Comparison of balanced solver with variable and constant f

Data location /export/custard/disk-02/ross/FullResTests_Nov06/Bal_Best_variablef/
Data location /export/custard/disk-02/ross/FullResTests_Nov06/Bal_Best_constantf/

The systems were identical in every other way. 3 inner GCR loops, ADI preconditioner (mu = -10^-8) with 4 steps, no mass weighting.

Left: Variable f, Right: Constant f = 1.0312 *10^-4 (appropriate to 45 N).
Top: RHS PV at Greenwich meridian, Bottom: balanced streamfunction output from solver.

Residual plots vs total GCR iteration count
Variable f, Constant f

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