[vitorspadeto]

Hi friends!


I would simulate a non-newtonian case (blood). I choose the solver simpleFoam for it. Then I found out I can simulate newtonian and Non-Newtonian fluids with simpleFoam. For it, just have to specify which turbulence model to use in constant/turbulentProperties file.

About This, I have some questions:

(IF YOU KNOW ANSWER JUST ONE QUESTION BELOW, PLEASE, I WILL APRECIATE SEE YOUR COMMENTARY!)


1- The simpleFoam is the best choice (it's a vein geometry)?;

2- about specifying of turbulence model in simpleFoam (in constant/turbulentProperties file), I saw this list of options in the user guide. Is this the COMPLETE and CORRECT list of options?

Transport models for incompressible fluids — incompressibleTransportModels

        Newtonian >>>>Linear viscous fluid model;
        CrossPowerLaw>>>>>Cross Power law nonlinear viscous model;
        BirdCarreau>>>>>Bird-Carreau nonlinear viscous model;
        HerschelBulkley>>>>>Herschel-Bulkley nonlinear viscous model;
        powerLaw>>>>>Power-law nonlinear viscous model;
        interfaceProperties>>>>>Models for the interface, e.g. contact angle, in multiphase simulations.

Table 3.10: Shared object libraries of transport models.

3 - The Non-Newtonian BirdCarreau option (above) is the Carreau – Yasuda model? .. I'm looking for this model...

(I'm a begginer)
THANKS FOR ATENTION FRIENDS!!!

[alexeym]

Hi,

Originally Posted by vitorspadeto

I would simulate a non-newtonian case (blood). I choose the solver simpleFoam for it. Then I found out I can simulate newtonian and Non-Newtonian fluids with simpleFoam. For it, just have to specify which turbulence model to use in constant/turbulentProperties file.

It's constant/transportProperties file.

1- The simpleFoam is the best choice (it's a vein geometry)?;

It's depends on the result you'd like to get. simpleFoam is a solver for steady state problems. If you'd like to analyze time evolution, you should go with pimpleFoam.

3 - The Non-Newtonian BirdCarreau option (above) is the Carreau – Yasuda model? .. I'm looking for this model...

$ cd $FOAM_SRC/transportModels/incompressible/viscosityModels
$ ls -1
BirdCarreau
CrossPowerLaw
HerschelBulkley
Newtonian
powerLaw
viscosityModel
$ head -35 BirdCarreau/BirdCarreau.H
...
Description
    An incompressible Bird-Carreau non-Newtonian viscosity model.

    The Bird-Carreau-Yasuda form is also supported if the optional "a"
    coefficient is specified.  "a" defaults to 2 for the Bird-Carreau model.