Hi Prabhat, It's published and can be found here https://www.sciencedirect.com/science/article/pii/S001046552400119X?via%3Dihub
Thank you, Ruochun On Wednesday, April 3, 2024 at 3:27:46 AM UTC+8 [email protected] wrote: > Hi Ruochun, > > Thank you so much for your response. I would very much appreciate it if > you notify me once the paper gets published. > > Thanks, > Prabhat > > On Tuesday, March 26, 2024 at 3:29:16 AM UTC-7 Ruochun Zhang wrote: > >> Hi Prabhat, >> >> To answer your question: You probably see a warning in your output file, >> """" >> WARNING! At least one clump is initialized with a position out of the box >> domain you specified. >> It is found at 0.378, 0, 0.076383 (this message only shows one such >> example). >> This simulation is unlikely to go as planned. >> """ >> This is the problem. It appears that the points you sampled live in x∈[0, >> 0.4], but the x range of your simulation world is defined as something like >> [-0.25, 0.25]. This will make the particles to be initialized in unexpected >> locations, cause large initial penetrations, and then destabilize the >> simulation. I fixed the world size definition, and it seems to fix the >> problem. The extremely fine step size you are using is not necessary: The >> physics in this simulation is simple. >> >> By the way, in the upcoming paper about DEME >> <https://arxiv.org/abs/2311.04648>, we will include a Goldenberg test >> example, and provide the associated demo script. If you want, we can let >> you know when it is officially published. >> >> Thank you, >> Ruochun >> On Tuesday, March 26, 2024 at 1:41:58 AM UTC+8 [email protected] wrote: >> >>> Hello everyone, >>> >>> I have been trying to replicate the 2D Goldenberg et al experiment >>> <https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.89.084302> in >>> DEME. It was replicated as a validation study for Chrono::GPU (as described >>> in the 2021 paper <https://doi.org/10.3390/pr9101813>), so I figured it >>> could be easily done in DEME too. However, I am having some issues with >>> generating particles and having them settle under gravity. I have been >>> using a nested for loop to generate the initial positions of particles and >>> while I don't have any issues with the generation of positions (see >>> attached paraview screenshot), I encounter the excessive velocity run-time >>> error while settling the particles under gravity. I have tried to decrease >>> the step size, increase the box domain dimensions to eliminate boundary >>> effects, relax the physics (decrease the Young's modulus of the terrain), >>> and increased the initial safety distance of the particles to no avail. >>> >>> I have attached my code to this message and I have been modifying the 2D >>> ball drop demo. >>> >>> Thanks and regards, >>> Prabhat >>> >> -- 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/1c80af0a-8db5-45a9-a861-71037e475733n%40googlegroups.com.
