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Fluids

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FMG Option Under Initilization Method

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    • December 20, 2024 at 6:33 am
      se23mcme001
      Subscriber

      Hi, folks

      I am currently using Ansys 2024, and in this version there is one new option under Solution Initialization -> FMG Initialization, and even under it we can find FMG Options -> Viscous Terms toggle.

      My question is whether this viscous term enable/disable toggle is a new addition in 2024 or it just got separated out from being an inbuilt feature earlier.

      I have an Ansys 2023R1 license on my cloud server, so is there any way to enable this?

       

    • December 20, 2024 at 9:13 am
      Saurabh R Patil
      Ansys Employee

       

      Hi,

      By default, the FMG initialization procedure computes an initial solution based on the Euler equations of inviscid flows. The density-based solver offers the possibility of adding the viscous terms of the Navier-Stokes equation to the FMG initialization procedure. 

      You can check fluent user’s guide for more details: 36.10. Full Multigrid (FMG) Initialization

       

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