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User avatar
abelcs
Posts: 141
Joined: Mon Oct 13, 2014 9:14 am

[GiDlist] Concentrating Mesh

Postby abelcs » Thu Sep 01, 2005 11:59 am

Hi,

Normally, latest GiD beta versions would have to point all vectors to the
same direction in "parallel" lines, as long as these lines owns to 4-sided
surfaces, in wich it can be recognised opposite lines ("parallel" ones).
If this is your case, please, send us the model to allow us to detect the
problem.

If lines does not belong to any surface, GiD actually does not recognize the
parallel lines, but we will work in this feature for next beta versions.

Note that you can swap line's normals before concentrating elements using:
- Utilities-Draw-Normals ContextualMenu-Swap Some in old GiD versions.
- View-Normals ContextualMenu-Swap Some in latest GiD beta versions.
So as all line's orientation points to the same direction, and as this way
will be drawn when concentrate elements funcion is called.

Regards,


ABEL


----- Original Message -----
From: "Martin Meiler" Martin.Meiler at lse.eei.uni-erlangen.de
To: gidlist at gatxan.cimne.upc.es
Sent: Wednesday, August 17, 2005 8:48 AM
Subject: [GiDlist] Concentrating Mesh


Hello everybody again,

my question concerns the generation of a structured mesh using the
concentrate elements function. When using this function vector appear on
each line selected. Often the vectors point in different direction on
parallel lines, therefore the element concentration setup process has to
be repeated for the lines pointing in the opposite direction.

Is there any possibility to influence the direction of the vectors?

Regards

Martin


--
--------------------------------------------------------------------

_/ _/_/ _/_/_/ Friedrich Alexander Universität Erlangen
_/ _/ _/ _/ Lehrstuhl für Sensorik
_/ _/ _/ Paul-Gordanstr. 5, 91052 Erlangen, Germany
_/ _/_/ _/_/
_/ _/ _/ University of Erlangen
_/ _/ _/ _/ Department of Sensor Technology
_/_/_/ _/_/ _/_/_/ Paul-Gordanstr. 5, 91052 Erlangen, Germany


Dipl.-Ing. Martin Meiler

tel.: (+49)-9131-85-23140
fax.: (+49)-9131-85-23133

email: Martin.Meiler at lse.eei.uni-erlangen.de

_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist

Martin Meiler

[GiDlist] Concentrating Mesh

Postby Martin Meiler » Thu Sep 01, 2005 1:14 pm

Hi,

i just create a rectangle with the newest GiD version (7.6.0b). The
horizontal lines show the described behaviour, but the vectors of the
vertical lines point in opposite directions.

I tried to swap the normals of some lines by the way described by you,
but this doens't affect anything concerning the direction of the vectors
for concentrate mesh.
There seems to be an inconsistency with the vector orientation between
the "draw normals" and the concentrate mesh vectors (see pics attached)

Is there any possibility within the Tcl Extension to detect the
direction the vectors of lines point to?

Regards,

Martin



Abel Coll wrote:
Hi,

Normally, latest GiD beta versions would have to point all vectors to the
same direction in "parallel" lines, as long as these lines owns to 4-sided
surfaces, in wich it can be recognised opposite lines ("parallel" ones).
If this is your case, please, send us the model to allow us to detect the
problem.

If lines does not belong to any surface, GiD actually does not recognize the
parallel lines, but we will work in this feature for next beta versions.

Note that you can swap line's normals before concentrating elements using:
- Utilities-Draw-Normals ContextualMenu-Swap Some in old GiD versions.
- View-Normals ContextualMenu-Swap Some in latest GiD beta versions.
So as all line's orientation points to the same direction, and as this way
will be drawn when concentrate elements funcion is called.

Regards,


ABEL


----- Original Message -----
From: "Martin Meiler" Martin.Meiler at lse.eei.uni-erlangen.de
To: gidlist at gatxan.cimne.upc.es
Sent: Wednesday, August 17, 2005 8:48 AM
Subject: [GiDlist] Concentrating Mesh


Hello everybody again,

my question concerns the generation of a structured mesh using the
concentrate elements function. When using this function vector appear on
each line selected. Often the vectors point in different direction on
parallel lines, therefore the element concentration setup process has to
be repeated for the lines pointing in the opposite direction.

Is there any possibility to influence the direction of the vectors?

