Re: [Yade-users] [Question #625502]: How to get the minimum porosity of packing using randomDensePack

2017-05-04 Thread Tina Asia
Question #625502 on Yade changed:
https://answers.launchpad.net/yade/+question/625502

Status: Open => Answered

Tina Asia proposed the following answer:
Hi Huihuang,

I just posted a same question here:
https://answers.launchpad.net/yade/+question/630281
https://answers.launchpad.net/yade/+question/628632

Jan answered my two questions, and I have tried Jan's methods. They
really work well for my simulations.

Cheers,

Tina @ Yade

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Re: [Yade-users] [Question #625502]: How to get the minimum porosity of packing using randomDensePack

2017-05-04 Thread Huihuang Xia
Question #625502 on Yade changed:
https://answers.launchpad.net/yade/+question/625502

Huihuang Xia confirmed that the question is solved:
Thanks Tina Asia, that solved my question.

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Re: [Yade-users] [Question #625502]: How to get the minimum porosity of packing using randomDensePack

2017-05-04 Thread Huihuang Xia
Question #625502 on Yade changed:
https://answers.launchpad.net/yade/+question/625502

Status: Answered => Solved

Huihuang Xia confirmed that the question is solved:
Thanks Tina,

I will try your advice.

Regards,

Huihuang

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Re: [Yade-users] [Question #626580]: a problem about PFV

2017-05-04 Thread bin deng
Question #626580 on Yade changed:
https://answers.launchpad.net/yade/+question/626580

Status: Answered => Open

bin deng is still having a problem:
Dear  Bruno,

Thanks for your advice, that is helpful  for me. And  I‘m sorry to reply so 
late.
I have been trying to simulate the dynamic  response of the soil under wave 
action by using DEM-PFV modle. Although there are some  scripts written, but 
there are always inappropriate mistakes. You is one of the creators of yade's 
PFV, I have seen you many papers. Could you please  share a related script?  
Let me learn how to write more correctly.

Thanks again.

Best,
Deng

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[Yade-users] [Question #631147]: fail to check the permF I applied

2017-05-04 Thread xuelong14
New question #631147 on Yade:
https://answers.launchpad.net/yade/+question/631147

Every time I want to check the permanent force I applied on the sphere using 
the function  O.forces.permF, I will meet the problem "ForceContainer not 
thread-synchronized; call sync() first!"

I have tried to used it with the pyrunner,  like below for example

def printPermF():

print O.forces.permF(7)[0]

O.engines = O.engines + [PyRunner(command='printPermF()',iterPeriod=200)]



It also fail. 

So, could you please tell me how to check the permant force applied on the 
bodies?

Thank you very much.

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Re: [Yade-users] [Question #273426]: Calculate the energy released when the bond between two particles breaks

2017-05-04 Thread Jérôme Duriez
Question #273426 on Yade changed:
https://answers.launchpad.net/yade/+question/273426

Jérôme Duriez posted a new comment:
Hi,

A cohesive interaction  in JCFpm is said to be broken in tension resp.
shear when its tensile resp. shear force threshold is reached for the
first time (afterwards, cohesion is lost: there is no more tensile
strength or shear cohesion in these thresholds, see relevant papers
quoted in the doc)

If a particle initially has 8 cohesive interactions, and than 3 of them break 
in tension during the time interval [0,t], 
state.tensBreak = 3 at time t, and state.tensBreakRel = 3/8 (similar thing for 
shear variables)

The corresponding code is in JCFpm Law2 source code, you may search for
"tensBreak" in gitHub Yade webpage

Jerome

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