Re: [Yade-users] [Question #707257]: How to set the parameters of JCFpmMat?

Question #707257 on Yade changed: https://answers.launchpad.net/yade/+question/707257 Status: Answered => Solved William confirmed that the question is solved: Thanks Luc Scholtès, that solved my question. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #707260]: The problem of material parameters.

Question #707260 on Yade changed: https://answers.launchpad.net/yade/+question/707260 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

[Yade-users] [Question #707260]: The problem of material parameters.

New question #707260 on Yade: https://answers.launchpad.net/yade/+question/707260 Hi, everyone! There is a question bother me for a long time. That’s the particle parameters young’s modulus and poisson’s ratio. In Yade, we set the modulus and poisson’s ratio directly. kn = 2.*E*R1*E*R2/(E*R1+E*

[Yade-users] [Question #707257]: How to set the parameters of JCFpmMat?

New question #707257 on Yade: https://answers.launchpad.net/yade/+question/707257 Hi, everyone! I have read some literature to figure out how to set the parameters of JCFpmMat, especially the tensileStrength and the cohesion. However, I still have some problems. The tensileStrength and cohesio

Re: [Yade-users] [Question #707090]: How to generate a cylinder?

Question #707090 on Yade changed: https://answers.launchpad.net/yade/+question/707090 William posted a new comment: Hi, Jan. Thanks for your reply. I want to create a blender to mix the particles. The cylinder I ask for can be the shaft of the blender. Multiple cylinders form an irregularly

Re: [Yade-users] [Question #707090]: How to generate a cylinder?

Question #707090 on Yade changed: https://answers.launchpad.net/yade/+question/707090 Status: Answered => Open William is still having a problem: Hi, Karol. Thanks for your reply. The cylinder generated using your suggested method is hollow and I want a solid cylinder. Because I'm

[Yade-users] [Question #707090]: How to generate a cylinder?

New question #707090 on Yade: https://answers.launchpad.net/yade/+question/707090 Hi, everyone! A cuboid shaped stick could be generated by using the following code: box = utils.box((0.7,0.7,0),(0.03,0.03,0.5)) O.bodies.append(box) If I want to generate a cylinder by this method, how should I d

[Yade-users] [Question #707043]: Does 'JCFpmPhys' have 'matchmaker'?

New question #707043 on Yade: https://answers.launchpad.net/yade/+question/707043 Hi, everyone! I want to simulate the combination of granular particles and rocks. That is to say, one part of a sample is soil particles, and the other part is rock consist of the bonded particles. Firstly, I impo

Re: [Yade-users] [Question #707022]: A problem with 'JCFmpMat'

Question #707022 on Yade changed: https://answers.launchpad.net/yade/+question/707022 William confirmed that the question is solved: Thanks Luc Scholtès, that solved my question. -- You received this question notification because your team yade-users is an answer contact for Yade

Re: [Yade-users] [Question #707022]: A problem with 'JCFmpMat'

Question #707022 on Yade changed: https://answers.launchpad.net/yade/+question/707022 Status: Open => Solved William confirmed that the question is solved: Hi, Luc. I have read your paper and it helped me a lot. I have understood the meaning of 'aabbEnlargeFac

[Yade-users] [Question #707027]: How to combine 'FrictMat' with 'JCFpmMat'?

New question #707027 on Yade: https://answers.launchpad.net/yade/+question/707027 Hi, everyone! I am preparing triaxial samples. I want to study the process of gradual transition from granular materials to continuum materials (many particles — a whole rock). I will bond a part of particles ) ran

Re: [Yade-users] [Question #707022]: A problem with 'JCFmpMat'

Question #707022 on Yade changed: https://answers.launchpad.net/yade/+question/707022 Status: Answered => Open William is still having a problem: Hi, Luc. Thanks for your reply. > Basically, the sample is stress free at the first iteration of a JCFPM > simulation. Sorry, I don

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

Question #706976 on Yade changed: https://answers.launchpad.net/yade/+question/706976 William posted a new comment: Hi, Karol. I wonder that what the '1' and '10' mean in the 'clumps.txt' ### input file with clumps "clumps.txt" 0.068037 0.02416

Re: [Yade-users] [Question #701110]: wall friction

Question #701110 on Yade changed: https://answers.launchpad.net/yade/+question/701110 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #701737]: How to apply stress?

