ode_lin_1s_mod Module Reference

ONE-STEP SOLVERS FOR LINEAR ODEs More...

Functions/Subroutines
logical function, public	check_ode_method_lin_1s (method)
	is 'method' a one-step linear ODE solver ? More...
subroutine, public	memsize_ode_lin_1s (n_V, method)
	required sizes to allocate memory More...
subroutine, public	set_solver_ode_lin_1s (slv, method)
	Setting the solver for diffusion. More...
subroutine, public	create_ode_lin_1s_sol (sol, pb, method)
	allocate memory for the ode_solution structure 'sol' More...
subroutine, public	solve_ode_lin_1s (sol, pb, t0, T, dt, method, out, Kinv, kry)
	solve with constant time-step More...
subroutine	lin_1s_be (sol, ierr, dt, pb, KInv)
	BacWard Euler. More...
subroutine	lin_1s_cn (sol, ierr, dt, pb, KInv)
	Crank - Nicolson. More...
subroutine	lin_1s_sdirk4 (sol, ierr, dt, pb, KInv)
	SDIRK4 HAIRER II p. 100. More...

Detailed Description

ONE-STEP SOLVERS FOR LINEAR ODEs

One step solvers for ODE_PB_LIN, see ode_problem_mod detailed description.

Author

Charles Pierre

Function/Subroutine Documentation

check_ode_method_lin_1s()

logical function, public ode_lin_1s_mod::check_ode_method_lin_1s

(

integer, intent(in)

method

)

is 'method' a one-step linear ODE solver ?

Definition at line 37 of file ode_Lin_1s_mod.f90.

create_ode_lin_1s_sol()

subroutine, public ode_lin_1s_mod::create_ode_lin_1s_sol	(	type(ode_solution), intent(inout)	sol,
		type(ode_problem), intent(in)	pb,
		integer, intent(in)	method
	)

allocate memory for the ode_solution structure 'sol'

Definition at line 102 of file ode_Lin_1s_mod.f90.

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lin_1s_be()

subroutine ode_lin_1s_mod::lin_1s_be ( type(ode_solution), intent(inout)  sol, logical, intent(out)  ierr, real(rp), intent(in)  dt, type(ode_problem), intent(in)  pb, procedure(linsystem_solver)  KInv  )

private

BacWard Euler.

Definition at line 227 of file ode_Lin_1s_mod.f90.

lin_1s_cn()

subroutine ode_lin_1s_mod::lin_1s_cn ( type(ode_solution), intent(inout)  sol, logical, intent(out)  ierr, real(rp), intent(in)  dt, type(ode_problem), intent(in)  pb, procedure(linsystem_solver)  KInv  )

private

Crank - Nicolson.

Definition at line 242 of file ode_Lin_1s_mod.f90.

lin_1s_sdirk4()

subroutine ode_lin_1s_mod::lin_1s_sdirk4 ( type(ode_solution), intent(inout)  sol, logical, intent(out)  ierr, real(rp), intent(in)  dt, type(ode_problem), intent(in)  pb, procedure(linsystem_solver)  KInv  )

private

SDIRK4 HAIRER II p. 100.

Definition at line 260 of file ode_Lin_1s_mod.f90.

memsize_ode_lin_1s()

subroutine, public ode_lin_1s_mod::memsize_ode_lin_1s	(	integer, intent(out)	n_V,
		integer, intent(in)	method
	)

required sizes to allocate memory

returns nV depending on the method

• n_V = required size for V

Definition at line 58 of file ode_Lin_1s_mod.f90.

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set_solver_ode_lin_1s()

subroutine, public ode_lin_1s_mod::set_solver_ode_lin_1s	(	procedure(ode_lin_solver), pointer	slv,
		integer, intent(in)	method
	)

Setting the solver for diffusion.

Definition at line 80 of file ode_Lin_1s_mod.f90.

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solve_ode_lin_1s()

subroutine, public ode_lin_1s_mod::solve_ode_lin_1s	(	type(ode_solution), intent(inout)	sol,
		type(ode_problem), intent(in)	pb,
		real(rp), intent(in)	t0,
		real(rp), intent(in)	T,
		real(rp), intent(in)	dt,
		integer, intent(in)	method,
		procedure(ode_output_proc)	out,
		procedure(linsystem_solver), optional	Kinv,
		type(krylov), optional	kry
	)

solve with constant time-step

Definition at line 123 of file ode_Lin_1s_mod.f90.

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