[GiDlist] The NASA metallic almond

[Enrique Escolano]

MensajeThis is a small geometry example to obtain a structured hexahedral mesh. To create the mesh use Meshing-generate
with any mesh size (this size is avoided because all number of mesh divisions is set by the structured mesh info)

GiD only generate hexahedrals in structured mode, it requires to divide the model in 6-faceted volumes), and then assign
meshing structured volumes (and the number of divisions in each three directions).

Enrique Escolano
----- Original Message -----
From: Adisorn Owatsiriwong
To: gidlist at gatxan.cimne.upc.es
Sent: Friday, April 25, 2003 11:29 PM
Subject: Re: [GiDlist] Can I create structured mesh with only points?


Dear GiD Teams,

Thank you for all useful answer, Thank also for Dr.Ribo. I am very new to tcl and it's so important to have all of your guidances. Anyway, it means people need to use hex elements in transferring results from Finite Volume (in case they will not modify GiD), can anybody provide me a case study for this.

Best regards,
Adisorn


----- Original Message -----
From: Ramon Ribó
To: gidlist at gatxan.cimne.upc.es
Sent: Friday, April 25, 2003 5:04 PM
Subject: RE: [GiDlist] Can I create structured mesh with only points?



Hello,

If the nodes follow a given ordering and there is only one block of elements, the code that
you need to program to create the elements is really trivial. I am sure that you can program
it in less that 20 lines of code (of TCL of course). Ask for more help if you are not able to do it.

Regards,
--
Compass Ing. y Sistemas Dr. Ramon Ribo
http://www.compassis.com ramsan at compassis.com
c/ Manuel Girona, 61 bajos tel. +34 93 204 10 82
08034 Barcelona, Spain fax. +34 93 204 19 09

-----Mensaje original-----
De: gidlist-admin at gatxan.cimne.upc.es [mailto:gidlist-admin at gatxan.cimne.upc.es] En nombre de Adisorn Owatsiriwong
Enviado el: viernes, 25 de abril de 2003 12:49
Para: GiD
Asunto: [GiDlist] Can I create structured mesh with only points?


Dear GiD Team,

I need to transfer results from finite difference (finite volume) to GiD post.The results only provide at node and I require no element to make such computations. It's more convenient to transfer these results to node directly. Can I create a structured mesh with only points instead of hex elements? I tried but it failed,and finally I got unstructured mesh.

Bests,
Adisorn
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[Enrique Escolano]

----- Original Message -----
From: "VSayako Willy" vilaysako at yahoo.com
To: gidlist at gatxan.cimne.upc.es
Sent: Monday, April 28, 2003 8:37 AM
Subject: [GiDlist] Draw Local Axes in Post processing



Hi GiD Team
Could you Please show how to specify the local axes
in the post processing. I've tried as instructed in
on-line document but it's not working out.
OK let's say local axes for each element at a
centroid.
For example if I have values for local axes as:
x'=[1,0,0]
y'=[0,1,0]
z'=[0,0,1]

How to write the post for these vectors???

Many thanks

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[Enrique Escolano]

The Euler angles is a sequence of counter-clockwise passive rotations; that is, the vector remains fixed while the coordinate axes are rotated--new vector components are computed in new coordinate frame.
In your case with local axes equal to global axes, all the rotations (in radians) are zero

GiD Post Results File 1.0
Result "Local axes" "test" 1 LocalAxes OnNodes
Values
1 0 0 0
2 0 0 0
...
End values

If your local axes are for example x'=y, y'= - x, z'=z , (90 degrees around z axe) then must write as euler angles 0 0 -pi/2

Enrique Escolano

----- Original Message -----
From: "VSayako Willy" vilaysako at yahoo.com
To: gidlist at gatxan.cimne.upc.es
Sent: Monday, April 28, 2003 8:37 AM
Subject: [GiDlist] Draw Local Axes in Post processing



Hi GiD Team
Could you Please show how to specify the local axes
in the post processing. I've tried as instructed in
on-line document but it's not working out.
OK let's say local axes for each element at a
centroid.
For example if I have values for local axes as:
x'=[1,0,0]
y'=[0,1,0]
z'=[0,0,1]

How to write the post for these vectors???

Many thanks

__________________________________
Do you Yahoo!?
The New Yahoo! Search - Faster. Easier. Bingo.
http://search.yahoo.com
_______________________________________________
GiDlist mailing list
GiDlist at gid.cimne.upc.es
http://gid.cimne.upc.es/mailman/listinfo/gidlist

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[Enrique Escolano]

This is the rotation transform, defined by the euler angles, of a vector v.






Enrique

----- Original Message -----
From: "Enrique Escolano" escolano at cimne.upc.es
To: gidlist at gatxan.cimne.upc.es
Sent: Monday, April 28, 2003 12:26 PM
Subject: Re: [GiDlist] Draw Local Axes in Post processing



----- Original Message -----
From: "VSayako Willy" vilaysako at yahoo.com
To: gidlist at gatxan.cimne.upc.es
Sent: Monday, April 28, 2003 8:37 AM
Subject: [GiDlist] Draw Local Axes in Post processing



Hi GiD Team
Could you Please show how to specify the local axes
in the post processing. I've tried as instructed in
on-line document but it's not working out.
OK let's say local axes for each element at a
centroid.
For example if I have values for local axes as:
x'=[1,0,0]
y'=[0,1,0]
z'=[0,0,1]

How to write the post for these vectors???

Many thanks

__________________________________
Do you Yahoo!?
The New Yahoo! Search - Faster. Easier. Bingo.
http://search.yahoo.com
_______________________________________________
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

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