#include "cs_defs.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include "bft_mem.h"
#include "bft_error.h"
#include "bft_printf.h"
#include "cs_assert.h"
#include "cs_field.h"
#include "cs_field_pointer.h"
#include "cs_function.h"
#include "cs_gradient.h"
#include "cs_log.h"
#include "cs_log_iteration.h"
#include "cs_math.h"
#include "cs_mesh.h"
#include "cs_parall.h"
#include "cs_mesh_location.h"
#include "cs_time_step.h"
#include "cs_wall_functions.h"
#include "cs_turbulence_model.h"
Functions | |
void | cs_turb_model_init (void) |
Initialize turbulence model structures. More... | |
void | cs_set_type_order_turbulence_model (void) |
Initialize type and order members of turbulence model structure. More... | |
cs_turb_model_t * | cs_get_glob_turb_model (void) |
Provide write access to turbulence model structure. More... | |
void | cs_set_glob_turb_model (void) |
Set global pointer to turbulence model structure. More... | |
void | cs_turb_compute_constants (int phase_id) |
Compute turbulence model constants, some of which may depend on the model choice. More... | |
cs_turb_ref_values_t * | cs_get_glob_turb_ref_values (void) |
Provide access to cs_glob_turb_ref_values. More... | |
cs_turb_rans_model_t * | cs_get_glob_turb_rans_model (void) |
Provide access to cs_glob_turb_rans_model. More... | |
cs_turb_les_model_t * | cs_get_glob_turb_les_model (void) |
Provide access to cs_glob_turb_les_model. More... | |
cs_turb_hybrid_model_t * | cs_get_glob_turb_hybrid_model (void) |
Provide access to cs_glob_turb_hybrid_model. More... | |
void | cs_turb_model_log_setup (void) |
Print the turbulence model parameters to setup.log. More... | |
void | cs_turb_constants_log_setup (void) |
Print the turbulent constants to setup.log. More... | |
void | cs_turb_init_ref_quantities (void) |
Compute characteristic length for turbulence if not already done. More... | |
void | cs_clip_turbulent_fluxes (int flux_id, int variance_id) |
Clipping for the turbulence flux vector. More... | |
void | cs_turbulence_function_k (int location_id, cs_lnum_t n_elts, const cs_lnum_t *elt_ids, void *input, void *vals) |
Return or estimate the value of the turbulent kinetic energy over specified elements. More... | |
void | cs_turbulence_function_eps (int location_id, cs_lnum_t n_elts, const cs_lnum_t *elt_ids, void *input, void *vals) |
Return or estimate the value of the turbulent dissipation over specified elements. More... | |
void | cs_turbulence_function_rij (int location_id, cs_lnum_t n_elts, const cs_lnum_t *elt_ids, void *input, void *vals) |
Return or estimate the value of the Reynolds stresses over specified elements. More... | |
Variables | |
double | cs_turb_xkappa = 0.42 |
double | cs_turb_vdriest = 25.6 |
double | cs_turb_cstlog = 5.2 |
double | cs_turb_cstlog_rough = 8.5 |
double | cs_turb_cstlog_alpha |
double | cs_turb_apow = 8.3 |
double | cs_turb_bpow = 1.0/7.0 |
double | cs_turb_dpow = -1. |
double | cs_turb_cmu = 0.09 |
double | cs_turb_cmu025 = 0.547722557 |
double | cs_turb_ce1 = 1.44 |
double | cs_turb_ce2 = 1.92 |
double | cs_turb_ce4 = 1.20 |
double | cs_turb_crij1 = 1.80 |
double | cs_turb_crij2 = 0.60 |
double | cs_turb_crij_c0 = 3.5 |
double | cs_turb_crij3 = 0.55 |