Regards

Martin


--
--------------------------------------------------------------------

_/ _/_/ _/_/_/ Friedrich Alexander Universität Erlangen
_/ _/ _/ _/ Lehrstuhl für Sensorik
_/ _/ _/ Paul-Gordanstr. 5, 91052 Erlangen, Germany
_/ _/_/ _/_/
_/ _/ _/ University of Erlangen
_/ _/ _/ _/ Department of Sensor Technology
_/_/_/ _/_/ _/_/_/ Paul-Gordanstr. 5, 91052 Erlangen, Germany


Dipl.-Ing. Martin Meiler

tel.: (+49)-9131-85-23140
fax.: (+49)-9131-85-23133

email: Martin.Meiler at lse.eei.uni-erlangen.de

_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist


_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist





--
--------------------------------------------------------------------

_/ _/_/ _/_/_/ Friedrich Alexander Universität Erlangen
_/ _/ _/ _/ Lehrstuhl für Sensorik
_/ _/ _/ Paul-Gordanstr. 5, 91052 Erlangen, Germany
_/ _/_/ _/_/
_/ _/ _/ University of Erlangen
_/ _/ _/ _/ Department of Sensor Technology
_/_/_/ _/_/ _/_/_/ Paul-Gordanstr. 5, 91052 Erlangen, Germany


Dipl.-Ing. Martin Meiler

tel.: (+49)-9131-85-23140
fax.: (+49)-9131-85-23133

email: Martin.Meiler at lse.eei.uni-erlangen.de

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User avatar
abelcs
Posts: 141
Joined: Mon Oct 13, 2014 9:14 am

[GiDlist] Concentrating Mesh

Postby abelcs » Fri Sep 02, 2005 8:58 am

Hi,

We have detected the problem. We are working on it and it will be solved in
next beta version.

Thank you for helping us to make GiD better.

Regards.

ABEL



----- Original Message -----
From: "Martin Meiler" Martin.Meiler at lse.eei.uni-erlangen.de
To: gidlist at gatxan.cimne.upc.edu
Sent: Thursday, September 01, 2005 1:47 PM
Subject: Re: [GiDlist] Concentrating Mesh


Hi,

i just create a rectangle with the newest GiD version (7.6.0b). The
horizontal lines show the described behaviour, but the vectors of the
vertical lines point in opposite directions.

I tried to swap the normals of some lines by the way described by you,
but this doens't affect anything concerning the direction of the vectors
for concentrate mesh.
There seems to be an inconsistency with the vector orientation between
the "draw normals" and the concentrate mesh vectors (see pics attached)

Is there any possibility within the Tcl Extension to detect the
direction the vectors of lines point to?

Regards,

Martin



Abel Coll wrote:
Hi,

Normally, latest GiD beta versions would have to point all vectors to
the
same direction in "parallel" lines, as long as these lines owns to
4-sided
surfaces, in wich it can be recognised opposite lines ("parallel" ones).
If this is your case, please, send us the model to allow us to detect
the
problem.

If lines does not belong to any surface, GiD actually does not recognize
the
parallel lines, but we will work in this feature for next beta versions.

Note that you can swap line's normals before concentrating elements
using:
- Utilities-Draw-Normals ContextualMenu-Swap Some in old GiD
versions.
- View-Normals ContextualMenu-Swap Some in latest GiD beta versions.
So as all line's orientation points to the same direction, and as this
way
will be drawn when concentrate elements funcion is called.

Regards,


ABEL


----- Original Message -----
From: "Martin Meiler" Martin.Meiler at lse.eei.uni-erlangen.de
To: gidlist at gatxan.cimne.upc.es
Sent: Wednesday, August 17, 2005 8:48 AM
Subject: [GiDlist] Concentrating Mesh


Hello everybody again,

my question concerns the generation of a structured mesh using the
concentrate elements function. When using this function vector appear on
each line selected. Often the vectors point in different direction on
parallel lines, therefore the element concentration setup process has to
be repeated for the lines pointing in the opposite direction.

Is there any possibility to influence the direction of the vectors?

Regards

Martin


--
--------------------------------------------------------------------

_/ _/_/ _/_/_/ Friedrich Alexander Universität Erlangen
_/ _/ _/ _/ Lehrstuhl für Sensorik
_/ _/ _/ Paul-Gordanstr. 5, 91052 Erlangen, Germany
_/ _/_/ _/_/
_/ _/ _/ University of Erlangen
_/ _/ _/ _/ Department of Sensor Technology
_/_/_/ _/_/ _/_/_/ Paul-Gordanstr. 5, 91052 Erlangen, Germany


Dipl.-Ing. Martin Meiler

tel.: (+49)-9131-85-23140
fax.: (+49)-9131-85-23133

email: Martin.Meiler at lse.eei.uni-erlangen.de

_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist


_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist





--
--------------------------------------------------------------------

_/ _/_/ _/_/_/ Friedrich Alexander Universität Erlangen
_/ _/ _/ _/ Lehrstuhl für Sensorik
_/ _/ _/ Paul-Gordanstr. 5, 91052 Erlangen, Germany
_/ _/_/ _/_/
_/ _/ _/ University of Erlangen
_/ _/ _/ _/ Department of Sensor Technology
_/_/_/ _/_/ _/_/_/ Paul-Gordanstr. 5, 91052 Erlangen, Germany


Dipl.-Ing. Martin Meiler

tel.: (+49)-9131-85-23140
fax.: (+49)-9131-85-23133

email: Martin.Meiler at lse.eei.uni-erlangen.de




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