yade-dev team mailing list archive

[Bruno Chareyre <bruno.chareyre@xxxxxxxxxxx>]

Vaçlav,

Could you explain what you are doing with SDECLinks please?
I feel like you are going to use permanent link for your new law... is 
that true?

Bruno


Václav S a écrit :
> Don't go too far with code loading spheres, have a look at
> Shop::loadSpheresFromFile (just returns pairs of center-radius); and
> Shop::saveSpheresToFile. Vaclav
>   
>> I
>>
>>
>> Václav S a écrit :
>>   
>>     
>>>> 4. Watch the compaction stage
>>>> 5. See the spheres disapearing when compression is supposed toi start
>>>>
>>>> Also, I noticed that interaction types are SDECLinks in the triaxial 
>>>> test, which is not supposed to happen.
>>>>   
>>>>     
>>>>       
>>>>         
>>> Huh, that is my fault again. TriaxialCompressionEngine:86 should be
>>> if(0), not if(1); and the whole block can be effectively deleted. It was
>>> an experimental stuff to test what happens if I glue particles together
>>> after compaction.  I just commited the fix.
>>>   
>>>     
>>>       
>> Ok. Does it fix the SDECLink problem?
>> TriaxialTest.cpp was also using elasticContactLaw and 
>> elasticCohesiveContactLaw at the same time, I don't know if you or me 
>> commited that but I reverted that and will commit soon : TriaxialTest is 
>> not supposed to be cohesive + 2 simultaneous contact laws makes no sense.
>>
>>   
>>     
>>> Do you have some precise idea what the regression test will look like?
>>> Notably, what will be the reference value checked after the run.
>>>
>>>   
>>>     
>>>       
>> I think the value of stress and strain after X iterations + the peak 
>> stress value would make good tests. If they don't change you can be sure 
>> that the physics and mathematics in Yade were not affected, because they 
>> result from very complex processes, highly sensitive to initial 
>> conditions (Lorentz sort of).
>>
>> The only thing is we need to swith from random positioning to a text 
>> file, I still have to create this file and to get the code for loading 
>> positions back.
>>
>> Bruno
>>
>>
>>
>>
>>   
>>     
>>> V.
>>>
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>>>
>>>   
>>>     
>>>       
>>   
>>     
>
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>   


-- 
 
_______________
Chareyre Bruno
Maitre de conference

Institut National Polytechnique de Grenoble
Laboratoire 3S (Soils Solids Structures) - bureau E145
BP 53 - 38041, Grenoble cedex 9 - France
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