Dear Professor Christophe,

Thank you very much, now the model work very well!

I'm so grateful by your attention.

Hugo.

-----Mensagem Original----- From: Christophe Geuzaine
Sent: Monday, February 04, 2013 3:04 PM
To: Hugo Fernando Maia Milan
Cc: <[email protected]> list
Subject: Re: [Gmsh] Importing 2D step as a hole in square


Hi Hugo - Indeed, there was a little bug for Gmsh surfaces (".geo" surfaces) made of both Gmsh and OpenCASCADE curves.

This should now be fixed: give it a try with tomorrow's nightly build.

Christophe









On 02 Feb 2013, at 23:39, Hugo Fernando Maia Milan <[email protected]> wrote:

Dear Professor Christophe,

The step file follow in annex.

-----Mensagem Original----- From: Christophe Geuzaine
Sent: Saturday, February 02, 2013 8:20 PM
To: Hugo Fernando Maia Milan
Subject: Re: [Gmsh] Importing 2D step as a hole in square


Can you send the STEP to me directly (not to the mailing list so it is not made public) ? It should work...

Christophe

On 02 Feb 2013, at 23:13, Hugo Fernando Maia Milan <[email protected]> wrote:

Hi,

If I define the hole in geo file Gmsh, appear the error: Unkown curve -8.
If i define in GUI, Gmsh crash.

-----Mensagem Original----- From: Christophe Geuzaine
Sent: Saturday, February 02, 2013 7:23 PM
To: Hugo Fernando Maia Milan
Cc: [email protected]
Subject: Re: [Gmsh] Importing 2D step as a hole in square


Hugo - Can you try again with the latest nightly build?

On 02 Feb 2013, at 21:29, Hugo Fernando Maia Milan <[email protected]> wrote:

Hi to all,

I'm creating a 2D surface in CAD and importing to Gmsh how step file.

I have created a geo file to define a square surrounded the surface. I want to define CAD surface and square as different things. Meshing this file, Gmsh create a mesh superposing both surfaces, without connections between this surfaces.

So, the possible way is to define the 2D surface as a hole of square in the geo file. However making this Gmsh Crash. When a try to define, in geo file, the lines of 2D as a surface, Gmsh crash.

If I don't define the surface and use the surface number provided by importing the step file and try to define this surface as hole in square, the Gmsh crash too.

I don't know any way to solve this problem. Someone know how to solve this problems?

I'm using gmsh-2.6.1-Windows in Windows 7.

Thanks,

Hugo Milan.

Follow the geo file:

Merge "180AD02step2D.step";
nponts = 8;
nlines = 8;
Line Loop(2) = {1:nlines};
Plane Surface(2) = {1};

lpontcel = 1;

Characteristic Length {1:nponts} = lpontcel;

xmin = General.MinX;
xmax = General.MaxX;
ymin = General.MinY;
ymax = General.MaxY;
zmax = General.MaxZ;

lc = 25;
lx = (xmax - xmin)*6;
ly = (ymax - ymin)*6;


Point(10001) = { (xmax + xmin)/2 - lx, (ymax + ymin)/2 - ly, 0, lc};
Point(10002) = { (xmax + xmin)/2 + lx, (ymax + ymin)/2 - ly, 0, lc};
Point(10003) = { (xmax + xmin)/2 + lx, (ymax + ymin)/2 + ly, 0, lc};
Point(10004) = { (xmax + xmin)/2 - lx, (ymax + ymin)/2 + ly, 0, lc};

Line(10001) = {10004, 10003};
Line(10002) = {10003, 10002};
Line(10003) = {10002, 10001};
Line(10004) = {10001, 10004};
Line Loop(10005) = {10002, 10003, 10004, 10001};
Plane Surface(10006) = {10005, 2};

Characteristic Length {10001:10004} = lc;

Mesh.CharacteristicLengthFromCurvature = 1;
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--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine




--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine


<180AD02step2D.step>

--
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine




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