Question #701737 on Yade changed: https://answers.launchpad.net/yade/+question/701737 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #706962]: The problem of matchmaker

Question #706962 on Yade changed: https://answers.launchpad.net/yade/+question/706962 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #701792]: friction coefficient between different materials

Question #701792 on Yade changed: https://answers.launchpad.net/yade/+question/701792 Status: Answered => Solved William confirmed that the question is solved: Thanks Robert Caulk, that solved my question. -- You received this question notification because your team yade-users is an ans

[Yade-users] [Question #707022]: A problem with 'JCFmpMat'

New question #707022 on Yade: https://answers.launchpad.net/yade/+question/707022 Hi, everyone. I have a problem with ‘JCFpmMat’. What’s the difference between ‘JCFpmMat’ and ‘FrictMat’ if we set the tensileStrength and cohesion to 0? For example, there are two scripts and the difference betwee

Re: [Yade-users] [Question #706962]: The problem of matchmaker

Question #706962 on Yade changed: https://answers.launchpad.net/yade/+question/706962 William posted a new comment: Hi, Jan. I have simplified the code. Yade 2021.01a > Here is the new code and the error. from yade import pack, timing #time calculation startT = O.time endT = O.time timeSp

[Yade-users] [Question #706962]: The problem of matchmaker

New question #706962 on Yade: https://answers.launchpad.net/yade/+question/706962 When I add the 'MatchMaker' in the second engine, the error 'terminate called recursively' appears. I didn't find what's wrong with the code. If i delete the relavant code of matchmaker, it will run without the err

Re: [Yade-users] [Question #706910]: Whether polyhedral particles are suitable for triaxial tests？

Question #706910 on Yade changed: https://answers.launchpad.net/yade/+question/706910 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

[Yade-users] [Question #706910]: Whether polyhedral particles are suitable for triaxial tests？

New question #706910 on Yade: https://answers.launchpad.net/yade/+question/706910 Hi, everyone. Irregular particles are often used in triaxial tests and spherical particles cannot meet our needs usually. The irregular shape particles are realized by clump method in Yade. However, whether polyhed

Re: [Yade-users] [Question #706883]: The particle deposition rate is too slow

Question #706883 on Yade changed: https://answers.launchpad.net/yade/+question/706883 Status: Answered => Solved William confirmed that the question is solved: Thanks Karol Brzezinski, that solved my question. -- You received this question notification because your team yade-users is

Re: [Yade-users] [Question #706883]: The particle deposition rate is too slow

Question #706883 on Yade changed: https://answers.launchpad.net/yade/+question/706883 Status: Answered => Open William is still having a problem: Hi, Karol. Thanks for your reply. > you should change the timestep to be smaller than PWaveTimeStep() Thanks for your suggestion. >

[Yade-users] [Question #706883]: The particle deposition rate is too slow

New question #706883 on Yade: https://answers.launchpad.net/yade/+question/706883 Hi, I want to pour the particles into a container and stir. However, the particle deposition rate is too slow. How can I accelerate the process? Here is my script. import random import math from yade import geom,

Re: [Yade-users] [Question #699998]: How to simulate small-strain triaxial compression test

Question #68 on Yade changed: https://answers.launchpad.net/yade/+question/68 William posted a new comment: Hi, Leonard I have read your code and the conversation. There are some questions still trouble me. I hope you or some other friends could help me. > young=5e6 # contact stiffn

Re: [Yade-users] [Question #701666]: How to present the pore network model in flowengine

Question #701666 on Yade changed: https://answers.launchpad.net/yade/+question/701666 William Hoke posted a new comment: Hey, Thanks for providing such informative and useful stuff about How to present the pore network model in a flow engine. Keep it up and provide more like this. https

