Hi Mohammad, Then it is quite surprising. This error means a sphere is touching 30 objects, mesh facets and other spheres included. What comes close to being the cause is still in my opinion, the tip of the mesh. I'd suggest you modify your script a bit so it represents a scenario where a cylinder is dropped (i.e. the same part, but without the tip) onto the granular bed. Run it and if it works you know the problem is the tip mesh, and I have a few ideas on how to resolve that. If that still does not work, then in the simulation at some point the physics must've gone wild somehow, and that'd take a bit more effort to find.
Also, make sure you *rebuild Chrono each time* you make change to the source code, such as changing MAX_SPHERES_TOUCHED_BY_SPHERE. You can change it back to 12 or something smaller like 20 when you are doing the testing. Thank you, Ruochun On Thursday, July 7, 2022 at 11:32:39 PM UTC-5 [email protected] wrote: > Hi Ruochun, > > I have tried the solution you told me about in your post. I have changed > the *MAX_SPHERES_TOUCHED_BY_SPHERE to be 30. *However, now, I am getting > the following error (*error file: *unspecified launch failure in > ChGpu_SMC_trimesh.cu 754, *Output file:* Sphere 16054 is touching 12 > spheres already and we just found another!!!). Also, I have tried to change > the mesh to have less slender elements near the tip however I still got the > same error. > > Thank you so much, > On Wednesday, July 6, 2022 at 11:21:00 AM UTC-7 Mohammad Wasfi wrote: > >> Hi Freya, >> >> My coda version is 11.4. I have an intel GPU and it still works for me so >> I am not sure how the compatibility of the GPU affects the animation. >> >> This page should have everything you need about ParaView: 7. Animation — >> ParaView Documentation 5.10.0 documentation >> <https://docs.paraview.org/en/latest/UsersGuide/animation.html#:~:text=In%20ParaView%2C%20you%20can%20create%20animations%20by%20recording,the%20parameters%2C%20you%20can%20play%20through%20the%20animation.> >> >> In short, I do the following steps; >> 1- open my .csv files obtained from my Chrono simulation in ParaView ( >> ParaView groups all files under the one.). >> 2- right click on the files the .csv --> add filter --> >> alphabetical-->Table to points. >> 3- assign the x,y, and z columns. >> the window should have a visualization of your results ( you could change >> the representation to what you think is best under the representations >> menu). >> 4- file --> save animation. >> >> Hope this helps, >> Mohammad >> On Tuesday, July 5, 2022 at 2:42:52 AM UTC-7 [email protected] wrote: >> >>> Hi Mohammad, >>> >>> can I ask how you create the Chrono video with Paraview? I want to >>> create video of my Chrono example with Paraview too. Which CUDA version are >>> you using ? I want to install chrono::gpu and I am trying CUDA 11.7 but it >>> does not work correctly, maybe because my GPU is not CUDA compatible. >>> Perhaps later on if I have better GPU. >>> >>> Thanks for sharing the video. >>> >>> Le mar. 5 juil. 2022 à 01:28, Mohammad Wasfi <[email protected]> a >>> écrit : >>> >>>> Hi, >>>> >>>> Thank you so much for your help. I really appreciate it. I will >>>> definitely rebuild Chrono again using the latest version and will let you >>>> know if any changes occur. For the cone, I have implemented a motor that >>>> ensures a constant velocity of the cone. My understanding is that the >>>> motor >>>> applies as much force as needed to maintain a constant velocity of the >>>> cone >>>> which is the reason why the cone does not stop in the bed. I have >>>> generated >>>> another video using ParaView ( >>>> https://drive.google.com/file/d/1q-hgTcJY62kLblqr37sFoHX-4goOwbzR/view?usp=sharing) >>>> >>>> and it shows that the cone pushes the particles away as it moves. Also, >>>> non >>>> of the particles get inside the cone. I have included the .cpp file needed >>>> to run this simulation to avoid any confusion. >>>> >>>> Forgive me I had to upload the video as a link due to size limitations >>>> for the post. >>>> >>>> Thank you so much for your help and please let me know if there is >>>> anything else you want me to provide to you, >>>> >>>> Mohammad, >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "ProjectChrono" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/projectchrono/6d42e6d0-d9f3-4612-b5ea-ad853ac2b082n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/projectchrono/6d42e6d0-d9f3-4612-b5ea-ad853ac2b082n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> >>> >>> -- >>> С наилучшими пожеланиями, Богиня Фрейя >>> Atenciosamente, Freya the Goddess >>> Meilleurs voeux, Freya the Goddess >>> Liebe Grüße, Freya the Goddess >>> Best wishes, Freya the Goddess >>> よろしくお願いします、Freya the Goddess >>> 最好的祝福，Freya the Goddess >>> Matakwa mema, Freya the Goddess >>> مع أطيب التمنيات ، فريا الإلهة >>> >> -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/projectchrono/af95a6eb-1e34-4cae-82ab-b2f47fdab10fn%40googlegroups.com.
