Fluids

Fluids

Fluent post processing .cdat file reading

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    • Ahmet Berkay Solak
      Subscriber

      I've done a transient acoustic analysis and save data via .cdat & .cas file. My question is how to plot acoustics features that fluent provide with respect to time. I couldnt find it. On the other hand, I saw FFT options in the fluent interface, which method has been using for FFT calculations? For example for the windowing of FFT?

    • Federico Alzamora Previtali
      Subscriber

      Hello Ahmet,

      What kind of flow features are you looking to plot? There are two main types of spectral analysis tools for acoustics:

      1) FFT analysis/plotting for point data (.out files or imported unsteady data)

      2) FFT analysis for surface data (FW-H .asd files only)

      Did you set up solution monitors during your simulations and wrote the data to .out files (e.g. for pressure fluctuations at a point of interest)? 

    • Ahmet Berkay Solak
      Subscriber

      I'm looking to collect the data from simulation time depended instead of ploting such that acoustic features which comes from Acoustics Model - Broadband noise sources. In other words, I'm trying to get raw data that I choose before the simulations running. 

    • Allan Hansen
      Subscriber

      I can't upload .out files here.

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