I would like to calculate transient mean values from Data Sampling for Time Statistics. When I plot Mean Velocity profile, the velocity at the wall is not zero. why is this?

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I would like to calculate transient mean values from Data Sampling for Time Statistics. When I plot Mean Velocity profile, the velocity at the wall is not zero. why is this?

I would like to calculate transient mean values from Data Sampling for Time Statistics. When I plot Mean Velocity profile, the velocity at the wall is not zero. why is this?

Tagged: 2022 R1, fluent, fluid-dynamics, LES/DES/SAS, post-processing, turbulence

- March 17, 2023 at 8:59 am
  
  FAQ
  Participant
  
  Mean statistics are collected only in interior cells and not on wall surfaces. Therefore, when node or cell values of mean quantities are plotted on the wall surface, you are actually plotting values in nearby cells attached to the wall. Please refer to this section of the user’s guide : https://ansyshelp.ansys.com/account/secured?returnurl=/Views/Secured/corp/v221/en/flu_ug/x1-108200013.18.2.html

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General

I would like to calculate transient mean values from Data Sampling for Time Statistics. When I plot Mean Velocity profile, the velocity at the wall is not zero. why is this?

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