[GiDlist] duplicate option

Moderator: GiD Team

Lucrecia Calderón

[GiDlist] duplicate option

Postby Lucrecia Calderón » Tue Jun 10, 2008 4:00 pm

Hello to all.



Can I make cracks with duplicate option? What does this option make? When
can I use this option?



Thanks to all.



Janneth

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

[GiDlist] duplicate option

Postby abelcs » Tue Jun 10, 2008 6:09 pm

Hello Janneth,

You can use the 'duplicate' option to deal with cracks if you have the
corresponding geometrical entity where the crack will be. When you assign
'duplicate' mesh criteria to an entity, this entity will give two meshes,
one oriented to each sense.

You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).

Regards,

ABEL


_________________________________
Abel Coll Sans - Civil Engineer
CIMNE - International Center for Numerical Methods in Engineering
Ofice c-2, C1 building - Campus Nord UPC
Gran Capità s/n, 08034 Barcelona
T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17


_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option



Hello to all.



Can I make cracks with duplicate option? What does this option make? When
can I use this option?



Thanks to all.



Janneth

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Lucrecia Calderón

[GiDlist] duplicate option

Postby Lucrecia Calderón » Tue Jun 10, 2008 10:31 pm

Hello Abel



Of course, but i have another question. Is it possible that a crack will be
on perimeter? In this example the crack is inside the element.

I made a model by “duplicate option” in an element perimeter but always it
gives me tension on the crack head although it’s in the element perimeter.





Example







I haven’t been able to make it. I would be very grateful if you could help
me.



Thanks in advance.









Janneth.



(Excuse me for my English.)









_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Abel Coll
Enviado el: martes, 10 de junio de 2008 19:08
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



You can use the 'duplicate' option to deal with cracks if you have the
corresponding geometrical entity where the crack will be. When you assign
'duplicate' mesh criteria to an entity, this entity will give two meshes,
one oriented to each sense.



You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).



Regards,



ABEL





_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17





_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option

Hello to all.



Can I make cracks with duplicate option? What does this option make? When
can I use this option?



Thanks to all.



Janneth

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

[GiDlist] duplicate option

Postby abelcs » Wed Jun 11, 2008 9:03 am

Hello Janneth,

There is no problem if you want to have the lines or surfaces with
"duplicate" mesh criteria in the perimeter. Thee only thing you have to take
into account is that GiD cannot create a surface if a line owns to it two
times. You may have to split the surface into 2, and assign to some of the
sharing lines the "duplicate" mesh criteria.

Find in the attachment a graphical example which may explain better this
explanation.

Regards,

ABEL

_________________________________
Abel Coll Sans - Civil Engineer
CIMNE - International Center for Numerical Methods in Engineering
Ofice c-2, C1 building - Campus Nord UPC
Gran Capità s/n, 08034 Barcelona
T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17


_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 23:29
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Abel



Of course, but i have another question. Is it possible that a crack will be
on perimeter? In this example the crack is inside the element.

I made a model by “duplicate option” in an element perimeter but always it
gives me tension on the crack head although it’s in the element perimeter.





Example







I haven’t been able to make it. I would be very grateful if you could help
me.



Thanks in advance.









Janneth.



(Excuse me for my English.)









_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Abel Coll
Enviado el: martes, 10 de junio de 2008 19:08
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



You can use the 'duplicate' option to deal with cracks if you have the
corresponding geometrical entity where the crack will be. When you assign
'duplicate' mesh criteria to an entity, this entity will give two meshes,
one oriented to each sense.



You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).



Regards,



ABEL





_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17





_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option

Hello to all.



Can I make cracks with duplicate option? What does this option make? When
can I use this option?



Thanks to all.



Janneth

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Lucrecia Calderón

[GiDlist] duplicate option

Postby Lucrecia Calderón » Wed Jun 11, 2008 4:35 pm

Hello Abel



Thanks for your help. I have been able to resolve the problem.



Janneth



_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Abel Coll
Enviado el: miércoles, 11 de junio de 2008 10:03
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



There is no problem if you want to have the lines or surfaces with
"duplicate" mesh criteria in the perimeter. Thee only thing you have to take
into account is that GiD cannot create a surface if a line owns to it two
times. You may have to split the surface into 2, and assign to some of the
sharing lines the "duplicate" mesh criteria.



Find in the attachment a graphical example which may explain better this
explanation.



Regards,



ABEL



_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17





_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 23:29
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option

Hello Abel



Of course, but i have another question. Is it possible that a crack will be
on perimeter? In this example the crack is inside the element.

I made a model by “duplicate option” in an element perimeter but always it
gives me tension on the crack head although it’s in the element perimeter.





Example







I haven’t been able to make it. I would be very grateful if you could help
me.



Thanks in advance.









Janneth.



