Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread Robert Caulk
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 Robert Caulk proposed the following answer: This question was scientifically approached here [1] and here [2] "Which kind of hardware is right? A lot of cores at low frequency (AMD) or some cores with higher

Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread Jan Stránský
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 Jan Stránský proposed the following answer: Hello, it depends, as usually, on many factors. If you have independent simulations, the most efficient from CPU point of view is to run as many simulations

Re: [Yade-users] [Question #657114]: Computing lateral strains in uniaxial tension tests

2017-09-01 Thread Jan Stránský
Question #657114 on Yade changed: https://answers.launchpad.net/yade/+question/657114 Status: Open => Answered Jan Stránský proposed the following answer: Hi Luc, I don't know about such function. I did it some time ago. I just used average strain over "suitable" particles, strain being

Re: [Yade-users] [Question #657227]: Triaxial (CU)

2017-09-01 Thread Amiya Prakash Das
Question #657227 on Yade changed: https://answers.launchpad.net/yade/+question/657227 Status: Open => Answered Amiya Prakash Das proposed the following answer: Hi You have defined rate as -0.02, triax.goal2 would be 'rate' (for compression since it is already negative) and triax.goal1 and

Re: [Yade-users] [Question #657216]: Smooth joint Model and Love-Weber stress calculation

2017-09-01 Thread Luc Scholtès
Question #657216 on Yade changed: https://answers.launchpad.net/yade/+question/657216 Luc Scholtès proposed the following answer: Hi, Did not think about this before but I guess it could be a bit tricky if you work with a volume of particles containing a persistent through going joint for

Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread Gary Pekmezi
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 Gary Pekmezi posted a new comment: I have an alternative suggestion you may not have thought of. Instead of using the money to buy a server, you could use it to purchase server time on one of the cloud-based

Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread xuelong14
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 xuelong14 posted a new comment: Actually, it is not about parallelization. In my simulation, I usually use -j8 to achieve the paralelization. So If too many YADE programes of -j8 run at the same time, the

Re: [Yade-users] [Question #657225]: Intraction between particles

2017-09-01 Thread Jan Stránský
Question #657225 on Yade changed: https://answers.launchpad.net/yade/+question/657225 Jan Stránský posted a new comment: Hi Sam, Bruno's answer is perfect, it answered your question 100%, but as I knew your previous problem, you actually asked something totally different.. If you want to get a

Re: [Yade-users] [Question #657156]: triaxial test based PSD

2017-09-01 Thread Jérôme Duriez
Question #657156 on Yade changed: https://answers.launchpad.net/yade/+question/657156 Jérôme Duriez posted a new comment: Hi, It seems to me the error message you quote in 2- is incomplete, could you check and regive it to us ? As for the line beginning with "WARN" it is "just" a warning.

Re: [Yade-users] [Question #657225]: Intraction between particles

2017-09-01 Thread Bruno Chareyre
Question #657225 on Yade changed: https://answers.launchpad.net/yade/+question/657225 Status: Open => Answered Bruno Chareyre proposed the following answer: >my Max load result is just 6N but I need to increase it to 60 or more Increase material strength by 10 ore more? B -- You received

Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread Jérôme Duriez
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 Jérôme Duriez posted a new comment: Hi, Out of curiosity regarding Christian's answer, is it here really about parallelization (or lack of ..) if it is about different YADE "programes" (sessions ?) ? Jérôme

Re: [Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread Christian Jakob
Question #657232 on Yade changed: https://answers.launchpad.net/yade/+question/657232 Status: Open => Answered Christian Jakob proposed the following answer: Hi, I would definitely prefer more single CPU power and less number of CPUs because DEM is bad to parallelize (in general, not just

Re: [Yade-users] [Question #657216]: Smooth joint Model and Love-Weber stress calculation

2017-09-01 Thread Bruno Chareyre
Question #657216 on Yade changed: https://answers.launchpad.net/yade/+question/657216 Status: Open => Answered Bruno Chareyre proposed the following answer: Hello, Love-Weber is only assuming that the interaction between two bodies can be described by a force. Hence if I don't miss

Re: [Yade-users] [Question #657227]: Triaxial (CU)

2017-09-01 Thread Bruno Chareyre
Question #657227 on Yade changed: https://answers.launchpad.net/yade/+question/657227 Bruno Chareyre posted a new comment: Please, please, dedicate a bit more efforts to editing your questions. Do we really have to read something like this (below) to understand your problem? OTOH, what would be

[Yade-users] [Question #657232]: Need suggestions on the computer server for YADE computation.

2017-09-01 Thread xuelong14
New question #657232 on Yade: https://answers.launchpad.net/yade/+question/657232 I would like to buy a computer server to run YADE. Now I have 2 choices: one is to buy a server of more cores but lower base frequency; the other is to buy a server of less cores but higher base frequency. I want