[GiDlist] Re: [GiDlist] Re: [GiDlist] A&

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FEA

[GiDlist] Re: [GiDlist] Re: [GiDlist] A&

Post by FEA »

Enrique
Thanks,but I couldn't get the sweep element at geometrical level,Can
you tell me the every step to do.Such as Can you tell me How can I get
prismatic elements at geometrical level.Thanks!

edodo


ÔÚÄúµÄÀ´ÐÅÖÐÌáµ½
The first is to recommend you to use the copy (extrusion) at a geometrical
level, obtaining volumes from surfaces, and then meshing the resulting
volume. Try to avoid to use the copy window over the mesh, because you
highly complicate the application of conditions, materials, etc.

Nevertheless, if you prefer to extrude surface elements, and work with the
resulting volume element (prismatic elements if you originally use
triangular elements, or hexahedral elements if you use quadrilateral ones),
you can use them in the same way of any tridimensional meshing:

*loop elems
*ElemsNum *ElemsConec
*end elems

that will generate a list like:
1 1 2 4
2 6 5 3
3 3 1 4
4 3 4 6
5 13 14 16
6 18 17 15
7 15 13 16
8 15 16 18
9 1 2 4 13 14 16
10 6 5 3 18 17 15
11 3 1 4 15 13 16
12 3 4 6 15 16 18
for an original mesh of four triangles extruded to four prisms.
Note: is created also a moved copy of the original triangles: finally exist 8
triangles and 4 prisms

If you want to write just the prisms, you have to use:

*set elems(prisma)
*loop elems
*ElemsNum *ElemsConec
*end elems

or delete the triangular elements (Meshing-Editg Mesh-Delete elements) and
filter with the Sel Window (secondary mouse button) to apply only over
triangles (Filter: Element Type; triangle).

Aufvidersen, Lucas

----- Original Message -----
From: "FEA" fea at eyou.com
To: gidlist at gatxan.cimne.upc.es
Sent: Thursday, August 29, 2002 2:54 AM
Subject: [GiDlist]
Re: [GiDlist] A question about Mesh


Enrique
Thanks.
I have an other question,I find that we can translation surface element
to
body element,But I could't get the same entities,Why? In other words how
can I
use the sweep element in Gid.

edodo


ÔÚÄúµÄÀ´ÐÅÖÐÌáµ½
It is not available now in GiD the mesh import from Ansys.
Check if Ansys can export in Nastran format.

Enrique

HI
How can I use the information of elements which I have meshed the
same
model
in other software.In other word,If I have used ANSYS to mesh the
model,Than I
want to use the information of elements to generate the same model in
gid
,and
I can get the same elements.

Thanks
Yours edodo





--http://www.eyou.com
--Îȶ¨¿É¿¿µÄÃâ·Ñµç×ÓÐÅÏä ÓïÒôÓʼþ Òƶ¯ÊéÇ© ÈÕÀú·þÎñ
ÍøÂç´æ´¢...ÒÚÓÊδ¾¡


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GiDlist at gid.cimne.upc.es
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--http://www.eyou.com
--Îȶ¨¿É¿¿µÄÃâ·Ñµç×ÓÐÅÏä ÓïÒôÓʼþ Òƶ¯ÊéÇ© ÈÕÀú·þÎñ ÍøÂç´æ´¢...ÒÚÓÊδ¾¡
Enrique Escolano

[GiDlist] Re: [GiDlist] Re: [GiDlist] A&

Post by Enrique Escolano »

At geometrical level is available the surface extrusion with the copy
utility
(Utilities-Copy, Entity type:surface, Do Extrude Volumes)
If the volume have 6 faces, it can be meshed structured with hexahedrals,
but it is not available to mesh with prisms (unstructured in a surface, and
structured in the extrusion direction)

Only is possible to create this prisms extruding directly the surface mesh,
but this mesh operation
only create the new prismatic elements, the geometry is not modified.

Enrique
----- Original Message -----
From: "FEA" fea at eyou.com
To: gidlist at gatxan.cimne.upc.es
Sent: Tuesday, September 03, 2002 5:15 AM
Subject: [GiDlist]
Re: [GiDlist] Re: [GiDlist] A question about&n
bsp;Mesh


Enrique
Thanks,but I couldn't get the sweep element at geometrical
level,Can
you tell me the every step to do.Such as Can you tell me How can I get
prismatic elements at geometrical level.Thanks!

edodo


ÔÚÄúµÄÀ´ÐÅÖÐÌáµ½
The first is to recommend you to use the copy (extrusion) at a
geometrical
level, obtaining volumes from surfaces, and then meshing the resulting
volume. Try to avoid to use the copy window over the mesh, because you
highly complicate the application of conditions, materials, etc.

Nevertheless, if you prefer to extrude surface elements, and work with
the
resulting volume element (prismatic elements if you originally use
triangular elements, or hexahedral elements if you use quadrilateral
ones),
you can use them in the same way of any tridimensional meshing:

*loop elems
*ElemsNum *ElemsConec
*end elems

that will generate a list like:
1 1 2 4
2 6 5 3
3 3 1 4
4 3 4 6
5 13 14 16
6 18 17 15
7 15 13 16
8 15 16 18
9 1 2 4 13 14 16
10 6 5 3 18 17 15
11 3 1 4 15 13 16
12 3 4 6 15 16 18
for an original mesh of four triangles extruded to four prisms.
Note: is created also a moved copy of the original triangles: finally
exist 8
triangles and 4 prisms

If you want to write just the prisms, you have to use:

*set elems(prisma)
*loop elems
*ElemsNum *ElemsConec
*end elems

or delete the triangular elements (Meshing-Editg Mesh-Delete elements)
and
filter with the Sel Window (secondary mouse button) to apply only over
triangles (Filter: Element Type; triangle).

Aufvidersen, Lucas

----- Original Message -----
From: "FEA" fea at eyou.com
To: gidlist at gatxan.cimne.upc.es
Sent: Thursday, August 29, 2002 2:54 AM
Subject: [GiDlist]
Re: [GiDlist] A question about Mesh


Enrique
Thanks.
I have an other question,I find that we can translation surface
element
to
body element,But I could't get the same entities,Why? In other words
how
can I
use the sweep element in Gid.

edodo


ÔÚÄúµÄÀ´ÐÅÖÐÌáµ½
It is not available now in GiD the mesh import from Ansys.
Check if Ansys can export in Nastran format.

Enrique

HI
How can I use the information of elements which I have meshed the
same
model
in other software.In other word,If I have used ANSYS to mesh the
model,Than I
want to use the information of elements to generate the same model
in
gid
,and
I can get the same elements.

Thanks
Yours edodo





--http://www.eyou.com
--Îȶ¨¿É¿¿µÄÃâ·Ñµç×ÓÐÅÏä ÓïÒôÓʼþ Òƶ¯ÊéÇ© ÈÕÀú·þÎñ
ÍøÂç´æ´¢...ÒÚÓÊδ¾¡


_______________________________________________
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






--http://www.eyou.com
--Îȶ¨¿É¿¿µÄÃâ·Ñµç×ÓÐÅÏä ÓïÒôÓʼþ Òƶ¯ÊéÇ© ÈÕÀú·þÎñ
ÍøÂç´æ´¢...ÒÚÓÊδ¾¡


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







--http://www.eyou.com
--Îȶ¨¿É¿¿µÄÃâ·Ñµç×ÓÐÅÏä ÓïÒôÓʼþ Òƶ¯ÊéÇ© ÈÕÀú·þÎñ
ÍøÂç´æ´¢...ÒÚÓÊδ¾¡


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