Hi Davide, Unless you are willing to do something super hacky, I'd say Chrono should be installed on Linux too, if you are going to do co-simulations between DEME and Chrono (true for both C++ and Python versions). Until I found a solution to the Windows build problem, that is.
Thank you, Ruochun On Saturday, December 23, 2023 at 9:02:41 AM UTC-6 [email protected] wrote: > Thank you Ruochun for your answer! Just a clarification: given that DEME > works only on Linux, also Chrono must be installed on Linux or is it > possible to work with the Windows version of Chrono? > > Il giorno venerdì 15 dicembre 2023 alle 17:29:50 UTC+1 Ruochun Zhang ha > scritto: > >> Hi Davide, >> >> I see. If it's a full-vehicle mobility simulation we are talking about, >> then compared to the terrain, the memory needed for a vehicle is >> negligible. For a test bed ~20m² in area and ~30cm in depth and using >> elements with size ~1cm (which is usually enough for accuracy), I expect >> 1.5M complex-shaped elements, and that probably uses something like 3 GiB, >> which is possible with consumer cards. It is, of course, a rough estimate >> and it's easy to shift that number up or down by an order of magnitude by >> selecting your own element size. The simulation time usually does not have >> an impact on the memory needed. >> >> Thank you, >> Ruochun >> >> On Friday, December 15, 2023 at 4:25:26 AM UTC-6 [email protected] >> wrote: >> >>> Hi Ruochun, >>> I mean how much does it weight, on average, a simulation of a vehicle + >>> terrain DEM in terms of GB. I know that it could depend on several factors >>> such as the number of particles involved or the simulation time, but I >>> would like to know just a rough estimate. >>> >>> Thank you, >>> Davide >>> >>> Il giorno ven 15 dic 2023 alle ore 11:05 Ruochun Zhang < >>> [email protected]> ha scritto: >>> >>>> Hi Davide, >>>> >>>> I didn't quite understand. The weight in terms of what? Did you mean >>>> the total weight of all the simulation entities? >>>> >>>> Thank you, >>>> Ruochun >>>> >>>> On Friday, December 15, 2023 at 3:56:07 AM UTC-6 [email protected] >>>> wrote: >>>> >>>>> Thank you very much for your quick answer! Could you give me an >>>>> indicative estimate of the weight of the final results of a vehicle >>>>> simulation + terrain DEM? >>>>> >>>>> Davide >>>>> >>>>> Il giorno giovedì 14 dicembre 2023 alle 17:49:00 UTC+1 Ruochun Zhang >>>>> ha scritto: >>>>> >>>>>> Hi Davide, >>>>>> >>>>>> Yes, it's fine. The utility provided by DEME remains completely the >>>>>> same. As you noted, the only difference is the computational time and >>>>>> the >>>>>> amount of VRAM that you have access to. >>>>>> >>>>>> Ruochun >>>>>> >>>>>> On Thursday, December 14, 2023 at 9:53:13 AM UTC-6 >>>>>> [email protected] wrote: >>>>>> >>>>>>> Thank you Ruochun and Radu for your answer! So, is it fine to use >>>>>>> only one GPU for Chrono and DEM-Engine? Apart from higher computational >>>>>>> time, are there other critical issues? >>>>>>> >>>>>>> >>>>>>> Il giorno sabato 9 dicembre 2023 alle 01:07:28 UTC+1 Ruochun Zhang >>>>>>> ha scritto: >>>>>>> >>>>>>>> Hi Davide, >>>>>>>> >>>>>>>> To add a bit further explanation in addition to Radu's reply... >>>>>>>> DEM-Engine *works* on one GPU. >>>>>>>> >>>>>>>> For running co-simulation with DEM-Engine specifically, you can: >>>>>>>> >>>>>>>> 1. Use pyDEME, in conjunction with pyChrono or other python >>>>>>>> packages. This is probably easy. >>>>>>>> 2. Refer to this post >>>>>>>> <https://groups.google.com/g/projectchrono/c/CknPD7X_5cY> or this >>>>>>>> section of DEME's documentation >>>>>>>> <https://github.com/projectchrono/DEM-Engine#install-as-library> to >>>>>>>> build the C++ version of DEME as a library, then link your >>>>>>>> simulation >>>>>>>> scripts against it. This gives you C++ performance. >>>>>>>> >>>>>>>> For other potential approaches to your research project, you can >>>>>>>> explore the options in Radu's reply. >>>>>>>> >>>>>>>> Thank you, >>>>>>>> Ruochun >>>>>>>> >>>>>>>> On Thursday, December 7, 2023 at 8:49:13 AM UTC-6 >>>>>>>> [email protected] wrote: >>>>>>>> >>>>>>>>> Hi all, >>>>>>>>> I am writing my master's thesis about tyre-ground interaction and >>>>>>>>> I have read that there is the possibility to use DEM-engine in >>>>>>>>> collaboration with Chrono. I was wondering if it could work also on >>>>>>>>> CPU or >>>>>>>>> on a single GPU instead of two. >>>>>>>>> Thank you in advance! >>>>>>>>> >>>>>>>>> Davide >>>>>>>>> - >>>>>>>>> >>>>>>>> -- >>>> >>> 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/6ab06615-1863-44d5-a3e0-aa71555c89e1n%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/projectchrono/6ab06615-1863-44d5-a3e0-aa71555c89e1n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- 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]. 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