# Entity Tags

Entity tags provide a flexible way to organize and group entities across your simulation project for easier management and selection.

# Overview

Entity tags allow you to apply custom labels to entities in your project, enabling:

  • Logical grouping of related entities regardless of their type
  • Quick selection of multiple entities with the same tag
  • Organization of complex simulations with many entities
  • Filtering and searching for specific entity groups

# Creating and Managing Tags

# Creating a New Tag

  1. Navigate to the Entity tags section in the Entities browser
  2. Click the "+" button to create a new tag
  3. Configure the tag parameters
  4. The tag is now available and entities matching the expression are automatically tagged

# Tag Parameters

Parameter Description
Name A descriptive name for the tag
Description Optional description explaining the purpose of the tag
Type The entity type to tag (e.g., Surface, Volume, Point, etc.)

# Tagging Entities via Expression

Tags can automatically include entities based on expressions. This allows you to dynamically tag entities that match specified criteria.

# Expression Builder

Each expression condition consists of:

Component Description
Property The entity property to filter on (e.g., Name)
Operator The matching operator: matches or not matches
Value The pattern to match against (supports wildcards, e.g., *wing*)

# Combining Conditions

  • Use the And / Or toggle to control how multiple conditions are combined:
    • And - Entity must match ALL conditions
    • Or - Entity must match ANY condition
  • Click + Add to add additional filter conditions
  • Click the trash icon to remove a condition

# Applying Tags Manually

Tags can also be applied to individual entities through:

  • The entity's properties panel (via the Tag field)
  • Selecting an entity and assigning it to an existing tag

# Use Cases

# Boundary Condition Groups

Tag all surfaces that share the same boundary condition type for easy identification and modification.

# Output Selection

Tag entities that should be included in specific output configurations (e.g., all surfaces for force calculation).

# Refinement Regions

Tag volumes and surfaces that require similar mesh refinement settings.

# Component Organization

In multi-component assemblies, tag entities belonging to each component (e.g., "fuselage", "wing", "tail").

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