double | cs_turb_crijp1 = 0.50 |
double | cs_turb_crijp2 = 0.30 |
double | cs_turb_cssge2 = 1.83 |
double | cs_turb_cssgs1 = 1.70 |
double | cs_turb_cssgs2 = -1.05 |
double | cs_turb_cssgr1 = 0.90 |
double | cs_turb_cssgr2 = 0.80 |
double | cs_turb_cssgr3 = 0.65 |
double | cs_turb_cssgr4 = 0.625 |
double | cs_turb_cssgr5 = 0.20 |
double | cs_turb_cebms1 = 1.70 |
double | cs_turb_cebms2 = 0. |
double | cs_turb_cebmr1 = 0.90 |
double | cs_turb_cebmr2 = 0.80 |
double | cs_turb_cebmr3 = 0.65 |
double | cs_turb_cebmr4 = 0.625 |
double | cs_turb_cebmr5 = 0.20 |
double | cs_turb_csrij |
double | cs_turb_cebme2 = 1.83 |
double | cs_turb_cebmmu = 0.22 |
double | cs_turb_xcl = 0.122 |
double | cs_turb_xa1 = 0.1 |
double | cs_turb_xct = 6.0 |
double | cs_turb_xceta = 80.0 |
double | cs_turb_cpale1 = 1.44 |
double | cs_turb_cpale2 = 1.83 |
double | cs_turb_cpale3 = 2.3 |
double | cs_turb_cpale4 = 0.4 |
double | cs_turb_cpalc1 = 1.7 |
double | cs_turb_cpalc2 = 0.9 |
double | cs_turb_cpalct = 4.0 |
double | cs_turb_cpalcl = 0.164 |
double | cs_turb_cpalet = 75.0 |
double | cs_turb_ckwsk1 = 1.0/0.85 |
double | cs_turb_ckwsk2 = 1.0 |
double | cs_turb_ckwsw1 = 2.0 |
double | cs_turb_ckwsw2 = 1.0/0.856 |
double | cs_turb_ckwbt1 = 0.075 |
double | cs_turb_ckwbt2 = 0.0828 |
double | cs_turb_ckwgm1 = -1. |
double | cs_turb_ckwgm2 = -1. |
double | cs_turb_ckwa1 = 0.31 |
double | cs_turb_ckwc1 = 10.0 |
double | cs_turb_cddes = 0.65 |
double | cs_turb_csas = 0.11 |
double | cs_turb_csas_eta2 = 3.51 |
double | cs_turb_chtles_bt0 = 0.48 |
double | cs_turb_csab1 = 0.1355 |
double | cs_turb_csab2 = 0.622 |
double | cs_turb_csasig = 2.0/3.0 |
double | cs_turb_csav1 = 7.1 |
double | cs_turb_csaw1 = -1. |
double | cs_turb_csaw2 = 0.3 |
double | cs_turb_csaw3 = 2.0 |
double | cs_turb_cssr1 = 1.0 |
double | cs_turb_cssr2 = 2.0 |
double | cs_turb_cssr3 = 1.0 |
double | cs_turb_ccaze2 = 1.83 |
double | cs_turb_ccazsc = 0.119 |
double | cs_turb_ccaza = 4.3 |
double | cs_turb_ccazb = 5.130 |
double | cs_turb_ccazc = 0.453 |
double | cs_turb_ccazd = 0.682 |
double | cs_turb_xlesfl = 2.0 |
double | cs_turb_ales = 1.0 |
double | cs_turb_bles = 1.0/3.0 |
double | cs_turb_csmago = 0.065 |
double | cs_turb_xlesfd = 1.5 |
double | cs_turb_csmago_max = -1. |
double | cs_turb_csmago_min = 0. |
double | cs_turb_cdries = 26.0 |
double | cs_turb_cv2fa1 = 0.05 |
double | cs_turb_cv2fe2 = 1.85 |
double | cs_turb_cv2fc1 = 1.4 |
double | cs_turb_cv2fc2 = 0.3 |
double | cs_turb_cv2fct = 6.0 |
double | cs_turb_cv2fcl = 0.25 |
double | cs_turb_cv2fet = 110.0 |
double | cs_turb_cnl1 = 0.8 |
double | cs_turb_cnl2 = 11. |
double | cs_turb_cnl3 = 4.5 |
double | cs_turb_cnl4 = 1e3 |
double | cs_turb_cnl5 = 1. |
double | cs_turb_cwale = 0.25 |
double | cs_turb_xiafm = 0.7 |
double | cs_turb_etaafm = 0.4 |
double | cs_turb_c1trit = 4.15 |
double | cs_turb_c2trit = 0.55 |
double | cs_turb_c3trit = 0.5 |
double | cs_turb_c4trit = 0. |
double | cs_turb_cthafm = 0.236 |
double | cs_turb_cthdfm = 0.31 |
double | cs_turb_cthebdfm = 0.22 |
double | cs_turb_xclt = 0.305 |
Base turbulence model data.
void cs_clip_turbulent_fluxes | ( | int | flux_id, |
int | variance_id | ||
) |
Clipping for the turbulence flux vector.
