Hi everyone,
When combining two domains using an opencascade union, the seams will still
be respected by the mesher. As an example, check out the geometry of a
union of two overlapping circles:
```
SetFactory("OpenCASCADE");
s0 = news;
Disk(s0) = {-5.0, 0.0, 0.0, 10.0};
s1 = news;
Disk(s1) = {5.0, 0.0, 0.0, 10.0};
bo1[] = BooleanUnion{Surface {s0}; Delete;} {Surface {s1}; Delete;};
```
After the meshing process, the outlines of both circles are still
recognizable.
Is it possible to give the mesher the freedom to disregard the outlines?
Cheers,
Nico
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