Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-28 Thread Launchpad Janitor
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Open => Expired Launchpad Janitor expired the question: This question was expired because it remained in the 'Open' state without activity for the last 15 days. -- You received this question

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-12 Thread Jeffrey Knowles
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Answered => Open Jeffrey Knowles is still having a problem: Hello Bruno, Thank you for all of your time and expertise on this issue. I have run some full-scale models with these pfacet bodies

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-11 Thread Bruno Chareyre
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Bruno Chareyre posted a new comment: issue on gitlab for tracking progress on the bug: https://gitlab.com /yade-dev/trunk/-/issues/184 Let me know if you make progress in understanding the issue. I think I may

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-08 Thread Bruno Chareyre
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Bruno Chareyre proposed the following answer: At impact time the forces are the same on nodes 7 and 8 while based on the symmetry it should be the same on 8 and 9 instead. Really looks like at some point the

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-08 Thread Bruno Chareyre
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Bruno Chareyre proposed the following answer: Tries your script. To me it looks like there is a wrong numbering of nodes, a mathematical error in the force/torque distribution, or something alike. Distributing

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-08 Thread Bruno Chareyre
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Open => Answered Bruno Chareyre proposed the following answer: I would say the angular momentum is (should be...) conserved. Simply, the PFacet is, from an inertial point of view, a triangle with a

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-05 Thread Jeffrey Knowles
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Answered => Open Jeffrey Knowles is still having a problem: Hello Bruno, Not a problem. I am not sure if there is an error in the barycentric equation. Rather, I think it is using the barycentric

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-05 Thread Chareyre
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Open => Answered Chareyre proposed the following answer: Hi, Sorry for not checking your question earlier. I'll try and check the script. Could you elaborate the comment on barycentric

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-04 Thread Jeffrey Knowles
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Jeffrey Knowles gave more information on the question: Hello Janek, Thank you for your reply. I do not believe the links you sent are really that related to the issue. When I run a simulation where a grid node

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-04 Thread Janek Kozicki
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Janek Kozicki posted a new comment: This seems related to: https://answers.launchpad.net/yade/+question/692998 https://gitlab.com/yade-dev/trunk/-/issues/167 but not sure if that's really related to it. --

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-03 Thread Jeffrey Knowles
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Expired => Open Jeffrey Knowles is still having a problem: Hello, I would like to reopen this question. Thank you, Jeff Knowles On Fri, Jan 1, 2021 at 5:06 AM Launchpad Janitor <

Re: [Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2021-01-01 Thread Launchpad Janitor
Question #694548 on Yade changed: https://answers.launchpad.net/yade/+question/694548 Status: Open => Expired Launchpad Janitor expired the question: This question was expired because it remained in the 'Open' state without activity for the last 15 days. -- You received this question

[Yade-users] [Question #694548]: Unexpected PFacet Collision Physics

2020-12-16 Thread Jeffrey Knowles
New question #694548 on Yade: https://answers.launchpad.net/yade/+question/694548 I am using Yade 2020.01a. The MWE below simulates the collision of two PFacets. After PFacet 1 (on the left) collides with PFacet 2 (on the right) unrealistic physical behavior is observed. I would expect PFacet