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Merge branch 'boundarylayer_restriction' into 'master'

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Restrict growth vector only taking boundary of domain into account

See merge request jschoeberl/netgen!497
This commit is contained in:
Matthias Hochsteger 2022-04-08 12:39:50 +00:00
commit 7ad44b46fd
1 changed files with 9 additions and 1 deletions
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10
libsrc/meshing/boundarylayer.cpp
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@ -263,8 +263,12 @@ namespace netgen
}
};
// first step: intersect with other surface elements
// first step: intersect with other surface elements that are boundary of domain the layer is grown into
// second (and subsequent) steps: intersect with other boundary layers, allow restriction by 20% in each step
auto changed_domains = domains;
if(!params.outside)
changed_domains.Invert();
bool limit_reached = true;
double lam_lower_limit = 1.0;
int step = 0;
@ -287,6 +291,10 @@ namespace netgen
{
const auto & sel = mesh[sei];
Box<3> box(Box<3>::EMPTY_BOX);
const auto& fd = mesh.GetFaceDescriptor(sel.GetIndex());
if(!changed_domains.Test(fd.DomainIn()) &&
!changed_domains.Test(fd.DomainOut()))
continue;
for(auto pi : sel.PNums())
box.Add(mesh[pi]);
// also add moved points to bounding box