viscous_regularization.f90

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module viscous_regularization
  use num_types, only : rp
  use json_module, only : json_file
  use field, only : field_t
  use coefs, only : coef_t
  use dofmap, only : dofmap_t
  use time_state, only : time_state_t
  implicit none
  private
 
  type, abstract, public :: viscous_regularization_t
     type(field_t), pointer :: reg_coeff => null()
     character(len=:), allocatable :: reg_coeff_name
     type(coef_t), pointer :: coef => null()
     type(dofmap_t), pointer :: dof => null()
   contains
     procedure, pass(this) :: init_base => viscous_regularization_init_base
     procedure, pass(this) :: free_base => viscous_regularization_free_base
     procedure(reg_init), pass(this), deferred :: init
     procedure(reg_free), pass(this), deferred :: free
     procedure(reg_update), pass(this), deferred :: update
  end type viscous_regularization_t
 
  abstract interface
 
     subroutine reg_init(this, json, coef, dof)
       import viscous_regularization_t, json_file, coef_t, dofmap_t, field_t
       class(viscous_regularization_t), intent(inout) :: this
       type(json_file), intent(inout) :: json
       type(coef_t), intent(in), target :: coef
       type(dofmap_t), intent(in), target :: dof
     end subroutine reg_init
  end interface
 
  abstract interface
 
     subroutine reg_free(this)
       import viscous_regularization_t
       class(viscous_regularization_t), intent(inout) :: this
     end subroutine reg_free
  end interface
 
  abstract interface
 
     subroutine reg_update(this, effective_visc, mu)
       import viscous_regularization_t, field_t
       class(viscous_regularization_t), intent(inout) :: this
       type(field_t), intent(inout) :: effective_visc
       type(field_t), intent(in), optional :: mu
     end subroutine reg_update
  end interface
 
  interface
 
     module subroutine viscous_regularization_factory(object, type_name, json, &
          coef, dof)
       class(viscous_regularization_t), allocatable, intent(inout) :: object
       character(len=*), intent(in) :: type_name
       type(json_file), intent(inout) :: json
       type(coef_t), intent(in), target :: coef
       type(dofmap_t), intent(in), target :: dof
     end subroutine viscous_regularization_factory
  end interface
 
  public :: viscous_regularization_factory
 
contains
 
  subroutine viscous_regularization_init_base(this, json, coef, dof)
    class(viscous_regularization_t), intent(inout) :: this
    type(json_file), intent(inout) :: json
    type(coef_t), intent(in), target :: coef
    type(dofmap_t), intent(in), target :: dof
 
    this%coef => coef
    this%dof => dof
 
  end subroutine viscous_regularization_init_base
 
  subroutine viscous_regularization_free_base(this)
    class(viscous_regularization_t), intent(inout) :: this
 
    nullify(this%reg_coeff)
    if (allocated(this%reg_coeff_name)) deallocate(this%reg_coeff_name)
    nullify(this%coef)
    nullify(this%dof)
 
  end subroutine viscous_regularization_free_base
 
end module viscous_regularization