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High Frequency NVH
High frequency NVH is an implementation of Statistical Energy Analysis (SEA), and is used to predict and analyze the vibration and acoustic response of complex dynamic systems.
User Interface
Explore the user interface.
Visualize Entities in a Model
In the modeling window, use the colored edges in a model to identify SEA entities.

Welcome
What's New
View new features for HyperMesh NVH 2026.
Get Started
Learn the basics and discover the workspace.
Tutorials
Discover NVH functionality with interactive tutorials.
Full Vehicle NVH
Access the Assemble, Analyze, NVH Tools, NVH Post, and Physics AI ribbons.
High Frequency NVH
High frequency NVH is an implementation of Statistical Energy Analysis (SEA), and is used to predict and analyze the vibration and acoustic response of complex dynamic systems.
- Supported File Formats
  File formats supported by HyperMesh NVH.
- SEAM Preferences
  Keep default configuration options and store user preferences.
- Model Building Sequence
  Follow this sequence when building a model to define all necessary components.
- User Interface
  Explore the user interface.
  - High Frequency NVH User Interface
    Explore the HyperMesh NVH user interface.
  - Visualize Entities in a Model
    In the modeling window, use the colored edges in a model to identify SEA entities.
  - High Frequency NVH Ribbons
    Use the ribbons located at the top of the user interface to quickly access tools and functions.
  - Symmetry Tool
    Use the Symmetry tool to mirror/reflect SEAM entities across a symmetry plane.
- Model
  Build models.
- Tools
  When creating a model, use the edit options on the Tools ribbon to modify or recreate the subsystem based on different SEA creations, such as NCTs, Connections, Excitations, Leaks, and so on.
- Analyze
  Apply excitations, analyze the model, and post-process the results.
- High Frequency NVH Workflow
  Follow the order of these tasks to successfully import, visualize, and post-process an XML model file using high frequency NVH and SEAM.
- Glossary
  Definitions for common terms used in High Frequency NVH.
- SEAM Reference Manual
  Additional resources.
Squeak and Rattle
Create and evaluate evaluation lines and optimize interfaces to eliminate squeak and rattle issues.

Visualize Entities in a Model

In the modeling window, use the colored edges in a model to identify SEA entities.

Use the following edge border colors to identify SEA entity types in a model.

Blue: Acoustic subsystem
Red/Pink: Junctions
Black: Structural subsystem
Transparent: Sound package part