Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Bruno Chareyre posted a new comment: Hi, Just to summarize a few ideas after a discussion with Robert: - the duplicated "setPositionsBuffer()" in DFN was definitely an experimental hack and it is unsafe to keep

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Lingran Zhang posted a new comment: Hello Robert, Thank you for your rapid feedback. The simulation I talked about is related to rock hydration reaction, such as serpentinization, a geochemical metamorphic

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Robert Caulk posted a new comment: Hello Lingran, Happy to hear we have someone else to work on DFNFlow. Welcome :-) In my opinion, you can do this with the current DFNFlow just fine. You simply need to set

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Lingran Zhang posted a new comment: Hello, I am going to conduct yade simulations of fracture-induced volumetric expansion coupled with fluid flow. The simulation will involve significant particle volume

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Robert Caulk posted a new comment: Dear Bruno, Thank you so much for taking the time to respond to this thread. Luckily, my original question has been more than answered and we can all now agree that

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Bruno Chareyre posted a new comment: On 11/27/2017 07:32 PM, Robert Caulk wrote: > > Trial and error show that there is indeed a stability threshold > associated with the remesh interval. I suspect that the

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Status: Answered => Solved Robert Caulk confirmed that the question is solved: >Why does it [the remesh interval] need to be smaller? Trial and error show that there is indeed a stability threshold

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Robert Caulk posted a new comment: *The rate of injection pressure drop following breakdown. -- You received this question notification because your team yade-users is an answer contact for Yade.

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Robert Caulk posted a new comment: OK, my testing leads me to believe that the deformations are not large enough in a hydraulic fracture simulation to change the Delaunay triangulation. Therefore, it should be

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Status: Answered => Open Robert Caulk is still having a problem: >The volume changes are still calculated as usual because it uses the actual positions/velocities from O.bodies at each iteration, not the

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Bruno Chareyre proposed the following answer: >I don't think the DFNFlow scheme is truly poroelastic No, no, that's fine. We are only speaking of re-meshing here. The volume changes are still calculated as

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Robert Caulk posted a new comment: Thank you Luc, Bruno, and Timos for responding to my question. H, I see now. OK so we are using a Delaunay triangulation to build the facet orientations, right?

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Status: Open => Answered Bruno Chareyre proposed the following answer: Hi, What justified the existence of a specific function was the need to make it do nothing... There was probably a better way than

Re: [Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

Question #660585 on Yade changed: https://answers.launchpad.net/yade/+question/660585 Luc Scholtès posted a new comment: Hi Robert, I can tell that Timos set updatePositions=false in the scripts he sent me lately. I actually tried to run the same simulation (hydraulic injection as described in

[Yade-users] [Question #660585]: Why avoid reseting particle positions in DFNFlow?

New question #660585 on Yade: https://answers.launchpad.net/yade/+question/660585 Hello, I'm wondering why DFNFlow has its own "setPositionsBuffer" [1], which is just used to avoid FlowEngine's original "setPositionsBuffer" [2]. Was there some DFNFlow reason why we are unable to triangulate