Dan, I suppose Meng needs DEM-C for his research, maybe a comparison. I feel this can be done via base Chrono's callback functions, but I am not too familiar with it; hoping someone can help.
Thank you, Ruochun On Thursday, March 6, 2025 at 11:35:46 AM UTC+8 Dan Negrut wrote: > Is there a reason why you want to use the non-smooth DEM? > > > > For larger problems, other users have had good luck with this Chrono DEM > implementation: https://github.com/projectchrono/DEM-Engine. It’s smooth > contact though. It can specify a user-defined force that behaves as you > describe. It’s fast, but requires NVIDIA GPUs. > > > > Dan > > --------------------------------------------- > > Bernard A. and Frances M. Weideman Professor > > NVIDIA CUDA Fellow > > Department of Mechanical Engineering > > Department of Computer Science > > University of Wisconsin - Madison > > 4150ME, 1513 University Avenue > > Madison, WI 53706-1572 > > 608 772 0914 <(608)%20772-0914> > > http://sbel.wisc.edu/ > > http://projectchrono.org/ > > --------------------------------------------- > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *DoubleJing Forever > *Sent:* Wednesday, March 5, 2025 8:51 PM > *To:* ProjectChrono <[email protected]> > *Subject:* [chrono] Non smooth DEM with Chrono for modelling cohesive > granular materials > > > > Hi all, > > > > I plan to use the nonsmooth DEM (DEM-C) with the Chrono for modeling > cohesive granular materials. Do you guys know if there is a contact model > alllowing tensile contact forces (or cohesive contact forces) between > particles? Also, it the force reachs the maximum contact tensile force, the > cohesion linkage can be broken. Please help me if you have some idea. > > > > Best regards, > > Jingjing Meng > > -- > 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 visit > https://groups.google.com/d/msgid/projectchrono/81253b8b-6cc0-4d0d-a594-128156973db6n%40googlegroups.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/81253b8b-6cc0-4d0d-a594-128156973db6n*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!KQsRLgM4YklsI37c-N00nKs0I_ed54WZ7SSY2dX5N_LXAZUFRJcPwOyx85lWbd6rXDDG0WlZIxpvaL2Jm3s$> > . > -- 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 visit https://groups.google.com/d/msgid/projectchrono/042563a1-738e-4706-87ec-25f49230cc65n%40googlegroups.com.
