Hi,

Did you call

triangulation.execute_coarsening_and_refinement();

after setting the refinement flag?

Best,
Simon

On 23/06/2022 17:22, LY XXXiao wrote:
Hi there,

Has anyone experienced this issue in mesh refinement:

I have already a basic mesh with 120 cells, and I only want to refine one 
element among them, so I set a refine_flag for this element. But the refinement 
does not happen ?? Is there anything else that I missed? I learned step 1 and 
step 6 for meshing problem.

Best regards,
Longying


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