Re: [Yade-users] [Question #684062]: TW=TesselationWrapper()

2019-09-24 Thread Bruno Chareyre
Question #684062 on Yade changed: https://answers.launchpad.net/yade/+question/684062 Status: Open => Answered Bruno Chareyre proposed the following answer: > NameError: name 'TesselationWrapper' is not defined I would say yade was compiled without CGAL support. B -- Y

Re: [Yade-users] [Question #684181]: Spheres are passing through in a new model when they interact

2019-09-24 Thread Bruno Chareyre
Question #684181 on Yade changed: https://answers.launchpad.net/yade/+question/684181 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, I'm afraid nobody is going to download source files on dropbox. 1/ If you want to communicate source code I would suggest t

Re: [Yade-users] [Question #684115]: Some basic concepts in FrictPhys.cpp

2019-09-23 Thread Bruno Chareyre
Question #684115 on Yade changed: https://answers.launchpad.net/yade/+question/684115 Bruno Chareyre proposed the following answer: > According to stack overflow, a const shared_ptr contactPhys (sans &), would mean that contactPhysics is constant [1]. I don't think so. With '

Re: [Yade-users] [Question #683967]: GlobalStiffnessTimeStepper with Potential Blocks

2019-09-17 Thread Bruno Chareyre
Question #683967 on Yade changed: https://answers.launchpad.net/yade/+question/683967 Bruno Chareyre posted a new comment: In other words: 1/ rename the current kn, ks [force/volume] differently (automatic search replace), say volKn and volKs 2/ introduce new attributes named kn, ks, and

Re: [Yade-users] [Question #683687]: Unable to save/reload FlowEngine scene

2019-09-17 Thread Bruno Chareyre
Question #683687 on Yade changed: https://answers.launchpad.net/yade/+question/683687 Bruno Chareyre posted a new comment: For future reference: history-dependent problems (such as heat transfer) will not play well with save/load since, indeed, field data written in the triangulation will be

Re: [Yade-users] [Question #683967]: GlobalStiffnessTimeStepper with Potential Blocks

2019-09-17 Thread Bruno Chareyre
Question #683967 on Yade changed: https://answers.launchpad.net/yade/+question/683967 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, We got a similar situation some time ago with Hertzian models. Their tangent stiffness (kn=dfn/dun) depends on the normal fo

Re: [Yade-users] [Question #683819]: Error during installation: libyade.so

2019-09-11 Thread Bruno Chareyre
Question #683819 on Yade changed: https://answers.launchpad.net/yade/+question/683819 Bruno Chareyre posted a new comment: Hi, please try to build again in a new folder and show the output of cmake this time. Bruno -- You received this question notification because your team yade-users is an

Re: [Yade-users] [Question #683775]: modelling "solid bridges" between particles

2019-09-10 Thread Bruno Chareyre
Question #683775 on Yade changed: https://answers.launchpad.net/yade/+question/683775 Bruno Chareyre proposed the following answer: I appreciate you are looking for something like [1], already mentioned by others. Yes it can break [2], in principle, although it may not be a super-stable feature

Re: [Yade-users] [Question #683687]: Unable to save/reload FlowEngine scene

2019-09-06 Thread Chareyre
Question #683687 on Yade changed: https://answers.launchpad.net/yade/+question/683687 Status: Open => Answered Chareyre proposed the following answer: Hi Robert, it seems you are somehow in a special case since the following works: :~$ yade Welcome to Yade 1.20.0 ... Yade [1]: O.engi

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-30 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre posted a new comment: >so results only controled from bit in position 0 at right side little endian vs. big endian?... The most suprizing in all this is that Luc can reproduce the problem

Re: [Yade-users] [Question #683405]: Yade 2019.01a vs. gitlab version

2019-08-29 Thread Bruno Chareyre
Question #683405 on Yade changed: https://answers.launchpad.net/yade/+question/683405 Status: Open => Answered Bruno Chareyre proposed the following answer: Thanks for trying. Maybe there was indeed a typo in that specific commit and it was fixed in another one. Unfortunately I don'

Re: [Yade-users] [Question #683405]: Yade 2019.01a vs. gitlab version

2019-08-27 Thread Bruno Chareyre
Question #683405 on Yade changed: https://answers.launchpad.net/yade/+question/683405 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi Bettina, > Do you agree? Yes! Thanks for reporting. I suspect a change done recently in order to make results *more reprod

Re: [Yade-users] [Question #683427]: I don not understand how to simulate triaxial-test in Yade.

