How to refine mesh in surface using refinement box option ?

Hi,

Use Remesh option in Tetramesh optimization dialogue box to remesh the elements within the refinement box.

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Thanks. Now is it OK if i delete ' Element size control ' (in the component list) ?

yes, no problem. Once the meshing optimization is done, you can delete the temporary size component. 

Hi, I ma trying to follow this procedure but I cannot force elements located on the solid boundary faces to remesh/refine also. Can you help me with that and take a look:

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I also have the same issue as pkozlovsky. The free face are not re-meshed even though the 'Remesh' option is chosen.

Any idea?

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Hello, any expert here to provide some insight or resolution to this problem?

If I were you, i will remesh its faces, then recreate tetra. Just 5 minutes.