dolfin::ODE Class Reference

#include <ODE.h>

Inheritance diagram for dolfin::ODE:

[legend]Collaboration diagram for dolfin::ODE:

[legend]List of all members.

Public Member Functions
	ODE (unsigned int N)
	Constructor.
virtual	~ODE ()
	Destructor.
virtual real	u0 (unsigned int i)=0
	Initial value.
virtual real	f (const Vector &u, real t, unsigned int i)=0
	Right-hand side.
virtual Element::Type	method (unsigned int i)
	Method to use for given component (optional).
virtual unsigned int	order (unsigned int i)
	Order to use for given component (optional).
virtual real	timestep (unsigned int i)
	Time step to use for given component (optional).
virtual void	update (RHS &f, Function &u, real t)
	Update ODE (optional).
virtual void	update (Solution &u, Adaptivity &adaptivity, real t)
	Update ODE (optional).
virtual void	save (Sample &sample)
	Save sample (optional).
unsigned int	size () const
	Number of components N.
real	endtime () const
	End time (final time).
void	solve ()
	Solve ODE.
void	solve (Function &u)
	Solve ODE.
void	solve (Function &u, Function &phi)
	Solve ODE.
void	sparse ()
	Automatically detect sparsity.
void	sparse (const Matrix &A)
	Compute sparsity from given matrix.
Protected Attributes
unsigned int	N
real	T
Sparsity	sparsity
Friends
class	Dual
	Friends.
class	RHS
class	ReducedModel

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Detailed Description

A ODE represents an initial value problem of the form

u'(t) = f(u(t),t) on (0,T],

u(0) = u0,

where u(t) is a vector of length N.

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Constructor & Destructor Documentation

ODE::ODE (  unsigned int  N  )

Constructor.

ODE::~ODE (   )  [virtual]

Destructor.

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Member Function Documentation

real ODE::endtime (   )  const

End time (final time).

virtual real dolfin::ODE::f (  const Vector &  u, real  t, unsigned int  i )  [pure virtual]

Right-hand side. Implemented in Bistable, Lorenz, Single, Harmonic, SpringSystem, TestProblem, TestProblem1, TestProblem2, TestProblem3, TestProblem4, TestProblem5, TestProblem6, TestProblem7, TestProblem8, TestProblem9, Single, Harmonic, SpringSystem, dolfin::Dual, dolfin::ParticleSystem, and dolfin::ReducedModel.

Element::Type ODE::method (  unsigned int  i  )  [virtual]

Method to use for given component (optional). Reimplemented in TestProblem9, and dolfin::ReducedModel.

unsigned int ODE::order (  unsigned int  i  )  [virtual]

Order to use for given component (optional). Reimplemented in TestProblem9, and dolfin::ReducedModel.

void ODE::save (  Sample &  sample  )  [virtual]

Save sample (optional). Reimplemented in Bistable, and dolfin::ReducedModel.

unsigned int ODE::size (   )  const

Number of components N.

void ODE::solve (  Function &  u, Function &  phi )

Solve ODE.

void ODE::solve (  Function &  u  )

Solve ODE.

void ODE::solve (   )

Solve ODE.

void ODE::sparse (  const Matrix &  A  )

Compute sparsity from given matrix.

void ODE::sparse (   )

Automatically detect sparsity.

real ODE::timestep (  unsigned int  i  )  [virtual]

Time step to use for given component (optional). Reimplemented in Benchmark, and dolfin::ReducedModel.

virtual real dolfin::ODE::u0 (  unsigned int  i  )  [pure virtual]

Initial value. Implemented in Bistable, Lorenz, Single, Harmonic, SpringSystem, TestProblem, TestProblem1, TestProblem2, TestProblem3, TestProblem4, TestProblem5, TestProblem6, TestProblem7, TestProblem8, TestProblem9, Single, Harmonic, SpringSystem, dolfin::Dual, dolfin::ParticleSystem, and dolfin::ReducedModel.

void ODE::update (  Solution &  u, Adaptivity &  adaptivity, real  t )  [virtual]

Update ODE (optional). Reimplemented in dolfin::ReducedModel.

void ODE::update (  RHS &  f, Function &  u, real  t )  [virtual]

Update ODE (optional). Reimplemented in dolfin::ReducedModel.

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Friends And Related Function Documentation

friend class Dual [friend]

Friends.

friend class ReducedModel [friend]

friend class RHS [friend]

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Member Data Documentation

unsigned int dolfin::ODE::N [protected]

Sparsity dolfin::ODE::sparsity [protected]

real dolfin::ODE::T [protected]

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The documentation for this class was generated from the following files:

• ODE.h
• ODE.cpp

Documentation automatically generated with Doxygen on 10 Sep 2004.