Nektar::FrameTransform Class Reference

#include <RigidSolver.h>

Public Member Functions
	FrameTransform ()
	~FrameTransform ()
void	SetAngle (const Array< OneD, NekDouble > theta)
void	BodyToInerital (const int dim, const Array< OneD, NekDouble > &body, Array< OneD, NekDouble > &inertial)
void	IneritalToBody (const int dim, const Array< OneD, NekDouble > &inertial, Array< OneD, NekDouble > &body)

Private Attributes
Array< OneD, NekDouble >	m_matrix

Detailed Description

Definition at line 91 of file RigidSolver.h.

Constructor & Destructor Documentation

FrameTransform()

Nektar::FrameTransform::FrameTransform

(

)

Definition at line 1229 of file RigidSolver.cpp.

{
    m_matrix = Array<OneD, NekDouble>(2, 0.);
}

References m_matrix.

~FrameTransform()

Nektar::FrameTransform::~FrameTransform ( )

inline

Definition at line 95 of file RigidSolver.h.

{};

Member Function Documentation

BodyToInerital()

void Nektar::FrameTransform::BodyToInerital	(	const int	dim,
		const Array< OneD, NekDouble > &	body,
		Array< OneD, NekDouble > &	inertial
	)

Definition at line 1240 of file RigidSolver.cpp.

{
    NekDouble xi = body[0], eta = body[1];
    inertial[0] = xi * m_matrix[0] - eta * m_matrix[1];
    inertial[1] = eta * m_matrix[0] + xi * m_matrix[1];
    if (body != inertial && dim > 2)
    {
        for (int i = 2; i < dim; ++i)
        {
            inertial[i] = body[i];
        }
    }
}

References m_matrix.

Referenced by Nektar::RigidSolver::SetInitialConditions(), and Nektar::RigidSolver::UpdateFrameVelocity().

IneritalToBody()

void Nektar::FrameTransform::IneritalToBody	(	const int	dim,
		const Array< OneD, NekDouble > &	inertial,
		Array< OneD, NekDouble > &	body
	)

Definition at line 1256 of file RigidSolver.cpp.

{
    NekDouble x = inertial[0], y = inertial[1];
    body[0] = x * m_matrix[0] + y * m_matrix[1];
    body[1] = y * m_matrix[0] - x * m_matrix[1];
    if (body != inertial && dim > 2)
    {
        for (int i = 2; i < dim; ++i)
        {
            body[i] = inertial[i];
        }
    }
}

References m_matrix.

Referenced by Nektar::RigidSolver::SolveBodyFrame(), and Nektar::RigidSolver::SolveRotOneFree().

SetAngle()

void Nektar::FrameTransform::SetAngle

(

const Array< OneD, NekDouble >

theta

)

Definition at line 1234 of file RigidSolver.cpp.

{
    m_matrix[0] = cos(theta[2]);
    m_matrix[1] = sin(theta[2]);
}

References m_matrix.

Referenced by Nektar::RigidSolver::SetInitialConditions(), Nektar::RigidSolver::SolveBodyFrame(), Nektar::RigidSolver::SolveRotOneFree(), and Nektar::RigidSolver::UpdateFrameVelocity().

Member Data Documentation

m_matrix

Array<OneD, NekDouble> Nektar::FrameTransform::m_matrix

private

Definition at line 103 of file RigidSolver.h.

Referenced by BodyToInerital(), FrameTransform(), IneritalToBody(), and SetAngle().