2019-08-27 Thread Bruno Chareyre
Question #683427 on Yade changed: https://answers.launchpad.net/yade/+question/683427 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi Rong, PeriTriaxController prescribes the deformation of space in order to satisfy user-defined targets in terms of stress or str

Re: [Yade-users] [Question #682859]: how to calculate anisotropy of contact normal vector

2019-08-13 Thread Bruno Chareyre
Question #682859 on Yade changed: https://answers.launchpad.net/yade/+question/682859 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, since you did not define "anisotropy of contact normal vector" accurately it is impossible to answer. Nevertheless, s

Re: [Yade-users] [Question #682757]: principle of psd in yade

2019-08-13 Thread Bruno Chareyre
Question #682757 on Yade changed: https://answers.launchpad.net/yade/+question/682757 Status: Open => Answered Bruno Chareyre proposed the following answer: The algorithm is simply based on: position=random() Then, if you find _exactly_ the same number in each half-domain you are just lu

Re: [Yade-users] [Question #682504]: error in running an example. showing 3D error

2019-08-12 Thread Chareyre
Question #682504 on Yade changed: https://answers.launchpad.net/yade/+question/682504 Status: Open => Answered Chareyre proposed the following answer: Hi, «git clone» always picks latest version. Your compile error is probably not due to vmware. Bruno Le lun. 12 août. 2019 17:13, eh

Re: [Yade-users] [Question #682799]: Can I intsall Yade in Arch Linux, a lightweight and flexible Linux® distribution.?

2019-08-12 Thread Bruno Chareyre
Question #682799 on Yade changed: https://answers.launchpad.net/yade/+question/682799 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, Yes you can, for sure. How difficult it will be, I don't know. Bruno -- You received this question notification because y

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-10 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Status: Open => Answered Bruno Chareyre proposed the following answer: This thread is definitely about Luc getting a completely different behaviour on a particular OS. And it suggests that bitw

Re: [Yade-users] [Question #682757]: principle of psd in yade

2019-08-10 Thread Bruno Chareyre
Question #682757 on Yade changed: https://answers.launchpad.net/yade/+question/682757 Bruno Chareyre posted a new comment: Hi, I suspect the question is for me since I wrote the generation algorithm, but I don't understand the question at all. Bruno -- You received this question notific

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-10 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre proposed the following answer: I tried again with yadedaily (2018.02b-290bf6a54e~xenial), the results are correct again. @Luc, can't you try on a different computer to be sure we are on the

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-09 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Status: Open => Answered Bruno Chareyre proposed the following answer: I meant to type collider.avoidSelfInteractionMask=X after reloading the scene, not before. But I guess that's what you do

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-08 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre posted a new comment: I'm using Yade 2019-08-07.git-c9e148a here, but the "avoidSelfInteractionMask" code did not change in the last years. Not sure which is 1st and which is 5th c

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-08 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Status: Open => Answered Bruno Chareyre proposed the following answer: As far as I understand you have mask= 2, 1, and 3. At this point the possible interactions are 1-1, 2-2, 3-1, 3-2, 3-3. The impossi

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-08 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre proposed the following answer: Well, questions on bitmasks happen indeed, questions on avoidSelfInteractionMask are not really frequent AFAIK. This is my suggestion (a shorter rephrasing of the

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-07 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre posted a new comment: Also, for consistency, let's keep masks as integers in the doc. -- You received this question notification because your team yade-users is an answer contact for

Re: [Yade-users] [Question #682290]: the correct use of collider.avoidSelfInteractionMask ?

2019-08-07 Thread Bruno Chareyre
Question #682290 on Yade changed: https://answers.launchpad.net/yade/+question/682290 Bruno Chareyre posted a new comment: Is there really anything missing in the original doc? I would actually remove the last words of it : "This mask is used to avoid the interactions inside a group of part

Re: [Yade-users] [Question #682504]: error in running an example. showing 3D error

2019-08-04 Thread Chareyre
Question #682504 on Yade changed: https://answers.launchpad.net/yade/+question/682504 Status: Needs information => Answered Chareyre proposed the following answer: Hi, did you try other 3D programs inside vmware? What's the result of command «glxgears» for instance? Bruno Le jeu

Re: [Yade-users] [Question #682496]: O.time difference between Yade 2018.02 and Getting started

