http://gmsh.info/doc/texinfo/gmsh.html#t10_002egeo
-- jeremy theler www.seamplex.com On Sun, May 31, 2020, 03:56 Tian Xia <[email protected]> wrote: > Hi Jeremy, > > Thanks for directing me to the documentation. I can see my first > question answered there. But I still can't see a clear way to create a mesh > like this: > > If I'd like to mesh a box in this way: the surface closed to the eight > corners (for example, distance=1) need to be densely meshed (lc0), other > part of the surface needs to be meshed with lc1. Inside the volume, it can > be meshed as coarse as possible. Is there a way to do that in Gmsh? ( > > More generally, Can I define the surface mesh density and volume mesh > density separately? > > Thank you, > Tian > > > On Sat, May 30, 2020 at 3:35 AM Jeremy Theler <[email protected]> wrote: > >> http://gmsh.info/doc/texinfo/gmsh.html#Specifying-mesh-element-sizes >> >> On Sat, 2020-05-30 at 00:21 -0700, Tian Xia wrote: >> >> Hi Gmsh developers, >> >> Thank you for developing this extremely useful tool. Recently I have >> encountered a couple of problems about generating 3D non-uniform mesh: >> >> 1. If I define a background (for example threshold) field and define the >> lc for an object using "Characteristic Length{ PointsOf{Volume{1};} } = >> lc;", the mesh size in the volume 1 will have two mesh size definitions. >> How will Gmsh treat this this? Will it just use the smaller lc or overwrite >> one of these? >> >> 2. If I'd like to mesh a box in this way: the surface closed to the eight >> corners (for example, distance=1) need to be densely meshed (lc0), other >> part of the surface needs to be meshed with lc1. Inside the volume, it can >> be meshed as coarse as possible. Is there a way to do that in Gmsh? >> >> Thank you for your help! >> >> Bet regards. >> Tian >> >> _______________________________________________ >> >> gmsh mailing list >> >> [email protected] >> >> >> http://onelab.info/mailman/listinfo/gmsh >> >> >> _______________________________________________ >> gmsh mailing list >> [email protected] >> http://onelab.info/mailman/listinfo/gmsh >> > > > -- > Tian >
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