Postprocessing

Postprocessing

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  2. Fluids - Postprocessing
  3. In CFD-Post: When I view my blade in turbo/mprime space, the surface of the blade looks wavy or wrinkled. Is this a problem with the geometry in BladeGen or TurboGrid? Will I have to regenerate the geometry, remesh and rerun the case?

In CFD-Post: When I view my blade in turbo/mprime space, the surface of the blade looks wavy or wrinkled. Is this a problem with the geometry in BladeGen or TurboGrid? Will I have to regenerate the geometry, remesh and rerun the case?

Tagged: 2019 R2, cfd-post, fluid-dynamics, Turbo Post-processing, turbomachinery
    • March 17, 2023 at 8:59 am
      FAQFAQ
      Participant

      The problem is most likely a Post-processing issue. The mapping from cartesian to mprime (turbo) space in Turbo Post requires a background mesh to represent the turbo geometry. For complex or axially long geometries, more nodes may be required for this background mesh to allow an accurate transformation to turbospace. To fix the wrinkles: 1. Go to the Turbo tab and Double-click the affected component under Initialization. 2. There, expand Background Mesh and increase the number of nodes from 2000 to 4000 or more. 3. Plotting should show an improvement in the wiggles

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