Radu, Thank you for your reply. Now I want to use the frame of the vehicle MAN and then Rigid of HMMWV, and I can modify the radius of the tire by configuring the Json file, right?
在2024年2月28日星期三 UTC+8 16:17:56<Radu Serban> 写道： > Jay, > > I assume you are talking about the existing TMeasy JSON model, correct? If > so, the answer is yes, that’s how you would change the tire radius. > However, you may want to change other tire parameters so that you model a > reasonable tire. > > --Radu > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *Jay Sun > *Sent:* Wednesday, February 28, 2024 9:12 AM > *To:* ProjectChrono <[email protected]> > *Subject:* Re: [chrono] Vehicle (MAN) does not interact with the > deformable terrain > > > > Thank you very much for your reply. I have one more question. I want to > change the radius of the wheel. Is it possible to change the Unload radius > parameter in the JSON file? > > 在2024年2月28日星期三 UTC+8 16:02:54<Radu Serban> 写道： > > Jay, > > Indeed, only tire models that carry a collision shape can interact with > SCM deformable terrain. The handling tire models (Pacejka, TMeasy, > TMsimple, Fiala) do not have an associated collision shape. > > We will add an option for a rigid tire to the MAN trucks in the > Chrono::Vehicle models library. > > Until then, the easiest solution is to create the vehicle from the > provided set of JSON files and create your own rigid tire JSON > specification file (say, using the HMMWV one as an example). You seem to > be using PyChrono, so you’ll want to use a modified version of > demo_VEH_WheeledJSON where you replace the current HMMWV specification > files with the corresponding ones for the MAN truck (including that new > rigid tire JSON you will be creating). > > --Radu > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *Jay Sun > *Sent:* Wednesday, February 28, 2024 5:36 AM > *To:* ProjectChrono <[email protected]> > *Subject:* [chrono] Vehicle (MAN) does not interact with the deformable > terrain > > > > Hi everyone, > > > > The vehicle (MAN) does not interact with the deformable terrain > (veh.SCMTerrain) and the wheels do not leave ruts after passing. The > possible reason is that the vehicle MAN ( > https://api.projectchrono.org/vehicle_models.html#vehicle_models_man > <https://urldefense.com/v3/__https:/api.projectchrono.org/vehicle_models.html*vehicle_models_man__;Iw!!Mak6IKo!LpbnZWBLij8eDUyYxZ7YQetMQK_FtvgMw5aAAGLfcpnJk3DknDr1RF7wAkGxD-JjHg_JvdY0pvqqltYUP7I$>) > > has only this type of tire (veh.TireModelType_TMEASY) and not > veh.TireModelType_Rigid type. As shown below, please tell me what I should > do? Can I replace it with HMMWV Rigid tire? I tried to do so, but there was > an error. Looking forward to your reply, thank you very much! > > > > Regard, > > Jay > > > > -- > You received this message because you are subscribed to the Google Groups > "ProjectChrono" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/projectchrono/d96d4f37-d86e-40b2-9bcb-4c215b197afdn%40googlegroups.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/d96d4f37-d86e-40b2-9bcb-4c215b197afdn*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!LpbnZWBLij8eDUyYxZ7YQetMQK_FtvgMw5aAAGLfcpnJk3DknDr1RF7wAkGxD-JjHg_JvdY0pvqqDLR2y2s$> > . > > -- > 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/5a2163a8-8bab-4e9f-a3aa-7bd778886552n%40googlegroups.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/5a2163a8-8bab-4e9f-a3aa-7bd778886552n*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!M54eFjp8WdqYl4sA54LVkrnSLeV0Cb1U5DRnwt0cbtTfHy8y3xNFWXGSDivOFYD-TzaJZLBy3Othf0It008$> > . > -- 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/3f9bda07-9e35-42fb-9f4c-8de6126b7aadn%40googlegroups.com.
