Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
Structural Dynamics

Structural Dynamics

  1. All Categories
  2. Structures - Structural Dynamics
  3. Why does Fatigue Tool in a PSD in a random vibration analysis ask for turning on velocity calculation?

Why does Fatigue Tool in a PSD in a random vibration analysis ask for turning on velocity calculation?

Tagged: 19.2, fatigue, mechanical, response spectrum, structural-dynamics, structural-mechanics
    • January 25, 2023 at 7:34 am
      FAQFAQ
      Participant

      The frequency-based fatigue depends on the statistical frequency that is the ratio of RMS velocity over RMS displacement. Be default, WB only writes the displacement solution into the database. This can be changed under Analysis SettingsOutput Controls.

Featured Articles

Introducing Ansys Electronics Desktop on Ansys Cloud

The Watch & Learn video article provides an overview of cloud computing from Electronics Desktop and details the product licenses and subscriptions to ANSYS Cloud Service that are...

How to Create a Reflector for a Center High-Mounted Stop Lamp (CHMSL)

This video article demonstrates how to create a reflector for a center high-mounted stop lamp. Optical Part design in Ansys SPEOS enables the design and validation of multiple...

Introducing the GEKO Turbulence Model in Ansys Fluent

The GEKO (GEneralized K-Omega) turbulence model offers a flexible, robust, general-purpose approach to RANS turbulence modeling. Introducing 2 videos: Part 1 provides background information on the model and a...

Postprocessing on Ansys EnSight

This video demonstrates exporting data from Fluent in EnSight Case Gold format, and it reviews the basic postprocessing capabilities of EnSight.

© 2026 Copyright ANSYS, Inc. All rights reserved.