Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-05 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Jan Stránský posted a new comment: Just for future reference, this is exactly why I insisted on providing the code. I think you can leave the distribution of the points, but change the condition a bit, somethin

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-05 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Needs information => Solved jsonscript confirmed that the question is solved: Hello Jan, >Is this what you are observing? Yes, your explanation clarifies my query. In my code, I just tried to extend

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-05 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Needs information Jan Stránský requested more information: Thanks for the code > for i=pi/18:2*(pi/36):(2*pi) > for j=pi/18:(pi/18):(pi) > A(hang,5)=length(find(PHI(:)>ic&PHI(:)j

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-05 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Answered => Open jsonscript is still having a problem: Hello Jan, Thank you so much for your advice. I am trying to understand the method you mentioned for evaluation of isotropy. Meanwhile I wish

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-05 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Answered Jan Stránský proposed the following answer: Hello, thanks for the code. I have tried it and the results are IMHO nicely isotropic. Evaluation: I chose 200 random unit vectors and fo

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Answered => Open jsonscript is still having a problem: Hello Jan, I realise I wasn't clear enough in my previous comments. I apologise for that. Here is the MWE script (Runtime 2-3 mins) : #--

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Jan Stránský proposed the following answer: > I just want to know how to prepare uniform samples to finish triaxial test.. Out of mny options, see [2] figure 2.3 created by [3]. But as I said, it is possibl

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Answered Jan Stránský proposed the following answer: Yes, PeriTriaxController cannot guarantee a contact normal isotropy. Which strongly depends on "contact normal isotropy" definition. The

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Needs information => Open jsonscript gave more information on the question: Hello, Peritriaxcontroller we use is to produce isotropic stress state.. but they cannot guarantee us that we would get a

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Needs information Jan Stránský requested more information: Hello, please read [1] and provide a MWE illustrating your result and how you measured "contact normal". Is it a problem? Of cour

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-07-04 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Needs information => Open jsonscript gave more information on the question: hello. Sorry, I just want to know how to prepare uniform samples to finish triaxial test.. Because my sample after

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-06-30 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Needs information Jan Stránský requested more information: > some codes are listed here: instant replay: please read [1] and provide a MWE* illustrating result and how you measured "contact

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-06-29 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Needs information Jan Stránský requested more information: Hello, please provide a MWE [1] illustrating result, how you measured "contact normal". To not-just-guess (out of mny possible r

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-06-27 Thread jsonscript
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Needs information => Open jsonscript gave more information on the question: Hello, Triaxial compression test with sand.. I meaurse the contact normal by i.geom.normal in O.interactions..then dr

Re: [Yade-users] [Question #691560]: contact normal is not spherical

2020-06-27 Thread Jan Stránský
Question #691560 on Yade changed: https://answers.launchpad.net/yade/+question/691560 Status: Open => Needs information Jan Stránský requested more information: Hello, please provide a MWE [1] illustrating result, how you measured "contact normal" and what exactly is "spherical". cheers Jan

[Yade-users] [Question #691560]: contact normal is not spherical

2020-06-27 Thread jsonscript
New question #691560 on Yade: https://answers.launchpad.net/yade/+question/691560 Hello everyone: The distribution of contact normal after the isotropic consolidation was found to be not spherical using the PeriTriaxController engine... May I ask what is the solution? Is there a problem