2019-08-01 Thread Bruno Chareyre
Question #682496 on Yade changed: https://answers.launchpad.net/yade/+question/682496 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, you need to turn "O.dynDt=False" else the timestep is determined automatically. I will update the introduction to

Re: [Yade-users] [Question #682243]: about damping

2019-07-25 Thread Bruno Chareyre
Question #682243 on Yade changed: https://answers.launchpad.net/yade/+question/682243 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, > in packing stage damping is equal to 0.2 Yes, it is to accelerated the dynamic convergence to static equilibrium. >

Re: [Yade-users] [Question #682197]: Water flow through porous media

2019-07-21 Thread Chareyre
Question #682197 on Yade changed: https://answers.launchpad.net/yade/+question/682197 Status: Open => Answered Chareyre proposed the following answer: Hi, I suggest to inspect example pfv/oedometer.py, which does most of what you are after with the «pfv» approach. Bruno Le ven. 19 j

Re: [Yade-users] [Question #682194]: Error in Paraview & flow.saveVtk()

2019-07-19 Thread Chareyre
Question #682194 on Yade changed: https://answers.launchpad.net/yade/+question/682194 Status: Open => Answered Chareyre proposed the following answer: Hi, Changing mask dynamically during execution is not an anticipated situation and it makes the coupling problem extremely complex. It wo

Re: [Yade-users] [Question #682120]: Installation YADE, Source Code, Compilation

2019-07-18 Thread Chareyre
Question #682120 on Yade changed: https://answers.launchpad.net/yade/+question/682120 Status: Open => Answered Chareyre proposed the following answer: Hi, the answer is in your question: matplotlib not found. Bruno Le mer. 17 juil. 2019 18:32, ehsan benabbas < quest

Re: [Yade-users] [Question #682111]: how to generate 3-D coordinate system in yade

2019-07-17 Thread Bruno Chareyre
Question #682111 on Yade changed: https://answers.launchpad.net/yade/+question/682111 Status: Open => Answered Bruno Chareyre proposed the following answer: "g" maybe? -- You received this question notification because your team yade-users is an answer con

Re: [Yade-users] [Question #682111]: how to generate 3-D coordinate system in yade

2019-07-17 Thread Bruno Chareyre
Question #682111 on Yade changed: https://answers.launchpad.net/yade/+question/682111 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, Press "a" key when the 3D window is active. Does it answer your question? Else please be more clear. Bruno -- You

Re: [Yade-users] [Question #682070]: Is it possible to enable GPU acceleration for other Yade commands except FlowEngine command?

2019-07-16 Thread Bruno Chareyre
Question #682070 on Yade changed: https://answers.launchpad.net/yade/+question/682070 Bruno Chareyre proposed the following answer: > "GPU acceleration in Yade only work for "FlowEngine" and not other commands [...] However, I would like to ask whether there is > any

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-07-16 Thread Bruno Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Bruno Chareyre posted a new comment: In my opinion there is something moving in your problem - something you perhaps do not suspect - and the pressure field responds to that. I suggest to freeze all positions

Re: [Yade-users] [Question #681799]: How to run Yade simulation using HPC when GPU command line does not work?

2019-07-05 Thread Bruno Chareyre
Question #681799 on Yade changed: https://answers.launchpad.net/yade/+question/681799 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, Yade is not using GPU (exception for a very specific flow solver not mentioned in your question, so I guess it's out

Re: [Yade-users] [Question #681775]: particle impot

2019-07-03 Thread Bruno Chareyre
Question #681775 on Yade changed: https://answers.launchpad.net/yade/+question/681775 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, What is [1] and does it work? If yes, why don't you reproduce it? Note that space in filename '/tmp/vtkExporter Testi

Re: [Yade-users] [Question #681755]: how to record the shear contact force of a specific particle?

2019-07-02 Thread Bruno Chareyre
Question #681755 on Yade changed: https://answers.launchpad.net/yade/+question/681755 Status: Open => Answered Bruno Chareyre proposed the following answer: >Is there anything like O.interaction[0].shearforce? Hi, Please refer to the IPhys you are using to find an answer: https:

Re: [Yade-users] [Question #681720]: Something wrong with loading application of the surface coupling of FEM/DEM

2019-07-02 Thread Bruno Chareyre
Question #681720 on Yade changed: https://answers.launchpad.net/yade/+question/681720 Status: Open => Answered Bruno Chareyre proposed the following answer: > Error:(/home/.../oofemlib/domain.C:353) That is an error in oofem while this is a yade forum. Even if you may be lucky here st

