Re: [Yade-users] [Question #707885]: Create arbitrary ellipsoid using level set

Question #707885 on Yade changed: https://answers.launchpad.net/yade/+question/707885 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Thank you, Karol. Your answer solved my problem. -- You received this question notification because your team yade-us

[Yade-users] [Question #707885]: Create arbitrary ellipsoid using level set

New question #707885 on Yade: https://answers.launchpad.net/yade/+question/707885 Hi! I'd like to ask how to set the 'orientation' keyword in the levelSetBody. It seems that we need to input a quaternion. But the problem is that what's the format of this input？Can someone help me with this?

[Yade-users] [Question #707882]: Cylindrical triaxial test using walls

New question #707882 on Yade: https://answers.launchpad.net/yade/+question/707882 Hi! I am going to model the interaction between the level-set body and walls. What I want to create is a cylindrical wall. But it seems that wall can not be used to create a cylindrical wall? I am not sure. Can

Re: [Yade-users] [Question #707875]: Servo control of cylindrical triaxial test

Question #707875 on Yade changed: https://answers.launchpad.net/yade/+question/707875 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Thank you so much, Karol. That solved my problem. -- You received this question notification because your team yade-us

[Yade-users] [Question #707875]: Servo control of cylindrical triaxial test

New question #707875 on Yade: https://answers.launchpad.net/yade/+question/707875 Hi! I want to simulate the cylindrical triaxial test but can't achieve the target confining pressure. Can someone help me with this？ The MWE is presented as below: # import essential modules from __future__ import

[Yade-users] [Question #707870]: Interaction between sphere and facet with specific ID

New question #707870 on Yade: https://answers.launchpad.net/yade/+question/707870 Hi! If I want to get interaction between the bottom plate and spheres, how can I achieve this? For example, if we focus on the gravity deposition code, can we know which interactions happened between spheres and

Re: [Yade-users] [Question #707390]: segmentation fault (PFacet)

Question #707390 on Yade changed: https://answers.launchpad.net/yade/+question/707390 Description changed to: Hi! I am trying to replicate the work using PFacet as the flexible membrane for the cylindrical triaxial test. I don't why this code always crashes (segmentation fault) at the

Re: [Yade-users] [Question #707390]: segmentation fault (PFacet)

Question #707390 on Yade changed: https://answers.launchpad.net/yade/+question/707390 Status: Open => Solved Ruidong LI confirmed that the question is solved: Thanks for your reply! Jan Maybe I should test this code on another pc. -- You received this question notification because y

Re: [Yade-users] [Question #707390]: segmentation fault (PFacet)

Question #707390 on Yade changed: https://answers.launchpad.net/yade/+question/707390 Status: Needs information => Open Ruidong LI gave more information on the question: Hi! Jan, Thanks for your reply. - what is the "stabilization stage"? > The "stabilization stag

[Yade-users] [Question #707390]: segmentation fault (PFacet)

New question #707390 on Yade: https://answers.launchpad.net/yade/+question/707390 Hi! I am trying to replicate the work using PFacet as the flexible membrane for the cylindrical triaxial test. I don't why this code always crashes (segmentation fault) at the stabilization stage. Can someone help

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Status: Open => Solved Ruidong LI confirmed that the question is solved: -- You received this question notification because your team yade-users is an answer contact for Y

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Ruidong LI gave more information on the question: Thanks for your reply, Jan! I'd also like to ask whether the function for calculating the stress on the loading plate and confining stress is correct

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Ruidong LI posted a new comment: Thanks for your reply, Jan! > probably it should be opposite, Vector3(x_cyl-x, y_cyl-y, 0) to point inside > the cylinder (not outside)? Currently the membrane is str

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Status: Answered => Open Ruidong LI is still having a problem: Thanks for your reply, Jan! Your answer solved my problem. I rewrote the code for generating the flexible membrane. Moreover, I used y

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Status: Answered => Open Ruidong LI is still having a problem: Hi! Jan Thanks for your reply. Your answer is rigorous and helpful. > area = 2* pi*r_cyl*h_cyl/len(nodes) # cylinder surface /

Re: [Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

Question #707278 on Yade changed: https://answers.launchpad.net/yade/+question/707278 Status: Answered => Open Ruidong LI is still having a problem: Hi! Jan, Thanks for your reply. It is really helpful. But I still have two questions about this function: 1) return ServoPIDController(

[Yade-users] [Question #707278]: Servo control of flexible membrane using ServoPIDController