[in] | flux_id | turbulent flux index |
[in] | variance_id | scalar variance index |
cs_turb_hybrid_model_t* cs_get_glob_turb_hybrid_model | ( | void | ) |
Provide access to cs_glob_turb_hybrid_model.
needed to initialize structure with GUI
cs_turb_les_model_t* cs_get_glob_turb_les_model | ( | void | ) |
Provide access to cs_glob_turb_les_model.
needed to initialize structure with GUI
cs_turb_model_t* cs_get_glob_turb_model | ( | void | ) |
Provide write access to turbulence model structure.
cs_turb_rans_model_t* cs_get_glob_turb_rans_model | ( | void | ) |
Provide access to cs_glob_turb_rans_model.
needed to initialize structure with GUI
cs_turb_ref_values_t* cs_get_glob_turb_ref_values | ( | void | ) |
Provide access to cs_glob_turb_ref_values.
needed to initialize structure with GUI
void cs_set_glob_turb_model | ( | void | ) |
Set global pointer to turbulence model structure.
This global pointer provides a read-only access to the structure.
void cs_set_type_order_turbulence_model | ( | void | ) |
Initialize type and order members of turbulence model structure.
void cs_turb_compute_constants | ( | int | phase_id | ) |
Compute turbulence model constants, some of which may depend on the model choice.
[in] | phase_id | turbulent phase id (-1 for single phase flow) |
void cs_turb_constants_log_setup | ( | void | ) |
Print the turbulent constants to setup.log.
void cs_turb_init_ref_quantities | ( | void | ) |
Compute characteristic length for turbulence if not already done.
void cs_turb_model_init | ( | void | ) |
Initialize turbulence model structures.
void cs_turb_model_log_setup | ( | void | ) |
Print the turbulence model parameters to setup.log.
void cs_turbulence_function_eps | ( | int | location_id, |
cs_lnum_t | n_elts, | ||
const cs_lnum_t * | elt_ids, | ||
void * | input, | ||
void * | vals | ||
) |
Return or estimate the value of the turbulent dissipation over specified elements.
Returned values are zero for turbulence models other than RANS.
This function matches the cs_eval_at_location_t function profile.
[in] | location_id | base associated mesh location id |
[in] | n_elts | number of associated elements |
[in] | elt_ids | ids of associated elements, or NULL if no filtering is required |
[in,out] | input | ignored |
[in,out] | vals | pointer to output values (size: n_elts*dimension) |
void cs_turbulence_function_k | ( | int | location_id, |
cs_lnum_t | n_elts, | ||
const cs_lnum_t * | elt_ids, | ||
void * | input, | ||
void * | vals | ||
) |
Return or estimate the value of the turbulent kinetic energy over specified elements.
Returned values are zero for turbulence models other than RANS.
This function matches the cs_eval_at_location_t function profile.
[in] | location_id | base associated mesh location id |
[in] | n_elts | number of associated elements |
[in] | elt_ids | ids of associated elements, or NULL if no filtering is required |
[in,out] | input | ignored |
[in,out] | vals | pointer to output values (size: n_elts*dimension) |
void cs_turbulence_function_rij | ( | int | location_id, |
cs_lnum_t | n_elts, | ||
const cs_lnum_t * | elt_ids, | ||
void * | input, | ||
void * | vals | ||
) |
Return or estimate the value of the Reynolds stresses over specified elements.
Returned values are zero for turbulence models other than RANS.
This function matches the cs_eval_at_location_t function profile.
[in] | location_id | base associated mesh location id |
[in] | n_elts | number of associated elements |
[in] | elt_ids | ids of associated elements, or NULL if no filtering is required |
[in,out] | input | ignored |
[in,out] | vals | pointer to output values (size: n_elts*dimension) |
double cs_turb_ales = 1.0 |
Constant used to define, for each cell , the width of the (implicit) filter:
Useful if and only if iturb = 40 or 41.
double cs_turb_apow = 8.3 |
Werner and Wengle coefficient
double cs_turb_bles = 1.0/3.0 |
Constant used to define, for each cell , the width of the (implicit) filter:
Useful if and only if iturb = 40 or 41.
double cs_turb_bpow = 1.0/7.0 |
Werner and Wengle coefficient
double cs_turb_c1trit = 4.15 |
Coefficient of turbulent DFM flow model.
double cs_turb_c2trit = 0.55 |
Coefficient of turbulent DFM flow model.
double cs_turb_c3trit = 0.5 |
Coefficient of turbulent DFM flow model.
double cs_turb_c4trit = 0. |
Coefficient of turbulent DFM flow model.
double cs_turb_ccaza = 4.3 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_ccazb = 5.130 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_ccazc = 0.453 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_ccazd = 0.682 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_ccaze2 = 1.83 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_ccazsc = 0.119 |
Constants of the Cazalbou rotation/curvature correction.
double cs_turb_cddes = 0.65 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST) and hybrid_turb=1.
double cs_turb_cdries = 26.0 |
Van Driest constant appearing in the van Driest damping function applied to the Smagorinsky constant:
Useful if and only if iturb = 40 or 41.
double cs_turb_ce1 = 1.44 |
Constant for all the RANS turbulence models except for the v2f and the
models. Useful if and only if iturb= 20, 21, 30 or 31 (
or
).
double cs_turb_ce2 = 1.92 |
Constant for the
and
LRR models. Useful if and only if iturb = 20, 21 or 30 (
or
LRR).
double cs_turb_ce4 = 1.20 |
Coefficient of interfacial coefficient in k-eps, used in Lagrange treatment.