Re: [Yade-users] [Question #681681]: how to yield color nephogram of velocity in yade

2019-06-29 Thread Bruno Chareyre
Question #681681 on Yade changed: https://answers.launchpad.net/yade/+question/681681 Bruno Chareyre posted a new comment: >it did not work well. Please describe your problem. -- You received this question notification because your team yade-users is an answer contact for Y

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-06-28 Thread Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Status: Open => Answered Chareyre proposed the following answer: You need to turn triax off to, because it's moving the boundaries. Basically you superimpose an external (total) stress of 200kPa and

Re: [Yade-users] [Question #681663]: O.run() at a certain virtual time

2019-06-28 Thread Bruno Chareyre
Question #681663 on Yade changed: https://answers.launchpad.net/yade/+question/681663 Bruno Chareyre proposed the following answer: Yade [2]: O.stop + TAB O.stopAtIter O.stopAtTime Maybe one of them will help? :) Or, elaborating on Williams solution (but it needs a PyRunner): if O.time >

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-06-27 Thread Bruno Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Status: Open => Answered Bruno Chareyre proposed the following answer: Please check what happens after two steps while blocking all positions (not just spheres). for i in O.bod

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-06-27 Thread Bruno Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Bruno Chareyre posted a new comment: With #2 in mind I still don't see the results as necessarily wrong. -- You received this question notification because your team yade-users is an answer contact for

Re: [Yade-users] [Question #681609]: hyper-threading and yade

2019-06-26 Thread Bruno Chareyre
Question #681609 on Yade changed: https://answers.launchpad.net/yade/+question/681609 Bruno Chareyre proposed the following answer: If you have N physical cores and 2xN threads, then most likely the performance will decrease or stagnate if you try to use yade with more than N threads. In other

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-06-26 Thread Bruno Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Status: Open => Answered Bruno Chareyre proposed the following answer: > Does it mean that the FlowEngine works correctly? Until now it's unclear to me why you think something is wrong. So I wo

Re: [Yade-users] [Question #681486]: Poor pore pressure transmission in FlowEngine

2019-06-24 Thread Chareyre
Question #681486 on Yade changed: https://answers.launchpad.net/yade/+question/681486 Chareyre proposed the following answer: Hi, maybe the first picture has pressure dominated by pressure feedback from grains motion. What happens if you block positions and set null velocities? Bruno Le lun. 24

Re: [Yade-users] [Question #681341]: Move or scale a facet

2019-06-12 Thread Chareyre
Question #681341 on Yade changed: https://answers.launchpad.net/yade/+question/681341 Chareyre posted a new comment: Hi, If your plan is to have deforming facets (over time) scaling will not work since time integration for facets assume a rigid body. If it is your case PFacets should be

Re: [Yade-users] [Question #681336]: core dumped - Eigen - Triangulation

2019-06-12 Thread Bruno Chareyre
Question #681336 on Yade changed: https://answers.launchpad.net/yade/+question/681336 Bruno Chareyre proposed the following answer: If you can't point out precisely what makes the script fail by comparison with a working script (as suggested by Robert in #3) it will be difficult to under

Re: [Yade-users] [Question #681361]: function goReverse()

2019-06-12 Thread Bruno Chareyre
Question #681361 on Yade changed: https://answers.launchpad.net/yade/+question/681361 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, goReverse() boils down to go() in that example, as the code suggests, and most likely it's never called. In other cases it

Re: [Yade-users] [Question #681383]: problem of the unit of normal force in Law2_PolyhedraGeom_PolyhedraPhys_Volumetric

2019-06-12 Thread Bruno Chareyre
Question #681383 on Yade changed: https://answers.launchpad.net/yade/+question/681383 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, I'm not expert of Polyhedra code but it seems you are trying to question a constitutive assumption mainly. If someone ass

Re: [Yade-users] [Question #681336]: core dumped - Eigen - Triangulation

2019-06-11 Thread Bruno Chareyre
Question #681336 on Yade changed: https://answers.launchpad.net/yade/+question/681336 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi Son, I'm unsure what the triangulation will do with a hollow cylinder, but most likely it's not doing anything good.

