[Users] prolongation, interpolation
Steven R. Brandt
sbrandt at cct.lsu.edu
Fri Feb 26 10:33:12 CST 2016
I'm looking for a very simple prolongation strategy, if two points
exactly coincide the copy the values. If it is between, assign the
average of the 2 (or 4) neighboring points. How do I get this behavior?
I tried various interpolators (is it "copy"?), some work and some don't.
If I try to use "copy", I get an error:
There is no vertex-centred stencil for op="LAGRANGE" or op="COPY" with
order_space not in {1, 3, 5, 7, 9, 11}
I am setting prolongation_order_space = 1, however. I assume it's the
vertex centering that's the problem. Thanks.
Cheers,
Steve
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