Constant for the interfacial term (Lagrangian module) in case of two-way coupling. Useful in case of Lagrangian modelling, in
and
with two-way coupling.
double cs_turb_cebme2 = 1.83 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_cebmmu = 0.22 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_cebmr1 = 0.90 |
double cs_turb_cebmr2 = 0.80 |
double cs_turb_cebmr3 = 0.65 |
double cs_turb_cebmr4 = 0.625 |
double cs_turb_cebmr5 = 0.20 |
double cs_turb_cebms1 = 1.70 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_cebms2 = 0. |
Constant of the Rij-epsilon EBRSM.
double cs_turb_chtles_bt0 = 0.48 |
double cs_turb_ckwa1 = 0.31 |
Specific constant of k-omega SST. Constant for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwbt1 = 0.075 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwbt2 = 0.0828 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwc1 = 10.0 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST). Specific constant of k-omega SST.
double cs_turb_ckwgm1 = -1. |
. Constant
for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwgm2 = -1. |
. Constant
for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwsk1 = 1.0/0.85 |
Constant for the
SST model. Useful if and only if iturb=60.
double cs_turb_ckwsk2 = 1.0 |
Constant for the
SST model. Useful if and only if iturb=60.
double cs_turb_ckwsw1 = 2.0 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_ckwsw2 = 1.0/0.856 |
Constant for the
SST model. Useful if and only if iturb=60 (
SST).
double cs_turb_cmu = 0.09 |
Constant for all the RANS turbulence models. Warning: different value for v2f models. Useful only for RANS models (
,
or
).
double cs_turb_cmu025 = 0.547722557 |
double cs_turb_cnl1 = 0.8 |
Constants for the Baglietto et al. quadratic k-epsilon model. Useful if and only if iturb = CS_TURB_K_EPSILON_QUAD
double cs_turb_cnl2 = 11. |
double cs_turb_cnl3 = 4.5 |
double cs_turb_cnl4 = 1e3 |
double cs_turb_cnl5 = 1. |
double cs_turb_cpalc1 = 1.7 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpalc2 = 0.9 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpalcl = 0.164 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpalct = 4.0 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpale1 = 1.44 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpale2 = 1.83 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpale3 = 2.3 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpale4 = 0.4 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_cpalet = 75.0 |
Specific constant of v2f "BL-v2k" (or phi-alpha).
double cs_turb_crij1 = 1.80 |
Constant for the
LRR model. Useful if and only if iturb=30 (
LRR).
double cs_turb_crij2 = 0.60 |
Constant for the
LRR model. Useful if and only if iturb=30 (
LRR).
double cs_turb_crij3 = 0.55 |
Constant for the
models. Value is 0.55 for SSG and LRR, 0.6 for EBRSM.
double cs_turb_crij_c0 = 3.5 |
Rotta constant for the
model. Useful for the Lagrangian model. The value is set from
if and only if iturb=CS_TURB_RIJ_EPSILON_LRR (
LRR) and
.
double cs_turb_crijp1 = 0.50 |
Constant for the
LRR model, corresponding to the wall echo terms. Useful if and only if iturb=30 and cs_turb_rans_model_t::irijec=1 (
LRR).
double cs_turb_crijp2 = 0.30 |
Constant for the
LRR model, corresponding to the wall echo terms. Useful if and only if iturb=30 and cs_turb_rans_model_t::irijec=1 (
LRR).
double cs_turb_csab1 = 0.1355 |
Specific constant of Spalart-Allmaras.
double cs_turb_csab2 = 0.622 |
Specific constant of Spalart-Allmaras.
double cs_turb_csas = 0.11 |
Constant for the hybrid
SST model. Useful if and only if iturb=60 (
SST) and hybrid_turb=3.
double cs_turb_csas_eta2 = 3.51 |
constant for the hybrid
SST model. Useful if and only if iturb=60 (
SST) and hybrid_turb=3.
double cs_turb_csasig = 2.0/3.0 |
Specific constant of Spalart-Allmaras.
double cs_turb_csav1 = 7.1 |
Specific constant of Spalart-Allmaras.
double cs_turb_csaw1 = -1. |
Specific constant of Spalart-Allmaras.
double cs_turb_csaw2 = 0.3 |
Specific constant of Spalart-Allmaras.
double cs_turb_csaw3 = 2.0 |
Specific constant of Spalart-Allmaras.
double cs_turb_csmago = 0.065 |
Smagorinsky constant used in the Smagorinsky model for LES. The sub-grid scale viscosity is calculated by where
is the width of the filter and
the filtered strain rate.