Re: [Yade-users] [Question #681232]: Sphere goes through the facet wall in Harmonic vibration

2019-06-07 Thread Bruno Chareyre
Question #681232 on Yade changed: https://answers.launchpad.net/yade/+question/681232 Bruno Chareyre proposed the following answer: Hi >the density is amplified by a factor of 1e9 to increase the calculation speed It will not work. With such mass the particles will be nearly immobile on sh

Re: [Yade-users] [Question #681280]: On Inertia and rotational energy of a particle

2019-06-07 Thread Bruno Chareyre
Question #681280 on Yade changed: https://answers.launchpad.net/yade/+question/681280 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, Rotational inertia is a tensor, we represent it by the eigen values. https://en.wikipedia.org/wiki/Moment_of_inertia Bruno --

Re: [Yade-users] [Question #681194]: I can not get the desired porosity with my PSD

2019-06-06 Thread Bruno Chareyre
Question #681194 on Yade changed: https://answers.launchpad.net/yade/+question/681194 Status: Open => Answered Bruno Chareyre proposed the following answer: distributeMass=True would probably help -- You received this question notification because your team yade-users is an answer cont

Re: [Yade-users] [Question #681105]: particle position

2019-05-28 Thread Bruno Chareyre
Question #681105 on Yade changed: https://answers.launchpad.net/yade/+question/681105 Bruno Chareyre posted a new comment: You could record the 3D view at runtime using screen capture, then use some image analysis tool for segmentation and reconstruction of the displacement field. I know a

Re: [Yade-users] [Question #681043]: what does scene.cpp do?

2019-05-24 Thread Bruno Chareyre
Question #681043 on Yade changed: https://answers.launchpad.net/yade/+question/681043 Status: Open => Answered Bruno Chareyre proposed the following answer: You need to find a convenient navigation tool. If you have no experience in command line tools like vim I would suggest kdeve

Re: [Yade-users] [Question #681043]: what does scene.cpp do?

2019-05-24 Thread Bruno Chareyre
Question #681043 on Yade changed: https://answers.launchpad.net/yade/+question/681043 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, It implements the class Scene. Bruno -- You received this question notification because your team yade-users is an answer cont

Re: [Yade-users] [Question #681032]: Does Collider's performance depend on constitutive law?

2019-05-23 Thread Bruno Chareyre
Question #681032 on Yade changed: https://answers.launchpad.net/yade/+question/681032 Status: Needs information => Answered Bruno Chareyre proposed the following answer: Hi, No it does not unless different contact model makes the dynamics of the system completely different (faster mot

Re: [Yade-users] [Question #680868]: How to get resultant contact force of each sphere

2019-05-21 Thread Bruno Chareyre
Question #680868 on Yade changed: https://answers.launchpad.net/yade/+question/680868 Bruno Chareyre posted a new comment: @Jan That loop in #9 is a bit overkill since it's very easy and faster (not visiting every iteration twice) to compute the same thing by a loop on interactions, and in

Re: [Yade-users] [Question #680895]: contact problem of different particle shape

2019-05-17 Thread Bruno Chareyre
Question #680895 on Yade changed: https://answers.launchpad.net/yade/+question/680895 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, > no law defined in yade between ScGeom and polyhedraMat It should be fine since polyhedraMat is a (inherits from) FrictM

Re: [Yade-users] [Question #680892]: O.engines[].dead=True

2019-05-17 Thread Bruno Chareyre
Question #680892 on Yade changed: https://answers.launchpad.net/yade/+question/680892 Bruno Chareyre posted a new comment: https://www.yade-dem.org/wiki/Howtoask -- You received this question notification because your team yade-users is an answer contact for Yade

Re: [Yade-users] [Question #680892]: O.engines[].dead=True

2019-05-17 Thread Chareyre
Question #680892 on Yade changed: https://answers.launchpad.net/yade/+question/680892 Status: Needs information => Answered Chareyre proposed the following answer: Hi, Please provide a working script. Bruno Le ven. 17 mai 2019 09:37, Francesco a écrit : > New question #680892 o

Re: [Yade-users] [Question #680868]: How to get resultant contact force of each sphere

2019-05-16 Thread Chareyre
Question #680868 on Yade changed: https://answers.launchpad.net/yade/+question/680868 Chareyre proposed the following answer: In the code above it should be O.forces.f(i.id1), the «i.» was missing. Same for id2. B. Le jeu. 16 mai 2019 15:22, Bruno Chareyre < question680...@answers.launchpad.

