Force Reactions in Random Vibration / Response Spectrum Analysis

- November 10, 2022 at 8:56 pm
  
  Dave Whitley
  Subscriber
  
  I'm getting the attached error message when trying to pull a Force Reaction from a Fixed Support in a Random Vibration & Response Spectrum analysis in Ansys Mechanical.
  Anyone know what's causing this?
- November 11, 2022 at 6:59 am
  
  Joshua Smith
  Subscriber
  
  In the precursor modal analysis, did you set the "Nodal Forces" output to "yes"? If not, that probably needs to be changed, solution re-run for modal and then the random vibration analysis.
- November 11, 2022 at 2:51 pm
  
  Dave Whitley
  Subscriber
  
  I found out what was causing it. I was also getting another error that stated "Invalid characters were detected in the project and/or environment name". I had a & character and spaces in the .wbpj project name. I took those out and that fixed it. I am now able to pull Force Reactions from Fixed Supports in a Random Vibration & Response Spectrum analysis.
- December 27, 2022 at 9:30 am
  
  Xabier Aramendia
  Subscriber
  
  Hi Dave Whitley,
  
  I would like to get to calculate the reactions of the joints in a random vibration analysis model, but I am not able to achieve it. Can you help me to achieve this goal?
  
  I know how to obtain such reactions in static analysis or also harmonic analysis, but not in a random vibration analysis and I would like to be able to do it.
  
  Can you please pass me a model in which the calculation of reactions in the joints is defined?
  
  Thank you very much in advance!