public void Calculate_DisplacementVector_SmallNumberOfDegreesOfFreedom_Success()
{
Mock <IStiffnessMatrix> stiffnessMatrix = new Mock <IStiffnessMatrix>();
stiffnessMatrix.Setup(sm => sm.Size).Returns(6);
Mock <ISpan> span = new Mock <ISpan>();
SetUpSpan(span);
VectorAdapter deflectionVector = SetUpDeflectionVector();
var spanCalculationEngine = new SpanCalculationEngine(span.Object, stiffnessMatrix.Object);
spanCalculationEngine.CalculateDisplacement(deflectionVector, numberOfDegreesOfFreedom: 0);
Assert.That(spanCalculationEngine.Displacements[0], Is.EqualTo(0));
Assert.That(spanCalculationEngine.Displacements[1], Is.EqualTo(0));
Assert.That(spanCalculationEngine.Displacements[2], Is.EqualTo(0));
Assert.That(spanCalculationEngine.Displacements[3], Is.EqualTo(0));
Assert.That(spanCalculationEngine.Displacements[4], Is.EqualTo(0));
Assert.That(spanCalculationEngine.Displacements[5], Is.EqualTo(0));
Assert.That(span.Object.LeftNode.HorizontalDeflection.Value, Is.EqualTo(0));
Assert.That(span.Object.LeftNode.VerticalDeflection.Value, Is.EqualTo(0));
Assert.That(span.Object.LeftNode.RightRotation.Value, Is.EqualTo(0));
Assert.That(span.Object.RightNode.HorizontalDeflection.Value, Is.EqualTo(0));
Assert.That(span.Object.RightNode.VerticalDeflection.Value, Is.EqualTo(0));
Assert.That(span.Object.RightNode.LeftRotation.Value, Is.EqualTo(0));
Assert.That(span.Object.LeftNode.LeftRotation, Is.Null);
Assert.That(span.Object.RightNode.RightRotation, Is.Null);
}
public void CalculateSpanLoadVector()
{
if (_span.IncludeSelfWeight)
{
AddSelfWeightLoad();
}
LoadVector = VectorAdapter.Create(StiffnessMatrix.Size);
LoadVector[0] = SetNormalForceLoadVector(isLeftNode: true);
LoadVector[1] = SetShearForceLoadVector(isLeftNode: true);
LoadVector[2] = SetBendingMomentForceLoadVector(isLeftNode: true);
LoadVector[3] = SetNormalForceLoadVector(isLeftNode: false);
LoadVector[4] = SetShearForceLoadVector(isLeftNode: false);
LoadVector[5] = SetBendingMomentForceLoadVector(isLeftNode: false);
if (_span.LeftNode.Angle != 0)
{
SetLoadVectorsWithAngle(isLeftNode: true);
}
if (_span.RightNode.Angle != 0)
{
SetLoadVectorsWithAngle(isLeftNode: false);
}
}
private void CalculateDisplacementVector(VectorAdapter deflectionVector, int numberOfDegreesOfFreedom)
{
Displacements = VectorAdapter.Create(StiffnessMatrix.Size);
if (_span.LeftNode.HorizontalMovementNumber < numberOfDegreesOfFreedom)
{
Displacements[0] = deflectionVector[_span.LeftNode.HorizontalMovementNumber];
}
if (_span.LeftNode.VerticalMovementNumber < numberOfDegreesOfFreedom)
{
Displacements[1] = deflectionVector[_span.LeftNode.VerticalMovementNumber];
}
if (_span.LeftNode.RightRotationNumber < numberOfDegreesOfFreedom)
{
Displacements[2] = deflectionVector[_span.LeftNode.RightRotationNumber];
}
if (_span.RightNode.HorizontalMovementNumber < numberOfDegreesOfFreedom)
{
Displacements[3] = deflectionVector[_span.RightNode.HorizontalMovementNumber];
}
if (_span.RightNode.VerticalMovementNumber < numberOfDegreesOfFreedom)
{
Displacements[4] = deflectionVector[_span.RightNode.VerticalMovementNumber];
}
if (_span.RightNode.LeftRotationNumber < numberOfDegreesOfFreedom)
{
Displacements[5] = deflectionVector[_span.RightNode.LeftRotationNumber];
}
}
private static VectorAdapter SetUpDeflectionVector()
{
var deflectionVector = VectorAdapter.Create(8);
deflectionVector[0] = 1;
deflectionVector[1] = 2;
deflectionVector[2] = 3;
deflectionVector[3] = 4;
deflectionVector[4] = 5;
deflectionVector[5] = 6;
deflectionVector[6] = 7;
deflectionVector[7] = 8;
return(deflectionVector);
}
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));
}
public void CalculateForce(VectorAdapter loadVector, VectorAdapter displacements)
{
Forces = StiffnessMatrix.Matrix.Multiply(displacements).Add(loadVector);
}
public void CalculateDisplacement(VectorAdapter deflectionVector, int numberOfDegreesOfFreedom)
{
CalculateDisplacementVector(deflectionVector, numberOfDegreesOfFreedom);
SetDisplacement();
}
