TrioCFD 1.9.8
TrioCFD documentation
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Keywords derived from condlim_base

Keywords introduced by TrioCFD that extend the Condlim_base family. See Keywords derived from condlim_base for the base-class documentation and the canonical keyword list.


cond_lim_k_complique_transition_flux_nul_demi

Adaptive wall law boundary condition for turbulent kinetic energy


cond_lim_k_simple_flux_nul

Adaptive wall law boundary condition for turbulent kinetic energy


cond_lim_omega_demi

Adaptive wall law boundary condition for turbulent dissipation rate

Parameters:

  • [beta_omega] (type: float) Beta constant of the omega wall condition.
  • [beta_k] (type: float) Beta constant of the k wall condition.
  • [von_karman] (type: float) Von Karman constant.

cond_lim_omega_dix

Adaptive wall law boundary condition for turbulent dissipation rate

Parameters:

  • [beta_omega] (type: float) Beta constant of the omega wall condition.
  • [beta_k] (type: float) Beta constant of the k wall condition.
  • [von_karman] (type: float) Von Karman constant.
  • [facteur_paroi] (type: float) Wall factor applied to the omega condition.

courant_impose

Neumann boundary condition for imposed courant (multiphase problem)

Parameters:

  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.

echange_contact_vdf_ft_disc

echange_conatct_vdf en prescisant la phase

Parameters:

  • autre_probleme (type: string) name of other problem
  • autre_bord (type: string) name of other boundary
  • autre_champ_temperature (type: string) name of other field
  • nom_mon_indicatrice (type: string) name of indicatrice
  • [ri_liq] (type: float) interficial thermal resitence of liquid
  • phase (type: int) phase

echange_contact_vdf_ft_disc_solid

echange_conatct_vdf en prescisant la phase

Parameters:

  • autre_probleme (type: string) name of other problem
  • autre_bord (type: string) name of other boundary
  • autre_champ_temperature_indic1 (type: string) name of temperature indic 1
  • autre_champ_temperature_indic0 (type: string) name of temperature indic 0
  • autre_champ_indicatrice (type: string) name of indicatrice
  • [dt_impr_tw] (type: float) not_set
  • [ri_liq] (type: float) interficial thermal resitence of liquid

frontiere_ouverte_k_eps_impose

Turbulence condition imposed on an open boundary called bord (edge) (this situation corresponds to a fluid inlet). This condition must be associated with an imposed inlet velocity condition.

Parameters:

  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.

frontiere_ouverte_k_omega_impose

Turbulence condition imposed on an open boundary called bord (edge) (this situation corresponds to a fluid inlet). This condition must be associated with an imposed inlet velocity condition.

Parameters:

  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.

frontiere_ouverte_rayo_semi_transp

  • Defined in: src/TRAD2_upstream_pending.xd

Open boundary (free outlet) condition for the semi-transparent radiation model.

Parameters:

  • Inherited from frontiere_ouverte:
  • var_name (type: string into ['t_ext', 'c_ext', 'y_ext', 'k_eps_ext', 'k_omega_ext', 'fluctu_temperature_ext', 'flux_chaleur_turb_ext', 'v2_ext', 'a_ext', 'tau_ext', 'k_ext', 'omega_ext', 'h_ext', 'a_i_ext']) Field name.
  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.

frontiere_ouverte_temperature_imposee_rayo_semi_transp

  • Defined in: src/TRAD2_upstream_pending.xd

Imposed-temperature open boundary condition (fluid inlet) for the semi-transparent radiation model.

Parameters:


frontiere_ouverte_vitesse_imposee_ale

Class for velocity boundary condition on a mobile boundary (ALE framework).

The imposed velocity field is vectorial of type Ch_front_input_ALE, Champ_front_ALE or Champ_front_ALE_Beam.

Example: frontiere_ouverte_vitesse_imposee_ALE Champ_front_ALE 2 0.5*cos(0.5*t) 0.0

Parameters:

  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.

mixte_shear

  • Defined in: src/TRAD2_generic.xd

not_set


paroi_echange_contact_odvm_vdf

not_set

Parameters:

  • Inherited from paroi_echange_contact_vdf:
  • autrepb (type: string) Name of other problem.
  • nameb (type: string) Name of bord.
  • temp (type: string) Name of field.
  • h (type: float) Value assigned to a coefficient (expressed in W.K-1m-2) that characterises the contact between the two mediums. In order to model perfect contact, h must be taken to be infinite. This value must obviously be the same in both the two problems blocks.

    The surface thermal flux exchanged between the two mediums is represented by :

    fi = h (T1-T2) where 1/h = d1/lambda1 + 1/val_h_contact + d2/lambda2

    where di : distance between the node where Ti and the wall is found.


paroi_echange_contact_vdf_ft

This boundary condition is used between a conduction problem and a thermohydraulic problem with two phases flow (Front-Tracking method) to modelize heat exchange.

Parameters:

  • Inherited from paroi_echange_contact_vdf:
  • autrepb (type: string) Name of other problem.
  • nameb (type: string) Name of bord.
  • temp (type: string) Name of field.
  • h (type: float) Value assigned to a coefficient (expressed in W.K-1m-2) that characterises the contact between the two mediums. In order to model perfect contact, h must be taken to be infinite. This value must obviously be the same in both the two problems blocks.

    The surface thermal flux exchanged between the two mediums is represented by :

    fi = h (T1-T2) where 1/h = d1/lambda1 + 1/val_h_contact + d2/lambda2

    where di : distance between the node where Ti and the wall is found.


paroi_frottante_loi

Adaptive wall-law boundary condition for velocity

Parameters:

  • [y_p_prod_k] (type: float) y+ threshold below which the k production is scaled.
  • [fac_prod_k] (type: float) Scaling factor applied to the k production below y_p_prod_k.
  • [y_p_prod_k_grand] (type: float) Upper y+ threshold for the k production scaling.
  • [fac_prod_k_grand] (type: float) Scaling factor applied to the k production above y_p_prod_k_grand.

paroi_frottante_simple

Adaptive wall-law boundary condition for velocity


paroi_ft_disc

Boundary condition for Front-Tracking problem in the discontinuous version.

Parameters:


paroi_rugueuse

Rough wall boundary condition.

Parameters:

  • erugu (type: float) Value of the wall rugosity (default = 9.11)

perio

  • Defined in: src/TRAD2_generic.xd

not_set


sortie_libre_rho_variable

Class to define an outlet boundary condition at which the pressure is defined through the given field, whereas the density of the two-phase flow may varies (value of P/rho given in Pa/kg.m-3).

Parameters:

  • ch (type: front_field_base — one of: boundary_field_inward, boundary_field_keps_from_ud, boundary_field_uniform_keps_from_ud … (+34 more)) Boundary field type.