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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.
Manage E-Points
Use the Manage E-Points tool to modify local system collectors and evaluation points.
Update RBE3
Relocate the RBE3 elements of an realized E-line to a nearby element to ensure a proper definition of the E-point elements.

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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.
    - 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.
      - Rotate LCS
        Use the Manage E-Points tool to rotate LCS on an evaluation point.
      - Update RBE3
        Relocate the RBE3 elements of an realized E-line to a nearby element to ensure a proper definition of the E-point elements.
  - 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.

Update RBE3

Relocate the RBE3 elements of an realized E-line to a nearby element to ensure a proper definition of the E-point elements.

From the SnRPre ribbon, Setup group, click the triangle next to Setup and select Manage E-Points.
From the guide bar, select Update RBE3.

Figure 1.
Select RBE3 to move.
In the modeling window, select the element to move it to.
Click Update Projection.

The RBE3 element is moved to the new position.