protected override KeyedVector <NodalDegreeOfFreedom> Solve(StiffnessMatrix stiffnessMatrix, KeyedVector <NodalDegreeOfFreedom> forceVector)
{
KeyedSquareMatrix <NodalDegreeOfFreedom> inverse = stiffnessMatrix.Inverse();
KeyedVector <NodalDegreeOfFreedom> solution = inverse.Multiply(forceVector);
return(solution);
}
public CartesianPoint ConvertLocalCoordinatesToGlobalCoordinates(CartesianPoint localPoint)
{
KeyedSquareMatrix <DegreeOfFreedom> rotationMatrix = CalculateElementRotationMatrix().Transpose();
CartesianPoint globalCoordRelativeToLocalOrigin = new CartesianPoint(rotationMatrix.Multiply(localPoint));
GeometricVector globalCoord = globalCoordRelativeToLocalOrigin.Add(this.LocalOrigin);
return(new CartesianPoint(globalCoord));
}
public CartesianPoint ConvertGlobalCoordinatesToLocalCoordinates(CartesianPoint globalPoint)
{
GeometricVector localCoordRelativeToLocalOrigin = globalPoint.Subtract(this.LocalOrigin);
KeyedSquareMatrix <DegreeOfFreedom> rotationMatrix = CalculateElementRotationMatrix();
CartesianPoint localCoord = new CartesianPoint(rotationMatrix.Multiply(localCoordRelativeToLocalOrigin));
return(new CartesianPoint(localCoord));
}
