On Tue, 15 Mar 2016, Salazar De Troya, Miguel wrote:
I’m interested in calculating QoI’s in different regions of the
domain. I guess that I could include a conditional with the
subregion coordinates where I want the QoI to be calculated, but I
thought there should be a cleaner way. Is using subdomains the way?
I think conditionals look pretty clean, and (especially with parsed
functions) they're very flexible, but using subdomains is more
efficient.
If so, how can I assign subdomains in my .xda mesh file?
What I did with a similar problem (assigning boundary ids) was to
write src/apps/meshbcid.C, which does various tests while looping over
elements and assigns ids accordingly.
If I were to do it again I'd use a parsed function for the conditions.
If you were to do so please send us a PR. :-)
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Roy
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