How to give more collocation points to a certain area of interest?

Physics Simulation Modulus Physics-ML Model Framework Technical Support (Modulus Only)
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I want to increase more collocation points near my airfoil . How to do that? Is there any example showing that ? Any help, advice would be invaluable.

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The way I did it was by creating a duplicate of my internal constraint but then using the criteria parameter of the InternalBoundaryConstraint to restrict the sampling to a subsection of the volume.

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You could try to use the importance measure ( Advanced Schemes and Tools - NVIDIA Docs ); it does not do what you want, but its effect may be similar to what you have in mind;

It can be also used in conjunction to what @npstrike said.