Re: [Yade-users] [Question #680868]: How to get resultant contact force of each sphere

2019-05-16 Thread Bruno Chareyre
Question #680868 on Yade changed: https://answers.launchpad.net/yade/+question/680868 Bruno Chareyre proposed the following answer: The question and answer #1 are misleading on some aspects in my opinion. For the record: > the direction is not sure[1] The direction _is_ sure. Simply there is

Re: [Yade-users] [Question #680746]: How to plot the total Force on a Clump

2019-05-13 Thread Bruno Chareyre
Question #680746 on Yade changed: https://answers.launchpad.net/yade/+question/680746 Bruno Chareyre proposed the following answer: #2 is not a script. Please check [1], specifically point 3. https://www.yade-dem.org/wiki/Howtoask Bruno -- You received this question notification because your

Re: [Yade-users] [Question #680746]: How to plot the total Force on a Clump

2019-05-12 Thread Bruno Chareyre
Question #680746 on Yade changed: https://answers.launchpad.net/yade/+question/680746 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, I don't think clump or imposed velocity make a difference: O.forces.f[id] should be the force. If you need help for a

[Yade-users] Yade migrated to Python3

2019-05-12 Thread Bruno Chareyre
ven in that case (more about this and other things explained in [2] <https://yade-dem.org/doc/tutorial-advanced.html?highlight=print#convert-python2-to3> ). We hope the transition will be as smooth as possible for everyone. Best regards For the yade-dev group. Bruno Chareyre [1] ht

Re: [Yade-users] [Question #680636]: how to choose the unbalanced force ratio

2019-05-06 Thread Bruno Chareyre
Question #680636 on Yade changed: https://answers.launchpad.net/yade/+question/680636 Bruno Chareyre proposed the following answer: Inertial number is just like unbF, it's just an indication (except that Iv is defined from input, unbF is defined from output and in that sense it's close

Re: [Yade-users] [Question #680636]: how to choose the unbalanced force ratio

2019-05-06 Thread Bruno Chareyre
Question #680636 on Yade changed: https://answers.launchpad.net/yade/+question/680636 Bruno Chareyre proposed the following answer: Hi, "unbF" is just an indication. Everything is problem dependent, and the first questions are more "which value are you interested in?" and &qu

Re: [Yade-users] [Question #680627]: Boundary condition of PeriodicFlowEngine

2019-05-04 Thread Chareyre
Question #680627 on Yade changed: https://answers.launchpad.net/yade/+question/680627 Status: Open => Answered Chareyre proposed the following answer: Hi. Yes it's working properly, I think. Le sam. 4 mai 2019 18:22, Chu a écrit : > New question #680627 on Ya

Re: [Yade-users] [Question #680609]: mpi4py MPI terminates Yade

2019-05-03 Thread Bruno Chareyre
Question #680609 on Yade changed: https://answers.launchpad.net/yade/+question/680609 Bruno Chareyre proposed the following answer: I confirm #2, and I can reproduce the error with normal yade. Yade needs to be linked to openmpi at compile time, else this error. With normal yade it should still

Re: [Yade-users] [Question #679544]: Best way to fix typos in documentation: source edit + git push?

2019-04-29 Thread Bruno Chareyre
Give me your gitlab.com name. :) Bruno Le lun. 29 avr. 2019 16:08, Gael Lorieul a écrit : > Hi Bruno (and the team), > > El 26-04-19 a las 10:03, Bruno Chareyre escribió: > > Yes you can write emails to yade-dev. > > Ok, I'll do that next time ;) > But I'll

Re: [Yade-users] [Question #680432]: Can't install yadedaily in Ubuntu16.04

2019-04-27 Thread Chareyre
Question #680432 on Yade changed: https://answers.launchpad.net/yade/+question/680432 Chareyre proposed the following answer: Hi, You can compile from source code. Bruno Le sam. 27 avr. 2019 17:17, Xu Mengqian < question680...@answers.launchpad.net> a écrit : > Question #680432 on Yad

Re: [Yade-users] [Question #680432]: Can't install yadedaily in Ubuntu16.04

2019-04-26 Thread Chareyre
Question #680432 on Yade changed: https://answers.launchpad.net/yade/+question/680432 Chareyre proposed the following answer: Hi, Not sure it's related but the server has been migrated last week. The current situation is that the old buildbot system that was building the daily packages is h

Re: [Yade-users] [Question #679544]: Best way to fix typos in documentation: source edit + git push?

