cds_blending#

class ansys.cfx.core.generated.pre_processing.settings_261.cds_blending.cds_blending(name: str | None = None, parent=None)#

Bases: Group

Controls blending between the basic advection scheme and CDS. Currently used for DES and SAS turbulence models only (hybrid LES-RANS models).

Attributes

Attribute

Summary

enabled

Enable the CDS BLENDING object.

option

The ‘Cds Blending’ option.

minimum_rans_blend

DES turbulence model blending coefficient.

maximum_rans_blend

DES turbulence model blending coefficient.

maximum_courant_number_of_pure_cds

Maximum Courant number, for which pure CDS is allowed in blended CDS advection scheme, used with the hybrid RANS-LES models.

limiter_exponent

Courant number power degree, controlling the CDS weight decrease in blended CDS advection scheme, used with the hybrid RANS-LES models.

Included in:

Parent

Summary

advection_scheme

Defines the scheme used by the solver to discretize the advection term in transport equations.