BndLayerProp

Set the boundary layer meshing properties.

model.component(<ctag>).mesh(<tag>).feature(<ftag>).create(<ftag1>,"BndLayerProp");

model.component(<ctag>).mesh(<tag>).feature(<ftag>).feature(<ftag1>).selection();

model.component(<ctag>).mesh(<tag>).feature(<ftag>).feature(<ftag1>).
set(property,<value>);

model.component(<ctag>).mesh(<tag>).feature(<ftag>).feature(<ftag1>).getType(property);

Use model.component(<ctag>).mesh(<tag>).feature(<ftag>).create(<ftag1>,"BndLayerProp") to define boundary layer properties for the BndLayer feature <ftag>.

Use model.component(<ctag>).mesh(<tag>).feature(<ftag>).feature(<ftag1>).selection() to specify the boundary selection. If you do not specify the selection, it is empty.

The following properties are available:

Table 4-17: Available Properties
Property	Value	Default	Description
blhminfact	string \| double	1	Factor used to adjust the default thickness
blhmin	string \| double		Manual initial boundary layer thickness
blnlayers	string \| integer	8	Number of boundary layers
blstretch	string \| double	1.2	Boundary layer stretching factor
const	String array of property/value pairs	Empty	Parameters to use in the expressions.
inittype	blhminfact \| blhmin	blhminfact	Selects whether blhmin or blhminfact is used.

Use the properties blhmin, blstretch, and blnlayers to specify the distribution of the boundary layers. blhmin specifies the thickness of the initial boundary layer, blstretch a stretching factor, and blnlayers the number of boundary layers. This means that the thickness of the mth boundary layer (m=1 to blnlayers) is blstretch(m−1)blhmin. The number of boundary layers and the thickness of the boundary layers might be automatically reduced in thin regions.

It is also possible to specify the thickness of the initial layer by using the blhminfact property. Then, the thickness of the first layer is 1/20 of the local domain element height. Use the blhminfact property to specify a scaling factor that multiplies this default size.

The property inittype determines which of blhminfact or blhmin that is used. You do not need to set it explicitly because the feature automatically changes it when you set one of blhmin or blhminfact.

The values of blhmin, blhminfact, and blstretch are positive real scalars, or strings that evaluate to positive real scalars, given the evaluation context provided by the property const.

The value of blnlayers is a positive integer scalar, or a string that evaluates to a positive integer, given the evaluation context provided by the property const.