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Eddy diffusivity values
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TOPIC: Eddy diffusivity values

Eddy diffusivity values 1 year 3 months ago #44470

  • crojas
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Hi,

I have a 3D model working with K-E on both horizontal and vertical. In a simulation, I saved the Eddy diffusivity from the three dimensions (NAX, NAY, and NAZ) for the salinity tracer I have on the model. However, they all have the same values. Is this intended to be that way?

Are there other possibilities for this?


Thanks.
Cristian
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Eddy diffusivity values 1 year 3 months ago #44475

  • konsonaut
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Hi,

since the k-e model is an isotropic turbulence model, it calculates only one turbulent viscosity which in all three spatial directions is the same.

www.cfd-online.com/Wiki/Standard_k-epsilon_model


Best regards,
Clemens
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The following user(s) said Thank You: crojas

Eddy diffusivity values 1 year 3 months ago #44487

  • crojas
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Thanks for the clear answer!

Best,
Cristian
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