New question #707278 on Yade: https://answers.launchpad.net/yade/+question/707278 Hi! I am trying to model a cylindrical triaxial test based on Pfacet and ServoPIDController. I would like to model a triaxial compression test with confining pressure equal to 50kPa. The bottom and top loading

Re: [Yade-users] [Question #707268]: Use of ServoPIDController for simulating cylindrical triaxial test

Question #707268 on Yade changed: https://answers.launchpad.net/yade/+question/707268 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Hi, Jan Thanks for your reply. > It actually does move > Yes, I can capture the movement After adding the 'Bo1_F

[Yade-users] [Question #707268]: Use of ServoPIDController for simulating cylindrical triaxial test

New question #707268 on Yade: https://answers.launchpad.net/yade/+question/707268 Hi! I am trying to model a cylindrical triaxial test based on Pfacet and ServoPIDController. I would like to model a triaxial compression test with confining pressure equal to 50kPa. The bottom and top loading

[Yade-users] [Question #707251]: deploy Yade on the HPC

New question #707251 on Yade: https://answers.launchpad.net/yade/+question/707251 Hi! I'd like to deploy Yade on the HPC. Is there any tutorials? Many thanks. Kyle -- You received this question notification because your team yade-users is an answer contact for Yade.

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Status: Answered => Open Ruidong LI is still having a problem: Hi, Jan. >yes, it looks pretty similar [4] Could you please provide an example of using ServoPIDController? Because there is no tu

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Status: Needs information => Open Ruidong LI gave more information on the question: Hi, Jan. >Have you tried ServoPIDController? I try to use it but can't find any tutorials. In PFC [1], the velocity

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Ruidong LI gave more information on the question: Can someone help me with servo-control part? Many thanks. -- You received this question notification because your team yade-users is an answer contact for Yade

Re: [Yade-users] [Question #707183]: High unbalanced force ratio

Question #707183 on Yade changed: https://answers.launchpad.net/yade/+question/707183 Status: Answered => Open Ruidong LI is still having a problem: Hi! Bruno Thanks for your reply. >The initial state is simply out of equilibrium apparently. Before adding gravity, the whole simu

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Status: Answered => Open Ruidong LI is still having a problem: Hi! Jan Thanks for your reply. >the same, what does "will break" mean? That they do not touch each other? The pa

Re: [Yade-users] [Question #707183]: High unbalanced force ratio

Question #707183 on Yade changed: https://answers.launchpad.net/yade/+question/707183 Status: Answered => Open Ruidong LI is still having a problem: Hi, Jérôme Thanks for your reply. >Was your initial geometry supposed to be at rest under gravity ? If not, I would say it is norm

Re: [Yade-users] [Question #707182]: level-set-based simulation with Pfacet

Question #707182 on Yade changed: https://answers.launchpad.net/yade/+question/707182 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Thanks Jérôme Duriez, that solved my question. -- You received this question notification because your team yade-us

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Status: Needs information => Open Ruidong LI gave more information on the question: Hi! Jan Thanks for your reply. > The loading is simply such that a constant velocity is prescribed > (s.

[Yade-users] [Question #707183]: High unbalanced force ratio

New question #707183 on Yade: https://answers.launchpad.net/yade/+question/707183 Hi! I want to model the cylindrical compression and follow the procedures as follows: 1. Import geometry from microCT 2. Create clumps using the Euclidean 3D method mentioned in the 'Clump' code [1] 3.

[Yade-users] [Question #707182]: level-set-based simulation with Pfacet

New question #707182 on Yade: https://answers.launchpad.net/yade/+question/707182 Hi! I'd like to know whether the YADE supports the interaction of the level-set body with the Pfacet elements. I want to create a cylindrical sample filled with level-set bodies. Moreover, for the boundary

Re: [Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

Question #707148 on Yade changed: https://answers.launchpad.net/yade/+question/707148 Status: Answered => Open Ruidong LI is still having a problem: Dear Jan, Thanks for your reply. 1) I'll check. Many thanks. 2) I'll check. Many thanks. 3) How do I achieve servo control? I am st

Re: [Yade-users] [Question #694667]: 'ScGeom' object has no attribute 'connectionBody'

Question #694667 on Yade changed: https://answers.launchpad.net/yade/+question/694667 Ruidong LI posted a new comment: Hi! I also entoured with this problem. What should we do with this? Many thanks. -- You received this question notification because your team yade-users is an answer contact

Re: [Yade-users] [Question #707167]: ModuleNotFoundError: No module named 'pandas'

Question #707167 on Yade changed: https://answers.launchpad.net/yade/+question/707167 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Hi Karol, This solved my problem. Many thanks. Cheers Kyle -- You received this question notification because your team y