[Yade-users] [Question #701792]: friction coefficient between different materials

New question #701792 on Yade: https://answers.launchpad.net/yade/+question/701792 Hi, there are two kinds of sphere with different materials. The inner friction angle of the two kinds are 10 and 20 respectively. If the coefficient of friction between the two kinds of sphere is tan15, how could I

Re: [Yade-users] [Question #701783]: How to assign material properties？

Question #701783 on Yade changed: https://answers.launchpad.net/yade/+question/701783 Status: Answered => Solved William confirmed that the question is solved: Thanks Jan Stránský, that solved my question. -- You received this question notification because your team yade-users is an ans

Re: [Yade-users] [Question #701783]: How to assign material properties？

Question #701783 on Yade changed: https://answers.launchpad.net/yade/+question/701783 William posted a new comment: Sorry for my vague expression. The 3D model in primary view will disappear suddenly when the second script is run. -- You received this question notification because your team

Re: [Yade-users] [Question #701783]: How to assign material properties？

Question #701783 on Yade changed: https://answers.launchpad.net/yade/+question/701783 Description changed to: Hi, I have two scripts. They are used to generate a same sample and the difference of them is the way to assign properties for the material (sphere). The first program work properly but

[Yade-users] [Question #701783]: How to assign material properties？

New question #701783 on Yade: https://answers.launchpad.net/yade/+question/701783 Hi, I have two scripts. They are used to generate a same sample and the difference of them is the way to assign properties for the material (sphere). The first program doesn't work properly but the second one dose.

Re: [Yade-users] [Question #701783]: How to assign material properties？

Question #701783 on Yade changed: https://answers.launchpad.net/yade/+question/701783 William posted a new comment: the second script # ### Defining parameters and variables # ### Matrix material Density1

Re: [Yade-users] [Question #701783]: How to assign material properties？

Question #701783 on Yade changed: https://answers.launchpad.net/yade/+question/701783 William posted a new comment: the first script # ### Defining parameters and variables ### # ### Matrix Density1 = 2600

Re: [Yade-users] [Question #701737]: How to apply stress?

Question #701737 on Yade changed: https://answers.launchpad.net/yade/+question/701737 William posted a new comment: Hi, Jan Thanks for your answer. ### stress = 1e7 # max stress, Pa rate = 1e8 # stress rate, Pa/s def applyForce(): f = O.time * rate # linear increase, can be whatever else

[Yade-users] [Question #701737]: How to apply stress?

New question #701737 on Yade: https://answers.launchpad.net/yade/+question/701737 Hi, I want to know how to apply stress on the box. I used to apply a force directly but I don’t think it’s correct. For example, 100kPa should be applied in the z direction and I write next code(1e7N = 10Pa * 1

Re: [Yade-users] [Question #685892]: Importing Yade in other Python applications

Question #685892 on Yade changed: https://answers.launchpad.net/yade/+question/685892 Status: Open => Answered William Chevremont proposed the following answer: Hi, Did you compile yade using python3 version? According to this line : print 'Yade version: %s%s'%(version,de

Re: [Yade-users] [Question #685214]: ElectrostaticPhys: equation and constants

Question #685214 on Yade changed: https://answers.launchpad.net/yade/+question/685214 William Chevremont proposed the following answer: Hi, As Bruno said, this was a work in progress and this will be deleted soon, as a more general framework will replace this stuff (generic lubricated

Re: [Yade-users] [Question #684839]: PDFEngine

21000 Best Regards, William On 09/10/2019 01:32, nobody wrote: New question #684839 on Yade: https://answers.launchpad.net/yade/+question/684839 Hi All, I want to use the PDFEngine in my simulation, and I found an answer, but it seems not to work. here is my MWE: from yade import pack,

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

Question #682859 on Yade changed: https://answers.launchpad.net/yade/+question/682859 Status: Open => Answered William Chevremont proposed the following answer: Hi, PDFEngine do that for you. It compute the average of quantities like stress, distance, and probability of interaction for e

