[Gmsh] mesh generation around a circle

Felix Salazar felix.a.salazar at gmail.com
Mon May 23 18:23:56 CEST 2016

Yes, it is possible.

You need to split your surface in several blocks, in an structure usually
known as O-Grid
That will help you control the density and orientation of the elements.

There are several .geo examples in the mailing list
<http://onelab.info/pipermail/gmsh/>. Look for structured mesh in circles.

Hope this helps. Good luck

*Félix Salazar*
felix.a.salazar at gmail.com

On Mon, May 23, 2016 at 7:31 AM, divyaprakash poddar <
divyaprakash.poddar at gmail.com> wrote:

> Hi,
> Is it possible to generate a mesh as shown in attachment1 using gmsh. All
> I have managed to create is shown in attachment2. I know that for patch
> mesh the geometry should be divided in to regions containing 4 boundaries.
> But I am not able to think of a way to apply this so that I achieve the
> same result as in attach1.
> Can you please provide some insight in this.
> The reason I need a mesh similar to the one shown in 1 is because the
> bottom boundary of the mesh changes in the simulation which I am running
> and causes the cells to become highly skewed. I don't think this problem
> will be present with the mesh structure of attach1.
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> gmsh at onelab.info
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