos(rightAngle);
_transformationMatrix[5, 5] = 1;
}
private void SetMatrix()
{
Matrix = MatrixAdapter.Create(Size, Size);
int i = 0;
int j = 0;
foreach (var position in MatrixOfPositions)
{
Matrix[j, i] = position.Value;
i++;
if (i % Size == 0)
{
j++;
i = 0;
}
}
}
public void SpanCalculate_Force_Success()
{
Mock <IStiffnessMatrix> stiffnessMatrix = new Mock <IStiffnessMatrix>();
stiffnessMatrix.Setup(sm => sm.Matrix)
.Returns(MatrixAdapter.Create(rows: 2, columns: 2, values: new double[4] {
1, 2, 3, 4
}));
Mock <ISpan> span = new Mock <ISpan>();
var spanCalculationEngine = new SpanCalculationEngine(span.Object, stiffnessMatrix.Object);
var loadVector = VectorAdapter.Create(values: new double[2] {
2, 1
});
var displacements = VectorAdapter.Create(values: new double[2] {
1, 3
});
spanCalculationEngine.CalculateForce(loadVector, displacements);
Assert.That(spanCalculationEngine.Forces[0], Is.EqualTo(12));
Assert.That(spanCalculationEngine.Forces[1], Is.EqualTo(15));
}
