Midsurface on a trapezoidal prism

- November 9, 2018 at 4:43 pm
  
  csimoneau
  Subscriber
  
  Hello,
  
  Is it possible to automatically generate a midsurface from a trapezoidal prism. I am able to do it manually (see the attached video), but the workflow is not that friendly.
  
  Regards,
  
  Charles
  
  🛈 This post originally contained file attachments which have been removed in compliance with the updated Ansys Learning Forum Terms & Conditions
- November 10, 2018 at 5:49 am
  
  Brian Bueno
  Ansys Employee
  
  Charles Simoneau
  
  The Midsurface function in the Prepare tab should be able to achieve this. Select the Use Range option and enter the maximum thickness of the prism. Click and drag a box around the prism to select it. The faces should be paired automatically.
- November 12, 2018 at 12:44 pm
  
  csimoneau
  Subscriber
  
  Hello Brian,
  
  Thank you for your answer.
  
  The Midsurface function works most of the time, but some trapezoidal prisms it does not work properly even if the specified range covers the min/max thickness of the prism. See attached the geometry where I am unable to generate a midsurface (Note that if I extend the small thickness of 1 mm up to 2 mm, it works fine).
  
  I am on 19.2.
  
  Regards,
  
  Charles
  
  🛈 This post originally contained file attachments which have been removed in compliance with the updated Ansys Learning Forum Terms & Conditions
  - November 13, 2018 at 10:31 pm
    
    Brian Bueno
    Ansys Employee
    
    Charles Simoneau
    
    I'll have to inquire with the development team about this. I'm not sure if the Midsurface tool is intended to work on a body with non-uniform thickness. We may be reaching the limitation of the tool's ability to identify paired faces.
  - November 14, 2018 at 1:46 pm
    
    csimoneau
    Subscriber
    
    Brian Bueno
    
    Ok, thank you Brian.

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