[Yade-users] [Question #707167]: ModuleNotFoundError: No module named 'pandas'

New question #707167 on Yade: https://answers.launchpad.net/yade/+question/707167 Hi! I am trying to test the code 'oedometric.py' in the folder 'clumps-breakage' (https://gitlab.com/yade-dev/trunk/blob/master/examples/clumps-breakage/oedometric.py) on ubuntu 22.04 but failed. The error is

[Yade-users] [Question #707148]: Cylindrical triaxial test using Pfacet

New question #707148 on Yade: https://answers.launchpad.net/yade/+question/707148 Hi! I am new to Yade. I am working on the simulation of cylindrical triaxial tests. I have looked through all questions on the launchpad related to this field. But, unfortunately, there is no complete simulation

Re: [Yade-users] [Question #706821]: Particle breakage of clump using JCFpm

Question #706821 on Yade changed: https://answers.launchpad.net/yade/+question/706821 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Thanks Luc Scholtès, that solved my question. -- You received this question notification because your team yade-us

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Dear Karol, Many thanks. Your suggestion sovled my problem. Cheers, Kyle -- You received this question notification beca

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Status: Answered => Open Ruidong LI is still having a problem: Dear Vasileios, Thanks for your answer. I am so confused. In my opinion, the statement 'ymport.textClumps' is enough. is Add

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Ruidong LI posted a new comment: Dear Vasileios, Thanks for your answer. I have tried your code. So I just need to create a text for each clump and import them iteratively, right? Just using

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Status: Answered => Open Ruidong LI is still having a problem: Dear Vasileios, Thanks for your answer. I have tried your code. The error is below: unning script /home/kyle/Yade/install/bin/clump_test1

Re: [Yade-users] [Question #706062]: Triaxial test with flexible cylindrical membrane

Question #706062 on Yade changed: https://answers.launchpad.net/yade/+question/706062 Status: Answered => Open Ruidong LI is still having a problem: Dear Jan, Thanks for your reply. I have read your recommendation. But I am wondering whether it is applicable to use bonded partic

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Status: Answered => Open Ruidong LI is still having a problem: Thanks for your reply, Karol. >I can also recommend Matlab code for clumo generation developed by Angelidakis >et al. It is descri

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Ruidong LI posted a new comment: Thanks for your reply, Jan. >Just an idea to use this concept of "suitably" overlapping spheres, which >would represent more realistically the actual shape then

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Ruidong LI posted a new comment: Thanks for your reply, Karol. >I can also recommend Matlab code for clumo generation developed by Angelidakis >et al. It is described in [3]. [3] Angelidakis et al. 2021

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Ruidong LI gave more information on the question: Thanks for your reply, Jan. >or use a different packing method than regularHexa, see e.g. [Kozicki2012] [2] -- I have looked through your recommended pa

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Status: Answered => Open Ruidong LI is still having a problem: Thanks for your reply, Karol. >Are the particles somehow bonded (I mean grains in the sample)? --What do you mean particles are

Re: [Yade-users] [Question #706976]: Reconstruct particles from ct images

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 Ruidong LI gave more information on the question: Karol, Thanks for your reply. ---I think that you need to be much more specific. For example, is each of the 800 gts files modelling a single particle? ---Yes

[Yade-users] [Question #706976]: Reconstruct particles from ct images

New question #706976 on Yade: https://answers.launchpad.net/yade/+question/706976 Hello! I have a question about generating clumps from '.gts' files. I have almost 800 gts files. The issue was that the generated clump had a smaller volume than the original GTS file, causing the sample to

[Yade-users] [Question #706845]: Young's modulus and normal stiffness

New question #706845 on Yade: https://answers.launchpad.net/yade/+question/706845 Hi! I am new to Yade. What I am gonna ask is a simple question. If I know the normal and shear stiffness kn and ks of spheres, how can I determine the corresponding Young's modulus E and Poisson's ratio v? E = kn

[Yade-users] [Question #706821]: Particle breakage of clump using JCFpm

New question #706821 on Yade: https://answers.launchpad.net/yade/+question/706821 Hi! I want to model the particle breakage of clumps during the one-dimensional compression in a cylindrical boundary. My steps are as followed: Step 1: I import 800 GTS files into Yade and generated one-on-one

Re: [Yade-users] [Question #706774]: Gradation curve of assembly made of clumps

Question #706774 on Yade changed: https://answers.launchpad.net/yade/+question/706774 Status: Answered => Solved Ruidong LI confirmed that the question is solved: Thank you so much. That solved my problem. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #706774]: Gradation curve of assembly made of clumps

