Source in boundary due to moving wall
I am modeling a physical system in which I am solving Navier-Stokes with one scalar field(c). I have three questions regarding this system.
1. The scalar manifests itself as a source term in NS equation. And the source term is non-linear in scalar. Now, should I define another linearised source term variable:
(may contain third and higher derivatives)
and do the simulation or should I just include it in terms of c?
2. Scalar has a boundary condition which actually results into a convection equation with source term at moving wall.
Is there a way to implement this in openfoam using current boundary conditions?
3. How good is openfoam in handling third and fourth order derivatives?
Thanks and regards,
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