Mesh Independence Study - Layering disappears across study meshes

Here is SRJ3 convergence to 2000s with your numerics:

Here is SRJ3 forces results to 2000s with your nemerics:

Here is SRJ4 convergence to 2000s with your numerics:

Here is SRJ4 forces results to 2000s with your nemerics:

All the results shown vary less than 0.1% between 500s and 2000s.

What are we trying to determine with these plots?

Dale