[Gmsh] characteristic length

Mikhail Artemyev artemiev.mikhail at gmail.com
Tue Jun 30 14:54:11 CEST 2015


Hi,

With gmsh 2.9.3 on Ubuntu 64-bit, I got exactly 10 triangles per side as
expected. My guess is that you have a global setting in ~/.gmshrc or
~/.gmsh-options that affects the characteristic length size. Save those
files somewhere, and do Tools->Options->General->Advanced->Restore all
options to default settings. Then check if it helps. If not, just copy
setting files back.

Best,
Mikhail


On Tue, Jun 30, 2015 at 5:00 AM, <gmsh-request at ace20.montefiore.ulg.ac.be>
wrote:

> Hi there,
>
> I found the characteristic length is rather intriguing.
>
> I used the following code
>
> Point(1) = {0, 0, 0, 0.1};
> Extrude {1, 0, 0} {
>      Point{1};
>    }
> Extrude {0, 1, 0} {
>      Line{1};
>    }
>
> and GMSH gives three elements per side. See attachment. Should I expect 10
> elements? or I misunderstood the definition?
>
> Thanks in advance.
>
> Peter
>
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