2019-04-26 Thread Bruno Chareyre
Question #679544 on Yade changed: https://answers.launchpad.net/yade/+question/679544 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi Gaël, Thanks vey much for contributing. Yes you can write emails to yade-dev. It would be very helpful if you could try method

Re: [Yade-users] [Question #680215]: what happened in the first O.step()

2019-04-12 Thread Chareyre
Question #680215 on Yade changed: https://answers.launchpad.net/yade/+question/680215 Status: Open => Answered Chareyre proposed the following answer: Indeed. In order to avoid very complex corner cases (since every engine can change it and depends on it) I decided that the assigned veloc

Re: [Yade-users] [Question #679411]: About cell.trsf and cell.velGrad

2019-04-12 Thread Bruno Chareyre
Question #679411 on Yade changed: https://answers.launchpad.net/yade/+question/679411 Status: Open => Answered Bruno Chareyre proposed the following answer: That's actually a straighforward case since it's irrotational. In you example with trsf[2,2]=0.9998 the true target

Re: [Yade-users] [Question #679411]: About cell.trsf and cell.velGrad

2019-04-12 Thread Bruno Chareyre
Question #679411 on Yade changed: https://answers.launchpad.net/yade/+question/679411 Status: Open => Answered Bruno Chareyre proposed the following answer: > What if [...] trsfNew = trsfOld+dt*velGrad It would introduce severe inconsistency for large deformations. Just like using the

Re: [Yade-users] [Question #679638]: How to assign the values of kn ks of particles in Yade directly

2019-04-11 Thread Bruno Chareyre
Question #679638 on Yade changed: https://answers.launchpad.net/yade/+question/679638 Bruno Chareyre posted a new comment: > for a fixed kn, the sphere with a smaller radius will have a larger young, which results in a small critical time step. Absolutely. And that's exactly what happen

Re: [Yade-users] [Question #680139]: rigid (gts)Pfacets?

2019-04-10 Thread Bruno Chareyre
Question #680139 on Yade changed: https://answers.launchpad.net/yade/+question/680139 Status: Open => Answered Bruno Chareyre proposed the following answer: For already inserted bodies: O.bodies.clump(ids) Cheers Bruno -- You received this question notification because your team y

Re: [Yade-users] [Question #680164]: How to get air pore pressure ?

2019-04-10 Thread Bruno Chareyre
Question #680164 on Yade changed: https://answers.launchpad.net/yade/+question/680164 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, the air pressure is uniformly equal to the boundary NW-pressure. Bruno -- You received this question notification because y

Re: [Yade-users] [Question #679638]: How to assign the values of kn ks of particles in Yade directly

2019-04-10 Thread Bruno Chareyre
Question #679638 on Yade changed: https://answers.launchpad.net/yade/+question/679638 Bruno Chareyre posted a new comment: Hi, > after some minor improvements Should read "after some minor regressions" IMO. :) I think c) was a smart answer and I'm also wondering why it

Re: [Yade-users] [Question #680159]: About Yade Documentation, Release 2018-12-05

2019-04-10 Thread Bruno Chareyre
Question #680159 on Yade changed: https://answers.launchpad.net/yade/+question/680159 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, They are the default values, assigned by the constructor of Body. Bruno -- You received this question notification because y

Re: [Yade-users] [Question #680139]: rigid (gts)Pfacets?

2019-04-10 Thread Bruno Chareyre
Question #680139 on Yade changed: https://answers.launchpad.net/yade/+question/680139 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi Bettina, Yes, it is possible to clump pfacets, although not fully tested. I didn't read your script but I would say the pr

Re: [Yade-users] [Question #680145]: Strange behaviour of Ek varying restitution coefficients

2019-04-09 Thread Chareyre
Question #680145 on Yade changed: https://answers.launchpad.net/yade/+question/680145 Status: Open => Answered Chareyre proposed the following answer: Hi, first of all you could have inconsistent restitution due to collisional error (late detection of contact). Try decreasing the times

Re: [Yade-users] [Question #679543]: Is class `Bo1_Cylinder_Aabb` to be actually used?

2019-04-08 Thread Bruno Chareyre
Question #679543 on Yade changed: https://answers.launchpad.net/yade/+question/679543 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi guys, sorry to be late. Bo1_Cylinder_Aabb exists because the shape Cylinder (not chained) exists. Arguably there is no exam

Re: [Yade-users] [Question #679772]: viscous contribution in flow engine

2019-04-04 Thread Bruno Chareyre
Question #679772 on Yade changed: https://answers.launchpad.net/yade/+question/679772 Status: Open => Answered Bruno Chareyre proposed the following answer: The short answer: FlowEngine.shearLubrication = FlowEngine.normalLubrication=True. There is an alternate interaction model, but i

Re: [Yade-users] [Question #679750]: Omega output with Debug mode?

