Hi Ruochun, Thank you for your answer! Just a further clarification: is it necessary to have a NVIDIA GPU? Could DEM-Engine also work on an AMD GPU?
Il giorno dom 24 dic 2023 alle ore 01:27 Ruochun Zhang <[email protected]> ha scritto: > 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]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/projectchrono/175f235c-8522-426c-aa93-bfa34a8edaa1n%40googlegroups.com > <https://groups.google.com/d/msgid/projectchrono/175f235c-8522-426c-aa93-bfa34a8edaa1n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. 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