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This PR creates a new utility called RadialBasisFunctionUtilities inside the MappingApplication to include several additional Radial Basis Function (RBF) formulations commonly used for mapping in multi-physics applications (e.g., FSI coupling).

Related PRs
#13917
#13934

FYI @rubenzorrilla, I will not modify the implementation in the core

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@philbucher philbucher left a comment

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LGTM

@matekelemen any comments?

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some documentation would be nice

@rubenzorrilla
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TBH, I think we had the chance to implement more shapes to the RBF utilities in the core. I mean, by closing the other PR, and thus closing the discussion, to open this one you are IMO taking the quick (and suboptimal) path to merge. Nevertheless, this is not sufficient reason to block it.

@juancamarotti
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In my opinion, it makes sense to have this simple Interface in the MappingApplication for the need we have. As I said before, we are using this utility just as an Interface to evaluate RBFs, whereas the implementation in the core is doing the RBF Interpolation

@juancamarotti juancamarotti merged commit 52008f0 into master Nov 9, 2025
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@juancamarotti juancamarotti deleted the core/rbf_shape_functions_utilities branch November 9, 2025 20:36
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4 participants