time_integrator Module

Uses

- field

Contents

Abstract Interfaces

integrate_proc

Derived Types

time_integrator_type euler_integrator_type AB2_integrator_type RK3_integrator_type

Functions

euler_timestep

Subroutines

integrate_euler integrate_AB2 integrate_RK3 AB2_timestep

Abstract Interfaces

abstract interface

public subroutine integrate_proc(self, afield)

Arguments

Type	Intent	Optional	Attributes		Name
class(time_integrator_type),	intent(in)			::	self
class(field_type),	intent(inout),		allocatable	::	afield

Derived Types

type, public :: time_integrator_type

Components

Type	Visibility	Attributes		Name		Initial
real,	public		::	starttime
real,	public		::	endtime
real,	public		::	dt

Type-Bound Procedures

procedure (integrate_proc) , public :: integrate

type, public, extends(time_integrator_type) :: euler_integrator_type

Components

Type	Visibility	Attributes		Name		Initial
real,	public		::	starttime
real,	public		::	endtime
real,	public		::	dt
real,	public		::	alpha	=	1.

Type-Bound Procedures

procedure , public :: integrate => integrate_euler Subroutine

type, public, extends(time_integrator_type) :: AB2_integrator_type

Components

Type	Visibility	Attributes		Name		Initial
real,	public		::	starttime
real,	public		::	endtime
real,	public		::	dt

Type-Bound Procedures

procedure , public :: integrate => integrate_AB2 Subroutine

type, public, extends(time_integrator_type) :: RK3_integrator_type

Components

Type	Visibility	Attributes		Name		Initial
real,	public		::	starttime
real,	public		::	endtime
real,	public		::	dt

Type-Bound Procedures

procedure , public :: integrate => integrate_RK3 Subroutine

Functions

public pure function euler_timestep(afield, dt) result(res)

Arguments

Type	Intent	Optional	Attributes		Name
class(field_type),	intent(in)			::	afield
real,	intent(in)			::	dt

Return Value class(field_type), allocatable

Subroutines

public subroutine integrate_euler(self, afield)

Arguments

Type	Intent	Optional	Attributes		Name
class(euler_integrator_type),	intent(in)			::	self
class(field_type),	intent(inout),		allocatable	::	afield

public subroutine integrate_AB2(self, afield)

Arguments

Type	Intent	Optional	Attributes		Name
class(AB2_integrator_type),	intent(in)			::	self
class(field_type),	intent(inout),		allocatable	::	afield

public subroutine integrate_RK3(self, afield)

Arguments

Type	Intent	Optional	Attributes		Name
class(RK3_integrator_type),	intent(in)			::	self
class(field_type),	intent(inout),		allocatable	::	afield

public subroutine AB2_timestep(f1, f2, dt)

Arguments

Type	Intent	Optional	Attributes		Name
class(field_type),	intent(inout),		allocatable	::	f1
class(field_type),	intent(inout),		allocatable	::	f2
real,	intent(in)			::	dt