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Fluids

Fluids

Topics related to Fluent, CFX, Turbogrid and more.

Plotting Pressure against Crank Angle Degrees in Fluent

    • goldencatto
      Subscriber
    • Rob
      Forum Moderator
      Crank angle is a function of time so you could create an expression. Note, as the crank will rotate many times it's not a good number to plot against. You can also write the data to a file for editing in Excel or the like later on. n
    • goldencatto
      Subscriber

      Crank angle is a function of time so you could create an expression. Note, as the crank will rotate many times it's not a good number to plot against. You can also write the data to a file for editing in Excel or the like later on./forum/discussion/comment/107384#Comment_107384

      Hi Sir, thank you for the reply. By creating an expression, do I have to do it by using the Expression Report Definition? Sorry, I'm quite new to Fluentn
    • Rob
      Forum Moderator
      Either an expression (if it's available) using the Expression Manager or a custom field function. I'd export the data and use Excel to do the graphing as you can manipulate the x-axis to suit what you need. n
    • goldencatto
      Subscriber

      Either an expression (if it's available) using the Expression Manager or a custom field function. I'd export the data and use Excel to do the graphing as you can manipulate the x-axis to suit what you need./forum/discussion/comment/107638#Comment_107638

      Sorry Sir, but I dont quite understand the export part. Do I export the data using the File>Export>Data? Or do I use the 'Write To File' option in Solution XY Plot (the x axis function would be direction vector instead of time-step or iterations though)? Thank you so much Sir for helping. nn
    • Rob
      Forum Moderator
      Write to File, this will give a space delimited text file. File - Export data would be used for surface and volume data for a range of formats. n
    • YasserSelima
      Subscriber
      if you want time or time step, You can find it report file. or in monitor ... it will write the values in a column while the time in another columnn
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