(Excuse me for my English.)









_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Abel Coll
Enviado el: martes, 10 de junio de 2008 19:08
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



You can use the 'duplicate' option to deal with cracks if you have the
corresponding geometrical entity where the crack will be. When you assign
'duplicate' mesh criteria to an entity, this entity will give two meshes,
one oriented to each sense.



You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).



Regards,



ABEL





_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17





_____

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu]
En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option

Hello to all.



Can I make cracks with duplicate option? What does this option make? When
can I use this option?



Thanks to all.



Janneth

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User avatar
escolano
Posts: 1627
Joined: Thu Sep 18, 2014 3:31 pm

[GiDlist] duplicate option

Postby escolano » Mon Jun 16, 2008 11:42 am

Hello Jannet,

You are right, The end nodes of the 'duplicated lines' are shared, not duplicated. It's well for internal 'cracks', but as you said it's bad for lines cutting the perimeter, because the final node is joining both parts.
We will enhance our algorith for next versions to deal with this kind of situations.

Regards

Enrique Escolano
----- Original Message -----
From: Lucrecia Calderón
To: gidlist at gid.cimne.upc.edu
Sent: Tuesday, June 10, 2008 11:29 PM
Subject: RE: [GiDlist] duplicate option


Hello Abel



Of course, but i have another question. Is it possible that a crack will be on perimeter? In this example the crack is inside the element.

I made a model by "duplicate option" in an element perimeter but always it gives me tension on the crack head although it's in the element perimeter.





Example







I haven't been able to make it. I would be very grateful if you could help me.



Thanks in advance.









Janneth.



(Excuse me for my English.)










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

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu] En nombre de Abel Coll
Enviado el: martes, 10 de junio de 2008 19:08
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



You can use the 'duplicate' option to deal with cracks if you have the corresponding geometrical entity where the crack will be. When you assign 'duplicate' mesh criteria to an entity, this entity will give two meshes, one oriented to each sense.



You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).



Regards,



ABEL





_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17






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

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu] En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option

Hello to all.



Can I make cracks with duplicate option? What does this option make? When can I use this option?



Thanks to all.



Janneth
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User avatar
escolano
Posts: 1627
Joined: Thu Sep 18, 2014 3:31 pm

[GiDlist] duplicate option

Postby escolano » Mon Jun 16, 2008 10:16 pm

The GiD 9 release version will have this feature, to act like your image.

Enrique

----- Original Message -----
From: Enrique Escolano
To: gidlist at gid.cimne.upc.edu
Sent: Monday, June 16, 2008 12:40 PM
Subject: Re: [GiDlist] duplicate option


Hello Jannet,

You are right, The end nodes of the 'duplicated lines' are shared, not duplicated. It's well for internal 'cracks', but as you said it's bad for lines cutting the perimeter, because the final node is joining both parts.
We will enhance our algorith for next versions to deal with this kind of situations.

Regards

Enrique Escolano
----- Original Message -----
From: Lucrecia Calderón
To: gidlist at gid.cimne.upc.edu
Sent: Tuesday, June 10, 2008 11:29 PM
Subject: RE: [GiDlist] duplicate option


Hello Abel



Of course, but i have another question. Is it possible that a crack will be on perimeter? In this example the crack is inside the element.

I made a model by "duplicate option" in an element perimeter but always it gives me tension on the crack head although it's in the element perimeter.





Example







I haven't been able to make it. I would be very grateful if you could help me.



Thanks in advance.









Janneth.



(Excuse me for my English.)










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

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu] En nombre de Abel Coll
Enviado el: martes, 10 de junio de 2008 19:08
Para: gidlist at gid.cimne.upc.edu
Asunto: RE: [GiDlist] duplicate option



Hello Janneth,



You can use the 'duplicate' option to deal with cracks if you have the corresponding geometrical entity where the crack will be. When you assign 'duplicate' mesh criteria to an entity, this entity will give two meshes, one oriented to each sense.



You can see a simple example in the GiD Help (section Mesh-Mesh Criteria).



Regards,



ABEL





_________________________________

Abel Coll Sans - Civil Engineer

CIMNE - International Center for Numerical Methods in Engineering

Ofice c-2, C1 building - Campus Nord UPC

Gran Capità s/n, 08034 Barcelona

T: 34 - 93 401 74 03 Fax: 34 - 93 40 65 17






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

De: gidlist-admin at gid.cimne.upc.edu [mailto:gidlist-admin at gid.cimne.upc.edu] En nombre de Lucrecia Calderón
Enviado el: martes, 10 de junio de 2008 16:59
Para: gidlist at gid.cimne.upc.edu
Asunto: [GiDlist] duplicate option

Hello to all.



Can I make cracks with duplicate option? What does this option make? When can I use this option?



Thanks to all.



Janneth
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