[Nek5000-users] Grid to grid interpolation

[nek5000-users at lists.mcs.anl.gov]

Hi,

Recently there was an updated routine in nek called grid-to-grid
interpolation (g2gi). I tried to understand it by grepping to source code,
but couldn't make much sense out of it. Could anyone brief what it is it for
?

I have a nek simulation in which I have got lots of data, but for some
comparisons, would like to do a grid refinement (quad/oct from prenek) and
restart from the existing field files if that is possible. I know that for
h-type refinement, usually the simulation has to be started afresh. But I
was wondering if g2gi would make it possible to restart from a previous
simulation.

Thanks
Shriram
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