Hello Ruochun, Thank you for your answer and for the explanation, you made it very clear.
Victor. Le mardi 13 août 2024 à 21:45:51 UTC+9, Ruochun Zhang a écrit : > Hi Victor, > > There is no particular reason, other than it being a demo that shows "big > clumps" are possible and a use case of them. So you can use an obj mesh to > replace it. > > As for the physics, a clump representation offers more surface roughness, > so it could lead to higher drag compared to a smooth mesh-represented > surface, unless you specifically model the mesh surface to compensate. > However, in the case where the drag is provided mostly by the grousers, my > experience is that the discrepancy becomes less pronounced. > > Thank you, > Ruochun > > On Tuesday, August 13, 2024 at 6:14:55 PM UTC+8 Victor Michel wrote: > >> Hello, >> In the WheelSlopeSlip demo of DEME the wheel is imported as a .csv >> because, as stated in the presentation of the demo, it is imported as a set >> of clumps. >> I was wondering if there was any particular reason to have done this >> (aside from proving it could be done) instead of importing a .obj mesh file >> like in the WheelDP demo? Or can I just adapt the WheelSlopeSlip demo to >> have it run importing .obj files (based on how it is done in the WheelDP >> demo)? >> >> Thank you ! >> Victor >> >> -- 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/90653fa5-116e-4d70-b829-ae4c5bcd36d8n%40googlegroups.com.