Useful if and only if iturb = 40.
double cs_turb_csmago_max = -1. |
Maximum allowed value for the variable appearing in the LES dynamic model. Any larger value yielded by the calculation procedure of the dynamic model will be clipped to
.
Useful if and only if iturb = 41.
double cs_turb_csmago_min = 0. |
Minimum allowed value for the variable appearing in the LES dynamic model. Any smaller value yielded by the calculation procedure of the dynamic model will be clipped to
.
Useful if and only if iturb = 41.
double cs_turb_csrij |
Constant for the
LRR model. Useful if and only if iturb=30 (
LRR).
double cs_turb_cssge2 = 1.83 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgr1 = 0.90 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgr2 = 0.80 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgr3 = 0.65 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgr4 = 0.625 |
constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgr5 = 0.20 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgs1 = 1.70 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssgs2 = -1.05 |
Constant for the
SSG model. Useful if and only if iturb=31 (
SSG).
double cs_turb_cssr1 = 1.0 |
Constant of the Spalart-Shur rotation/curvature correction.
double cs_turb_cssr2 = 2.0 |
Constant of the Spalart-Shur rotation/curvature correction.
double cs_turb_cssr3 = 1.0 |
Constant of the Spalart-Shur rotation/curvature correction.
double cs_turb_cstlog = 5.2 |
Constant of logarithmic smooth law function: (
).
Constant of the logarithmic wall function. Useful if and only if iturb >= 10 (mixing length, ,
, LES, v2f or
).
double cs_turb_cstlog_alpha |
Constant for logarithmic law function switching from rough to smooth:
(
).
Useful if and only if iturb >= 10 (mixing length, ,
, LES, v2f or
).
double cs_turb_cstlog_rough = 8.5 |
Constant of logarithmic rough law function: (
).
Constant of the logarithmic wall function. Useful if and only if iturb >= 10 (mixing length, ,
, LES, v2f or
).
double cs_turb_cthafm = 0.236 |
Constant of GGDH and AFM on the thermal scalar.
double cs_turb_cthdfm = 0.31 |
Constant of GGDH and AFM on the thermal scalar.
double cs_turb_cthebdfm = 0.22 |
double cs_turb_cv2fa1 = 0.05 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fc1 = 1.4 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fc2 = 0.3 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fcl = 0.25 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fct = 6.0 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fe2 = 1.85 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cv2fet = 110.0 |
Constant for the v2f
-model. Useful if and only if iturb=50 (v2f
-model).
double cs_turb_cwale = 0.25 |
Constant of the WALE LES method.
double cs_turb_dpow = -1. |
Werner and Wengle coefficient
double cs_turb_etaafm = 0.4 |
Coefficient of turbulent AFM flow model.
double cs_turb_vdriest = 25.6 |
Van Driest constant. (= 25.6)
Useful if and only if cs_glob_wall_functions::iwallf = CS_WALL_F_2SCALES_VDRIEST. (Two scales log law at the wall using Van Driest mixing length expression).
double cs_turb_xa1 = 0.1 |
Constant in the expression of Ce1' for the Rij-epsilon EBRSM.
double cs_turb_xceta = 80.0 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_xcl = 0.122 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_xclt = 0.305 |
constant of EB-AFM and EB-DFM (0.122*2.5, See F. Dehoux thesis)
double cs_turb_xct = 6.0 |
Constant of the Rij-epsilon EBRSM.
double cs_turb_xiafm = 0.7 |
Coefficient of turbulent AFM flow model.
double cs_turb_xkappa = 0.42 |
Karman constant. (= 0.42)
Useful if and only if iturb >= 10. (mixing length, ,
, LES, v2f or
).
double cs_turb_xlesfd = 1.5 |
Ratio between explicit and explicit filter width for a dynamic model. Constant used to define, for each cell , the width of the explicit filter used in the framework of the LES dynamic model:
.
Useful if and only if iturb = 41.
double cs_turb_xlesfl = 2.0 |
Constant used in the definition of LES filtering diameter: cs_turb_xlesfl is a constant used to define, for each cell
, the width of the (implicit) filter:
Useful if and only if iturb = 40 or 41