[Getdp] Issue with Example: Magnetometer

michael.asam at infineon.com michael.asam at infineon.com
Tue Nov 18 10:02:34 CET 2014

Hi Mikail,

from your picture of the mesh it seems that you just have a surface mesh
and no volume elements in your duplicated geometry. When I was meshing
this the first time, Gmsh complained about the mesh algorithm I used by
default (I think it was 2D: Automatic and 3D: Delaunay) because of the mixture
of structured and unstructured mesh. Gmsh suggested to use the Frontal
algorithm here, which worked fine finally.
If you want to have the same structured mesh in your duplicated geometry
I think you have to specify it separately because the transfinite information
is obviously not copied by Duplicata.

Best regards

From: Mikail Ansari [mailto:ansarimikail at yahoo.com]
Sent: Tuesday, November 18, 2014 9:11 AM
To: Asam Michael (IFAG ATV BP D PD DES1)
Cc: Getdp
Subject: Re: [Getdp] Issue with Example: Magnetometer

Hi Michael
I agree with your point on the mesh.  I am not sure how to duplicate the characteristic length as well when duplicating the geometry.  Do I have to specify it separately?

On my default setup, the second beam/geometry doesn't even solve.  I am not sure, if I should add an additional post-processing components to the default.

Screenshots attached.

Mikail M. A. Ansari
Msc, BSc (Electrical Engineering)

On Tuesday, November 18, 2014 9:19 AM, "michael.asam at infineon.com<mailto:michael.asam at infineon.com>" <michael.asam at infineon.com<mailto:michael.asam at infineon.com>> wrote:

Hi Mikail,

I’ve just simulated your file with the default values. Both geometries are solved
but the mesh for the duplicated geometry is not structured and quite coarse.
I suppose the different results are due to the different mesh.
Here are two screenshots:
[cid:image001.png at 01D00316.3F1048A0]
[cid:image002.png at 01D00316.3F1048A0]


From: getdp [mailto:getdp-bounces at ace20.montefiore.ulg.ac.be] On Behalf Of Mikail Ansari
Sent: Friday, November 14, 2014 3:20 PM
To: getdp at geuz.org<mailto:getdp at geuz.org>
Subject: [Getdp] Issue with Example: Magnetometer

I was trying to duplicate the Magnetometer example from the Onelab/GetDP website.

I duplicated the geometry.  I also assigned the physical geometry names.
When solving: only the magnetometer example 1 shows any results.
i.e. the duplicated geometry is not solved.

I have attached the files.  Could you advise me?

Mikail M. A. Ansari
Msc, BSc (Electrical Engineering)

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