2019-04-04 Thread Chareyre
Question #679750 on Yade changed: https://answers.launchpad.net/yade/+question/679750 Chareyre proposed the following answer: It actually doesn't look like an output of a debug build, it should be more verbose. Can't you find some backtrace or something? (sorry I kind-of forgot details

Re: [Yade-users] [Question #679750]: Omega output with Debug mode?

2019-04-03 Thread Chareyre
Question #679750 on Yade changed: https://answers.launchpad.net/yade/+question/679750 Chareyre proposed the following answer: What is that «programme_yade...» part? Le mer. 3 avr. 2019 19:58, Luc OGER a écrit : > Question #679750 on Yade changed: > https://answers.launchpad.net/yade/+qu

Re: [Yade-users] [Question #679750]: Omega output with Debug mode?

2019-04-03 Thread Chareyre
Question #679750 on Yade changed: https://answers.launchpad.net/yade/+question/679750 Status: Open => Answered Chareyre proposed the following answer: Omega is constructed anyway. Does it crash if you don't execute that script? Le mer. 3 avr. 2019 16:37, Luc OGER a écrit : > N

Re: [Yade-users] [Question #679647]: FEMxDEM gauss point

2019-03-30 Thread Chareyre
Question #679647 on Yade changed: https://answers.launchpad.net/yade/+question/679647 Status: Open => Answered Chareyre proposed the following answer: Hi James, just a remark: some of your questions are disconnected from any anticipated use of the current code. I think an efficient attit

Re: [Yade-users] [Question #679619]: fluid solver in flow.engine for suspensions

2019-03-29 Thread Chareyre
Question #679619 on Yade changed: https://answers.launchpad.net/yade/+question/679619 Status: Open => Answered Chareyre proposed the following answer: In localized fluidization a cavity is forming. The large contrast in conductivity between the cavity and the dense regions makes the res

Re: [Yade-users] [Question #679619]: fluid solver in flow.engine for suspensions

2019-03-28 Thread Chareyre
Question #679619 on Yade changed: https://answers.launchpad.net/yade/+question/679619 Status: Open => Answered Chareyre proposed the following answer: Hi, it has been validated on the basis of permeameter tests, where particles are generaly in contacts. If you heard about data on relat

Re: [Yade-users] [Question #679618]: About the precision in Yade

2019-03-28 Thread Chareyre
Question #679618 on Yade changed: https://answers.launchpad.net/yade/+question/679618 Chareyre posted a new comment: The parallel result is different, yes, but not less accurate. The rounding errors are just randomized. Bruno Le jeu. 28 mars. 2019 17:27, zhou qian a écrit : > Question #679

Re: [Yade-users] [Question #679566]: Some questions about simulating consolidated undrained triaxial test

2019-03-27 Thread Bruno Chareyre
Question #679566 on Yade changed: https://answers.launchpad.net/yade/+question/679566 Bruno Chareyre posted a new comment: > should strain rate technically depend on maintaining pore pressure equilibrium for a consolidated undrained test? No. In undrained tests pore pressure is a result, it

Re: [Yade-users] [Question #679566]: Some questions about simulating consolidated undrained triaxial test

2019-03-27 Thread Chareyre
Question #679566 on Yade changed: https://answers.launchpad.net/yade/+question/679566 Status: Open => Answered Chareyre proposed the following answer: Hi, This is a purely conceptual problem. In lab you can impose total confining stress, yes, but the effective confining stress is chang

Re: [Yade-users] [Question #679428]: unable to display sphere with latest version

2019-03-25 Thread Bruno Chareyre
Question #679428 on Yade changed: https://answers.launchpad.net/yade/+question/679428 Bruno Chareyre proposed the following answer: I would not recommend cherry-pick here since it would generate versions which never existed. Better: git checkout 911e8c9 Preserving local changes (if any) is

Re: [Yade-users] [Question #679515]: How to have a constant-p simulations with periodic boundary condition?

2019-03-25 Thread Chareyre
Question #679515 on Yade changed: https://answers.launchpad.net/yade/+question/679515 Status: Open => Answered Chareyre proposed the following answer: Hi, updating goals is the only way (with or without periodicity). I guess the control loop is more or less stable depending on the paramet

<    1   2   3   4   5   6   7   8   9   10   >