Detailed Description

Base class for OFT eigenvalue solvers.

Inheritance diagram for oft_eigsolver:

[legend]

Public Member Functions
procedure(eigsolver_apply), deferred	apply (self, u, alam)
	Solve Eigen-system.

procedure(eigsolver_delete), deferred	delete (self)
	Clean-up internal storage.

Public Attributes
class(oft_matrix), pointer	a => NULL()
	LHS matrix.

real(r8)	atol = 1.d-14
	Absolute convergence tolerance \( \|res\| < atol \).

integer(i4)	cits = 0
	Number of iteractions to convergence.

logical	initialized = .FALSE.
	Solver has been constructed.

integer(i4)	itplot =10
	Output frequency for iterative solvers when pm=.TRUE.

integer(i4)	its = -1
	Maximum iteration count.

class(oft_matrix), pointer	m => NULL()
	RHS matrix.

logical	pm = .FALSE.
	Performance monitor override.

class(oft_solver), pointer	pre => NULL()
	Preconditioner.

real(r8)	rtol = 1.d-14
	Relative convergence tolerance \( \|res\|/\|res_0\| < rtol \).

Member Function/Subroutine Documentation

◆ apply()

procedure(eigsolver_apply), deferred apply	(	class(oft_eigsolver), intent(inout)	self,
		class(oft_vector), intent(inout)	u,
		real(r8), intent(inout)	alam
	)

pure virtual

Solve Eigen-system.

Parameters

[in,out]	self	Solver object
[in,out]	u	Guess/Solution field
[in,out]	alam	Eigenvalue

◆ delete()

procedure(eigsolver_delete), deferred delete ( class(oft_eigsolver), intent(inout) self )

pure virtual

Clean-up internal storage.

Parameters

[in,out] self Solver object

Member Data Documentation

◆ a

class(oft_matrix), pointer a => NULL()

LHS matrix.

◆ atol

real(r8) atol = 1.d-14

Absolute convergence tolerance \( |res| < atol \).

◆ cits

integer(i4) cits = 0

Number of iteractions to convergence.

◆ initialized

logical initialized = .FALSE.

Solver has been constructed.

◆ itplot

integer(i4) itplot =10

Output frequency for iterative solvers when pm=.TRUE.

◆ its

integer(i4) its = -1

Maximum iteration count.

◆ m

class(oft_matrix), pointer m => NULL()

RHS matrix.

◆ pm

logical pm = .FALSE.

Performance monitor override.

◆ pre

class(oft_solver), pointer pre => NULL()

Preconditioner.

◆ rtol

real(r8) rtol = 1.d-14

Relative convergence tolerance \( |res|/|res_0| < rtol \).

The documentation for this type was generated from the following file:

/home/runner/work/OpenFUSIONToolkit/OpenFUSIONToolkit/src/lin_alg/solver_base.F90