Re: [Yade-users] [Question #275459]: Damping in Hertz-Mindlin contact law

2015-11-26 Thread lichangsheng
Question #275459 on Yade changed:
https://answers.launchpad.net/yade/+question/275459

lichangsheng posted a new comment:
it's not a bug. see the paper of (cundall,1979).

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[Yade-users] [Question #275707]: Where to acquire several contact models

2015-11-26 Thread MikeZhao
New question #275707 on Yade:
https://answers.launchpad.net/yade/+question/275707

Hi there,

On Yade's manual there is a contact model called 
Ig2_Tetra_Tetra_TTetraSimpleGeom(), but in Yade's trunk ( released on 3.15 ) I 
didn't find any contact model related to tetra element. I want to know where to 
get this contact model?

And would you please tell me whether there is a contact model that can 
detect contact between facets and calculate internal forces?

Thank you for your time and patience. And Merry Thanksgiving Day! 

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Re: [Yade-users] [Question #275707]: Where to acquire several contact models

2015-11-26 Thread Jan Stránský
Question #275707 on Yade changed:
https://answers.launchpad.net/yade/+question/275707

Status: Open => Answered

Jan Stránský proposed the following answer:
Hi Yang,


> On Yade's manual there is a contact model called
> Ig2_Tetra_Tetra_TTetraSimpleGeom(), but in Yade's trunk ( released on 3.15
> ) I didn't find any contact model related to tetra element. I want to know
> where to get this contact model?
>

I don't understand at all, sorry :-) what happens if you open yade console,
write Ig2_Tetra_Tetra_TTetraSimpleGeom and press enter?


>
> And would you please tell me whether there is a contact model that can
> detect contact between facets and calculate internal forces?
>

This is not implemented in Yade for "classical" facets. There exists so
called PFacets concept, but I don't know if it is included in public trunk
or not. Let's wait for others' answers :-)

cheers
Jan

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