Question #706774 on Yade changed: https://answers.launchpad.net/yade/+question/706774 Status: Needs information => Open Ruidong LI gave more information on the question: Hello, Jan. Actually, what I need is the calculation of the gradation curve in general. I have an assembly of clu

[Yade-users] [Question #706774]: Gradation curve of assembly made of clumps

New question #706774 on Yade: https://answers.launchpad.net/yade/+question/706774 Hello！ I would like to know how to calculate the gradation curve of an assembly consisting of clumps. Many thanks. -- You received this question notification because your team yade-users is an answer contact for

Re: [Yade-users] [Question #706733]: volume of spheres inside a clump

Question #706733 on Yade changed: https://answers.launchpad.net/yade/+question/706733 Status: Answered => Solved Ruidong LI confirmed that the question is solved: OK. Thank you so much. -- You received this question notification because your team yade-users is an answer contact for Y

Re: [Yade-users] [Question #706733]: volume of spheres inside a clump

Question #706733 on Yade changed: https://answers.launchpad.net/yade/+question/706733 Ruidong LI posted a new comment: Dear Jan, Thanks for your help. Your answer helps a lot. But if we want to calculate the volume for the scenario where the spheres overlap, do you have any good ideas

Re: [Yade-users] [Question #706733]: volume of spheres inside a clump

Question #706733 on Yade changed: https://answers.launchpad.net/yade/+question/706733 Status: Needs information => Open Ruidong LI gave more information on the question: Dear Jan, For each clump and corresponding 'gts' file, the ratio of the total volume of the clump (which may be m

Re: [Yade-users] [Question #706733]: volume of spheres inside a clump

Question #706733 on Yade changed: https://answers.launchpad.net/yade/+question/706733 Status: Needs information => Open Ruidong LI gave more information on the question: Thanks for the reminder, Jan. Actually, I would like to know the total volume of spheres in one clump. Actually,

[Yade-users] [Question #706733]: volume of spheres inside a clump

New question #706733 on Yade: https://answers.launchpad.net/yade/+question/706733 Hi! I would like to calculate the volume of spheres inside each clump. How can I do this? Many thanks. -- You received this question notification because your team yade-users is an answer contact for Yade.

Re: [Yade-users] [Question #706639]: Oedometer test of cylindrical specimens

Question #706639 on Yade changed: https://answers.launchpad.net/yade/+question/706639 Status: Answered => Open Ruidong LI is still having a problem: Hi! Thanks for your advice. Adopting the TriaxialStressController is indeed a good choice. But I just have a question. For oedometer te

[Yade-users] [Question #706639]: Oedometer test of cylindrical specimens

New question #706639 on Yade: https://answers.launchpad.net/yade/+question/706639 Hi! I am new to Yade. I am currently working on the simulation of the oedometer test of cylindrical specimens. We have obtained all .gts files of particles inside the cylindrical specimen by CT scanning. The

Re: [Yade-users] [Question #706246]: create clump using gts

Question #706246 on Yade changed: https://answers.launchpad.net/yade/+question/706246 Status: Open => Solved Ruidong LI confirmed that the question is solved: This problem was solved by inverting face orientations. -- You received this question notification because your team yade-us

Re: [Yade-users] [Question #706246]: create clump using gts

Question #706246 on Yade changed: https://answers.launchpad.net/yade/+question/706246 Status: Answered => Open Ruidong LI is still having a problem: Is it an advertisement? -- You received this question notification because your team yade-users is an answer contact for Y

[Yade-users] [Question #706246]: create clump using gts

New question #706246 on Yade: https://answers.launchpad.net/yade/+question/706246 Hi! I try to mimic the example named 'gts-horse.py' with my own .gts file. But the spheres seem to be not generated with the facets but outside. My code is presented as follows: # -*- encoding=utf-8 -*- # © 2009

[Yade-users] [Question #706217]: import shapes as levelset body

forms as there are not too many illustrations on how to use this function. Can anyone help me with this? Thanks! Ruidong LI -- You received this question notification because your team yade-users is an answer contact for Yade. ___ Mailing list

[Yade-users] [Question #706062]: Triaxial test with flexible cylindrical membrane

New question #706062 on Yade: https://answers.launchpad.net/yade/+question/706062 Hi, I'm new to Yade. I wanted to do a triaxial test on a cylindrical specimen with a flexible membrane. I would like to how can I model the flexible membrane, and are there any available codes for references? Can