Mesh_curvature

Usage

Name

Character Name

Description

Set name

Usage

Horizons		IDM=ival
Character Names
where	ival	Number of horizons

Description

List of stratigraphy horizon names to be used for point merge. This may also contain:

•" Surface_horizon " to indicate that the current top surface horizon should be considered

•" All_horizons " to indicate that all horizons should be considered

Usage

Group_numbers		IDM=ival
Integer Values
where	ival	Number of groups in set

Description

List of groups to which the mesh region is to be applied. By default the mesh region is applied to all groups that completely or partially lie within the region boundary.

Usage

Groups		IDM=ival
Character Names
where	ival	Number of groups in set

Description

List of element groups by name to be used for point merge

Usage

Volumes		IDM=ival
Integer Values
where	ival	Number of volumes in set

Description

List of volumes to which the mesh region is to be applied. By default the mesh region is applied to all volumes that completely or partially lie within the region boundary.

Usage

Surfaces		IDM=ival
Integer Values
where	ival	Number of surfaces in set

Description

List of surfaces to which the mesh region is to be applied. By default the mesh region is applied to all surfaces that completely or partially lie within the region boundary.

Usage

Lines		IDM=ival
Integer Values
where	ival	Number of lines in set

Description

List of lines to which the mesh region is to be applied. By default the mesh region is applied to all lines that completely or partially lie within the region boundary.

Usage

Element_sizes		IDM=ival
Real Values
where	ival	Number of element size data

Description

The upper and lower bound element sizes for elements generated within the region. The upper and lower bound element size are used to control smoothing of the mesh in regions where the target element size changes:

• Location 1 - Maximum element size (currently not used)

• Location 2 - Minimum element size

Notes

•The maximum element size is currently not used as the element size can only decrease as a function of curvature.

•If not specified, default values are automatically set.

Usage

Region_type

Character Name

Description

The type of adaptive mesh region. Valid types are:

• "All" - apply to all elements in groups associated with the adaptivity set

• "Rectangular" - Rectangular region in 2-D

• "Rectangular" - Hexahedral region in 3-D

• "Circular" - Circular region in 2-D

• "Circular" - Spherical region in 3-D

Usage

Region_size		IDM=ival
Real Values
where	ival	Number of data in region size vector

Description

Size data for mesh region. The size data is dependent on the region type:

"All" - Complete Domain

No size data required

2-D "Rectangular region"

• location 1 - Xmin

• location 2 - Ymin

• location 3 - Xmax

• location 4 - Ymax

3-D "Rectangular" (hexahedral) region

• location 1 - Xmin

• location 2 - Ymin

• location 3 - Zmin

• location 4 - Xmax

• location 5 - Ymax

• location 6 - Zmax

2-D "Circular" region

• location 1 - Xcent

• location 2 - Ycent

• location 3 - Radius

3-D "Circular" (spherical) region

• location 1 - Xcent

• location 2 - Ycent

• location 2 - Zcent

• location 3 - Radius

Usage

Target_max_facet_angle

Real Value

Description

Defines the target maximum facet angle (in degrees) between two adjacent facets. The element size is thus defined as follows:

ElemSizenew = max(MinElemSize, ElemSizecurr· angletarg/anglecurr)

Where:

ElemSizenew is the new element size after refinement

ElemSizecurr is the current element size (at evaluation time)

MinElemSize is the minimum element size defined in Element_sizes

angletarg is the defined target maximum facet angle and

anglecurr is the current facet angle

Data Structure: Mesh_curvature_set
Description	data structure
Usage	Mesh_curvature_set NUM=ival where ival is the data structure number

Mesh_curvature_set