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Neko 0.9.1
A portable framework for high-order spectral element flow simulations
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smagorinsky.f90
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36 use num_types, only : rp
37 use field, only : field_t
38 use les_model, only : les_model_t
39 use dofmap , only : dofmap_t
41 use json_module, only : json_file
42 use utils, only : neko_error
45 use coefs, only : coef_t
46 implicit none
47 private
48
51 type, public, extends(les_model_t) :: smagorinsky_t
53 real(kind=rp) :: c_s
54 contains
56 procedure, pass(this) :: init => smagorinsky_init
58 procedure, pass(this) :: init_from_components => &
61 procedure, pass(this) :: free => smagorinsky_free
63 procedure, pass(this) :: compute => smagorinsky_compute
64 end type smagorinsky_t
65
66contains
71 subroutine smagorinsky_init(this, dofmap, coef, json)
72 class(smagorinsky_t), intent(inout) :: this
73 type(dofmap_t), intent(in) :: dofmap
74 type(coef_t), intent(in) :: coef
75 type(json_file), intent(inout) :: json
76 character(len=:), allocatable :: nut_name
77 real(kind=rp) :: c_s
78 character(len=:), allocatable :: delta_type
79
80 call json_get_or_default(json, "nut_field", nut_name, "nut")
81 call json_get_or_default(json, "delta_type", delta_type, "pointwise")
82 call json_get_or_default(json, "c_s", c_s, 0.17_rp)
83
84 call smagorinsky_init_from_components(this, dofmap, coef, c_s, nut_name, &
85 delta_type)
86 end subroutine smagorinsky_init
87
93 subroutine smagorinsky_init_from_components(this, dofmap, coef, c_s, &
94 nut_name, delta_type)
95 class(smagorinsky_t), intent(inout) :: this
96 type(dofmap_t), intent(in) :: dofmap
97 type(coef_t), intent(in) :: coef
98 real(kind=rp) :: c_s
99 character(len=*), intent(in) :: nut_name
100 character(len=*), intent(in) :: delta_type
101
102 call this%free()
103
104 call this%init_base(dofmap, coef, nut_name, delta_type)
105 this%c_s = c_s
106
108
110 subroutine smagorinsky_free(this)
111 class(smagorinsky_t), intent(inout) :: this
112
113 call this%free_base()
114 end subroutine smagorinsky_free
115
119 subroutine smagorinsky_compute(this, t, tstep)
120 class(smagorinsky_t), intent(inout) :: this
121 real(kind=rp), intent(in) :: t
122 integer, intent(in) :: tstep
123
124 if (neko_bcknd_device .eq. 1) then
125 call neko_error("Smagorinsky model not implemented on accelarators.")
126 else
127 call smagorinsky_compute_cpu(t, tstep, this%coef, this%nut, this%delta,&
128 this%c_s)
129 end if
130
131 end subroutine smagorinsky_compute
132
133end module smagorinsky
Retrieves a parameter by name or assigns a provided default value. In the latter case also adds the m...
Retrieves a parameter by name or throws an error.
Coefficients.
Definition coef.f90:34
Defines a mapping of the degrees of freedom.
Definition dofmap.f90:35
Defines a field.
Definition field.f90:34
Utilities for retrieving parameters from the case files.
Implements les_model_t.
Definition les_model.f90:35
Build configurations.
integer, parameter neko_bcknd_device
integer, parameter, public rp
Global precision used in computations.
Definition num_types.f90:12
Implements the CPU kernel for the smagorinsky_t type.
subroutine, public smagorinsky_compute_cpu(t, tstep, coef, nut, delta, c_s)
Compute eddy viscosity on the CPU.
Implements smagorinsky_t.
subroutine smagorinsky_init_from_components(this, dofmap, coef, c_s, nut_name, delta_type)
Constructor from components.
subroutine smagorinsky_free(this)
Destructor for the les_model_t (base) class.
subroutine smagorinsky_compute(this, t, tstep)
Compute eddy viscosity.
subroutine smagorinsky_init(this, dofmap, coef, json)
Constructor.
Utilities.
Definition utils.f90:35
Coefficients defined on a given (mesh, ) tuple. Arrays use indices (i,j,k,e): element e,...
Definition coef.f90:55
Base abstract type for LES models based on the Boussinesq approximation.
Definition les_model.f90:51
Implements the smagorinsky LES model.