Search found 10 matches

by Jimzhao
Sun May 01, 2011 1:54 am
Forum: OpenSees.exe Users
Topic: How to apply gravity load in "Birck8N" and " elasticBeamCo"
Replies: 0
Views: 338

How to apply gravity load in "Birck8N" and " elasticBeamCo"

Hi all
i known the Gravity load is applied in 2-dimensional model ,by applying force in the node . And my question is that: How to apply gravity load in 3-dimensional model with " Birck8N" or "elasticBeamColumn". and , could you give me some example files.
by Jimzhao
Sat Apr 30, 2011 11:56 pm
Forum: OpenSees.exe Users
Topic: can Quad element be used in 3-dimensional
Replies: 2
Views: 590

Re: can Quad element be used in 3-dimensional

vesna wrote:
> Quad element can be only used in 2D and it has 2 dofs per node.

thank you
by Jimzhao
Fri Apr 29, 2011 1:39 am
Forum: OpenSees.exe Users
Topic: Some Qusestion about "Brick8N' element
Replies: 1
Views: 303

Some Qusestion about "Brick8N' element

Hi all:

When use the bick8N element, and i got this error: " has differinf number of DOFs at it node". what the reason. please help!
by Jimzhao
Thu Apr 28, 2011 11:06 pm
Forum: OpenSees.exe Users
Topic: can Quad element be used in 3-dimensional
Replies: 2
Views: 590

can Quad element be used in 3-dimensional

Hi all:
I use a Quad element , and ndm :3 ndf: 6 , but the Opensees give this warning: the model dimensions and/or node DOF not compatible with Quade element.
my question is : can Quad element be used in 3-dimensional?
by Jimzhao
Thu Apr 28, 2011 10:51 pm
Forum: OpenSees.exe Users
Topic: Element with birth and dead
Replies: 5
Views: 1627

Re:

fmk wrote: > when you add/remove nodes, elements, constraints to/from the model the > domain is flagged as hacvng changed and the analysis re-initializes itself > to take this into account. the state of the other elements in the model > does not change. > > when adding elements most (NOT ALLl) eleme...
by Jimzhao
Mon Feb 22, 2010 6:29 pm
Forum: OpenSees.exe Users
Topic: Element with birth and dead
Replies: 5
Views: 1627

Element with birth and dead

Could you tell me that how to OpenSees consider the elenment with birth and dead capacity? I Want to use Opensees to simulate the construction process of bridge .
Thanks very much!
by Jimzhao
Fri Jan 22, 2010 12:40 am
Forum: OpenSees.exe Users
Topic: The shrinkage and Creep of concrete
Replies: 4
Views: 1188

[quote="fmk"]i personally do not .. i do not know what others are up to[/quote]

Thanks!
by Jimzhao
Wed Jan 20, 2010 8:15 pm
Forum: OpenSees.exe Users
Topic: The shrinkage and Creep of concrete
Replies: 4
Views: 1188

[quote="fmk"]none of materials yet account for it.[/quote]

Thanks very much for your reply. Do you hanve a plan to develop the material.
by Jimzhao
Sat Jan 16, 2010 11:37 pm
Forum: OpenSees.exe Users
Topic: The shrinkage and Creep of concrete
Replies: 4
Views: 1188

The shrinkage and Creep of concrete

Excuse me!
Could you tell me that if OpenSees has considered the shrinkage and Creep of Concrete. and if considered, would you support me some relevant imformations. Thanks Verymuch!!
by Jimzhao
Mon Jan 04, 2010 10:03 pm
Forum: OpenSees.exe Users
Topic: About element birth and death
Replies: 0
Views: 898

About element birth and death

I want to do some rearch about element birth and death in opensees.
I 'd apprieciate if some one give me some exampels or materials about it.