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Merge remote-tracking branch 'origin/master' into boundarylayer_fixes

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This commit is contained in:
Matthias Hochsteger 2024-02-05 10:08:32 +01:00
commit 93590c8407
5 changed files with 41 additions and 13 deletions
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8
libsrc/meshing/boundarylayer.cpp
View File

@ -1145,6 +1145,11 @@ struct GrowthVectorLimiter {
moved_surfaces.SetBit(i);
mesh.SetBCName(new_si-1, "mapped_" + name);
}
// curving of surfaces with boundary layers will often
// result in pushed through elements, since we do not (yet)
// curvature through layers.
// Therefore we disable curving for these surfaces.
mesh.GetFaceDescriptor(i).SetSurfNr(-1);
}
}
@ -1782,6 +1787,9 @@ struct GrowthVectorLimiter {
if(surfacefacs[sel.GetIndex()] > 0) Swap(points[0], points[2]);
for(auto i : Range(points))
el[sel.PNums().Size() + i] = points[i];
auto new_index = new_mat_nrs[sel.GetIndex()];
if(new_index == -1)
throw Exception("Boundary " + ToString(sel.GetIndex()) + " with name " + mesh.GetBCName(sel.GetIndex()-1) + " extruded, but no new material specified for it!");
el.SetIndex(new_mat_nrs[sel.GetIndex()]);
if(add_volume_element)
mesh.AddVolumeElement(el);

8
libsrc/occ/python_occ_shapes.cpp
View File

@ -633,8 +633,12 @@ public:
{
TopoDS_Wire wire = wires.back();
wires.pop_back();
BRepOffsetAPI_MakeOffset builder;
builder.AddWire(wire);
// handle wires containing a single edge correctly, see
// https://dev.opencascade.org/content/brepoffsetapimakeoffset-open-topodswire
BRepBuilderAPI_MakeFace makeFace{gp_Pln{axes}};
makeFace.Add(wire);
BRepOffsetAPI_MakeOffset builder(makeFace.Face());
builder.Perform(d);
auto shape = builder.Shape();
wires.push_back (TopoDS::Wire(shape.Reversed()));

2
libsrc/visualization/vssolution.cpp
View File

@ -2308,6 +2308,8 @@ namespace netgen
for (sei = 0; sei < nse; sei++)
{
const Element2d & el = (*mesh)[sei];
if(!SurfaceElementActive(vsol, *mesh, el))
continue;
if (el.GetType() == TRIG || el.GetType() == TRIG6)
{

19
python/read_gmsh.py
View File

@ -22,7 +22,10 @@ def ReadGmsh(filename):
pointmap = {}
facedescriptormap = {}
namemap = { 0 : "default" }
namemap = { 0 : { 0 : "default" },
1: { 0 : "default" },
2: { 0 : "default" },
3: { 0 : "default" } }
materialmap = {}
bbcmap = {}
@ -80,7 +83,7 @@ def ReadGmsh(filename):
for i in range(numnames):
f.readline
line = f.readline()
namemap[int(line.split()[1])] = line.split()[2][1:-1]
namemap[int(line.split()[0])][int(line.split()[1])] = line.split()[2][1:-1]
if line.split()[0] == "$Nodes":
num = int(f.readline().split()[0])
@ -115,7 +118,7 @@ def ReadGmsh(filename):
else:
index = len(bbcmap) + 1
if len(namemap):
mesh.SetCD2Name(index, namemap[tags[0]])
mesh.SetCD2Name(index, namemap[1][tags[0]])
else:
mesh.SetCD2Name(index, "line" + str(tags[1]))
bbcmap[tags[1]] = index
@ -127,7 +130,7 @@ def ReadGmsh(filename):
index = len(facedescriptormap) + 1
fd = FaceDescriptor(bc=index)
if len(namemap):
fd.bcname = namemap[tags[0]]
fd.bcname = namemap[1][tags[0]]
else:
fd.bcname = 'line' + str(tags[1])
mesh.SetBCName(index - 1, fd.bcname)
@ -139,7 +142,7 @@ def ReadGmsh(filename):
else:
index = len(materialmap) + 1
if len(namemap):
mesh.SetMaterial(index, namemap[tags[0]])
mesh.SetMaterial(index, namemap[1][tags[0]])
else:
mesh.SetMaterial(index, "line" + str(tags[1]))
materialmap[tags[1]] = index
@ -154,7 +157,7 @@ def ReadGmsh(filename):
index = len(facedescriptormap) + 1
fd = FaceDescriptor(bc=index)
if len(namemap):
fd.bcname = namemap[tags[0]]
fd.bcname = namemap[2][tags[0]]
else:
fd.bcname = "surf" + str(tags[1])
mesh.SetBCName(index - 1, fd.bcname)
@ -166,7 +169,7 @@ def ReadGmsh(filename):
else:
index = len(materialmap) + 1
if len(namemap):
mesh.SetMaterial(index, namemap[tags[0]])
mesh.SetMaterial(index, namemap[2][tags[0]])
else:
mesh.SetMaterial(index, "surf" + str(tags[1]))
materialmap[tags[1]] = index
@ -187,7 +190,7 @@ def ReadGmsh(filename):
else:
index = len(materialmap) + 1
if len(namemap):
mesh.SetMaterial(index, namemap[tags[0]])
mesh.SetMaterial(index, namemap[3][tags[0]])
else:
mesh.SetMaterial(index, "vol" + str(tags[1]))
materialmap[tags[1]] = index

17
python/webgui.py
View File

@ -189,7 +189,7 @@ def GetData(mesh, args, kwargs):
for i, el in enumerate(mesh.Elements2D()):
pnts[i, :, 3] = el.index - 1
fds = mesh.FaceDescriptors()
d["colors"] = [fd.color for fd in fds]
d["colors"] = [fd.color +(fd.transparency,) for fd in fds]
d["mesh_regions_2d"] = len(fds)
d["names"] = [fd.bcname for fd in fds]
@ -222,6 +222,17 @@ class WebGLScene(base):
self.kwargs = kwargs
self.encoding = "b64"
def Redraw(self, *args, **kwargs):
if args or kwargs:
if 'show' not in kwargs:
kwargs['show'] = False
new_scene = Draw(*args, **kwargs)
self.obj = new_scene.obj
self.args = new_scene.args
self.kwargs = new_scene.kwargs
super().Redraw()
def GetData(self, set_minmax=True):
self.kwargs["encoding"] = self.encoding
typ = type(self.obj)
@ -361,12 +372,12 @@ def _get_draw_default_args():
)
def Draw(obj, *args, **kwargs):
def Draw(obj, *args, show=True, **kwargs):
kwargs_with_defaults = _get_draw_default_args()
kwargs_with_defaults.update(kwargs)
scene = WebGLScene(obj, args, kwargs_with_defaults)
if wg is not None and wg._IN_IPYTHON:
if show and wg is not None and wg._IN_IPYTHON:
if wg._IN_GOOGLE_COLAB:
from IPython.display import display, HTML