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

Question #681663 on Yade changed: https://answers.launchpad.net/yade/+question/681663 Status: Open => Answered William Chèvremont proposed the following answer: if O.time > 10: O.stopAtIter=O.iter+1; -- You received this question notification because your team yade-users is an

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

Question #681105 on Yade changed: https://answers.launchpad.net/yade/+question/681105 William Chèvremont proposed the following answer: You can read vtk data from matlab, using this function. You need first to compile it using mex: /* Convert four uint8 to float64 value */ #include "

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

Question #681105 on Yade changed: https://answers.launchpad.net/yade/+question/681105 Status: Open => Answered William Chèvremont proposed the following answer: Hi, Have a look at VTK recorder https://yade- dem.org/doc/yade.wrapper.html?highlight=vtk#yade.wrapper.VTKRecorder.record

Re: [Yade-users] [Question #679748]: Error with lubrication law solver

Question #679748 on Yade changed: https://answers.launchpad.net/yade/+question/679748 Status: Open => Answered William Chèvremont proposed the following answer: Hi, Yes and no. In fact, you have two subsystem: one when the two spheres interacts only with lubrication, and one when you h

Re: [Yade-users] [Question #679748]: Error with lubrication law solver

Question #679748 on Yade changed: https://answers.launchpad.net/yade/+question/679748 Status: Open => Answered William Chèvremont proposed the following answer: Hi, There are multiple solver for this contact law, but in certain case, I found that some can't give accurate resul

Re: [Yade-users] [Question #676053]: Export stress contour of interaction between polyhedra and spheres

Question #676053 on Yade changed: https://answers.launchpad.net/yade/+question/676053 Status: Open => Answered William Chevremont proposed the following answer: Hi, Full script is useless because of very specific stuff done inside, this will confuse more than explain. The only modificat

Re: [Yade-users] [Question #676053]: Export stress contour of interaction between polyhedra and spheres

Question #676053 on Yade changed: https://answers.launchpad.net/yade/+question/676053 Status: Open => Answered Chevremont William proposed the following answer: Hi, Very recently, I introduce PDFEngine, that seems to make what you want, but I tested it only for Sphere-Sphere interact

Re: [Yade-users] [Question #667236]: Distant interactions with aabbEnlargeFactor & interactionDetectionFactor

Question #667236 on Yade changed: https://answers.launchpad.net/yade/+question/667236 Status: Open => Answered William Chèvremont proposed the following answer: Hi Nicolas, What you are looking about is lubricated contact law. It's still under development but you can already use i

Re: [Yade-users] [Question #665387]: Compile error JointedCohesiveFrictionalPM

Question #665387 on Yade changed: https://answers.launchpad.net/yade/+question/665387 William Chèvremont posted a new comment: Solved by adding #include into JointedCohesiveFrictionalpm.hpp, Thanks Robert. -- You received this question notification because your team yade-users is an answer

[Yade-users] [Question #665387]: Compile error JointedCohesiveFrictionalPM

New question #665387 on Yade: https://answers.launchpad.net/yade/+question/665387 Hi, I've just updated the source code of yade using git pull and I get this compile error, comming from code added 2 days ago: /media/datas/Yade2/trunk/pkg/dem/JointedCohesiveFrictionalPM.cpp: In member function

Re: [Yade-users] [Question #657790]: Electrostatic material

Question #657790 on Yade changed: https://answers.launchpad.net/yade/+question/657790 Status: Open => Answered Chevremont William proposed the following answer: Hi, This material has been created to create a potential between two spheres (only work on spheres for instance). It's

Re: [Yade-users] [Question #188032]: looking for the InCylinder folder

Question #188032 on Yade changed: https://answers.launchpad.net/yade/+question/188032 Project: Launchpad itself => Yade -- You received this question notification because you are a member of yade-users, which is an answer contact for Yade. ___ Mai