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Squeak and Rattle
Create and evaluate evaluation lines and optimize interfaces to eliminate squeak and rattle issues.
Pre-Processing
Explore the SnRD Pre-Processing user interface.
Setup
Use the tools in the Setup Group to setup evaluation lines and define loadcases.
Loadcase Setup
Setup loadcases to solve and extract results.

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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.
Squeak and Rattle
Create and evaluate evaluation lines and optimize interfaces to eliminate squeak and rattle issues.
- Technical Concepts
  Technology and problem evaluation approaches used in SnRD.
- Launch Squeak and Rattle Director
- Pre-Processing
  Explore the SnRD Pre-Processing user interface.
  - Setup
    Use the tools in the Setup Group to setup evaluation lines and define loadcases.
    - Import Model
      Import all data required for the squeak and rattle analysis preparation.
    - Define Interface
      Use the Define Interface tool to create, import, and edit geometric lines along the interfaces to evaluate.
    - Create E-Lines
      Use the Create E-Lines tool to create evaluation lines at component interfaces.
    - Manage E-Lines
      Use the Manage E-Line tool to review and manage E-Lines.
    - Loadcase Setup
      Setup loadcases to solve and extract results.
      - Dynamic Event
        Use the Dynamic Event tool to define a dynamic (Modal Transient (MTRAN)) loadcase to solver and analyze squeak and rattle occurrences.
      - Static Event
        Use the Static Event tool to define a static (linear static) loadcase to solve and understand squeak and rattle occurrences.
      - Thermal Event
        Use the Thermal Event tool to define a temperature or thermal loadcase to solver and understand squeak and rattle occurrences.
      - Define Constraints
        Create Single Point Constraints (SPCs).
    - Variability Study
      Use a variability study to examine how squeak and rattle risks are affected by manufacturing variations.
    - Manage E-Points
      Use the Manage E-Points tool to modify local system collectors and evaluation points.
  - Analyze
    Evaluate loadcase and export solver deck.
- Post Processing
  Launch and explore SnRD Post Processing.
- Ziegler PEM Material Database
  Use of Altair Ziegler SnRD Material Database.

Loadcase Setup

Setup loadcases to solve and extract results.

Note: All loadcases and related load collectors will be created as an Include file. You have the option to merge or preserve these files during export.