Definition of a linear function as volScalarField
I am trying to model non-newtonian flow and in the model I am being using I have a linear function that depends on the trace of stress tensor field, in the form
I am using the PISO algorithm to solve the equations, and I believe to calculate that linear function I need to define a volScalarField, and mapped it in the mesh. I am using the following code to do this
1.0 + K*tr(stressS)
K is a scalar constant. Am I right? I think this code initializes the scalar field, that is then recalculated in each iteration.
However, when I compare my predictions with analytical results, I do not get good results. I may be due to the definition of the linear function.
Can someone help me out? Thanks,
openfoam solvers combination
I am trying to combine two solvers of openfoam (nonNewtonianIcoFoam anddieselFoam). I need an algorithm to do it.
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