On Wed, 11 Sep 2019, Li Luo wrote:

> MeshFunction seems to manage the whole equation_systems.

It takes an EquationSystems reference, but you can query and/or
project only some of the solutions within.

> I wonder if there is any simpler operation that can transfer only
> the solutions between two different meshes? (with different
> partition, if possible). 

I'm afraid that's as simple as it gets; there's no anisotropic
uniformly_refine(), so in this case you'd have to actually generate a
new mesh.

> I wrote a routine that transfers the solutions between two nested
> meshes that one is uniformly refined from another (the refined mesh
> has the same partition as the coarse mesh). 

You know that you get this automatically in EquationSystems::reinit(),
right?
---
Roy
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