Hello, I understand the parameters you mentioned. Those parameters are likely only fully available from the vehicle's designer/manufacturer. I'm hoping to find a useful physical tool to do engineering vehicle simulation training projects and create some demos.
在2026年2月9日星期一 UTC+8 01:18:32<Radu Serban> 写道： > Zero - you can use either DEM (through the Chrono::DEM module or through > its successor, the stand-alone Chrono DEM-Engine > <https://github.com/projectchrono/DEM-Engine> library) or CRM. > > It all depends on what you want to do. Yes, both methods for modeling > deformable terrain can be used with a Chrono::Vehicle model. Look up > various papers on this subject coming out of our lab to understand what you > can do. > > > > Those 3D models look very nice. However, unless you have all other > parameters necessary to model a ground vehicle (topology of the multibody > system, mass and inertia properties, hardpoint locations, characteristics > of springs and dampers, characteristics of hydraulic actuators, > transmission and engine parameters, etc, etc), these 3D models are far from > sufficient. Do you have access to all this data? > > > > --Radu > > > > *From:* Zero <[email protected]> > *Sent:* Saturday, February 7, 2026 8:57 PM > *To:* Radu Serban <[email protected]>; Dan Negrut <[email protected]> > *Cc:* ProjectChrono <[email protected]> > *Subject:* Re: [chrono] On the Application of Engineering Vehicle > Simulation > > > > For modeling ground/soil/rock, which modules should be used — chrono::dem > or chrono::fsi? Can they interact with Chrono::Vehicle? For CRM terrain, > how accurate is the modeling of discrete materials like sand, gravel, and > soil? Also, is anyone in the community working on this together? I can > provide 3D models, as shown above. > > Thanks! > > Zero > > > > 'Radu Serban' via ProjectChrono <[email protected]> 于2026年2月4日周三 > 17:06写道： > > The “bulldozer” Dan mentions is, as you can see, simply an existing > Chrono::Vehicle model with an attached blade. > > > > We do not have any Chrono::Vehicle templates for bulldozers or excavators, > mainly because there was never a project to support this development. > Theoretically, it would be relatively easy to add templates for bulldozer > blades and excavator arms which could then be optionally mounted to an > existing Chrono::Vehicle model (very much like we have the option to add > trailers/rear chassis to an existing vehicle). However, I never looked at > what the various possible topologies are (although they seem relatively > standardized). > > > > Having said that, you can follow the same idea in the paper Dan linked to > by starting with an appropriate existing Chrono::Vehicle template and then > adding in your code the additional Chrono physical components (bodies, > joints, actuators) to model the bulldozer blade or excavator arm. For > wheeled bulldozers and excavators, the existing templates should work just > fine (including models with articulated chassis steering). A more > difficult problem may be with tracked vehicles since we currently support > only a limited set of track assembly templates, so some vehicles will be > more difficult or impossible to fit into those. > > > > --Radu > > > > *From:* 'Dan Negrut' via ProjectChrono <[email protected]> > *Sent:* Friday, January 30, 2026 8:34 PM > *To:* Zero <[email protected]>; ProjectChrono <[email protected]> > *Subject:* RE: [chrono] On the Application of Engineering Vehicle > Simulation > > > > There is a code for a small bulldozer associated with this paper, see the > “reproducibility” discussion in the manuscript: > https://advanced.onlinelibrary.wiley.com/doi/10.1002/adrr.202500180 > <https://urldefense.com/v3/__https:/advanced.onlinelibrary.wiley.com/doi/10.1002/adrr.202500180__;!!Mak6IKo!PI-Jpc0GqKEnzkBtC1QKwwcPV7FqLzpTZL56ZiZQRWWyhUj5X8YZrWp_Ame8o7iokPkhy-cSxqIs6spVzoWI3LlUWAM$>. > > Uses CRM terrain. > > In general, it’s good to stick with CRM terrain for this type of > applications since it’s pretty fast and pretty accurate. > > Dan > > --------------------------------------------- > > Bernard A. and Frances M. Weideman Professor > > NVIDIA CUDA Fellow > > Department of Mechanical Engineering > > Department of Computer Science > > University of Wisconsin - Madison > > 4150ME, 1513 University Avenue > > Madison, WI 53706-1572 > > 608 772 0914 <(608)%20772-0914> > > http://sbel.wisc.edu/ > > http://projectchrono.org/ > <https://urldefense.com/v3/__http:/projectchrono.org/__;!!Mak6IKo!PI-Jpc0GqKEnzkBtC1QKwwcPV7FqLzpTZL56ZiZQRWWyhUj5X8YZrWp_Ame8o7iokPkhy-cSxqIs6spVzoWIijAX-lM$> > > > --------------------------------------------- > > > > *From:* [email protected] <[email protected]> *On > Behalf Of *Zero > *Sent:* Friday, January 30, 2026 12:39 PM > *To:* ProjectChrono <[email protected]> > *Subject:* [chrono] On the Application of Engineering Vehicle Simulation > > > > I want to use the Chrono engine to simulate construction vehicles such as > excavators and loaders. Are there any related examples, or which Chrono > template should I refer to for developing such simulations, and which > modules will be used? > > -- > 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/15bf9d9c-0dd2-4100-ae6a-b4a1f7a9016en%40googlegroups.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/15bf9d9c-0dd2-4100-ae6a-b4a1f7a9016en*40googlegroups.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!Pb5zxxkvyNZo2mi7Of09JnHICLm6QCIOyjJjTcxqn77tgeiA5IdGJUE4_qYrap5eNqreXDp7njGUQno$> > . > > -- > You received this message because you are subscribed to the Google Groups > "ProjectChrono" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/projectchrono/DM8PR06MB770379B0CFB62249928A3FDDB19FA%40DM8PR06MB7703.namprd06.prod.outlook.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/DM8PR06MB770379B0CFB62249928A3FDDB19FA*40DM8PR06MB7703.namprd06.prod.outlook.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!PI-Jpc0GqKEnzkBtC1QKwwcPV7FqLzpTZL56ZiZQRWWyhUj5X8YZrWp_Ame8o7iokPkhy-cSxqIs6spVzoWI6SypHj8$> > . > > -- > 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/CH3PPF46CDC2185C1729E2DE6618D76DBE9A798A%40CH3PPF46CDC2185.namprd06.prod.outlook.com > > <https://urldefense.com/v3/__https:/groups.google.com/d/msgid/projectchrono/CH3PPF46CDC2185C1729E2DE6618D76DBE9A798A*40CH3PPF46CDC2185.namprd06.prod.outlook.com?utm_medium=email&utm_source=footer__;JQ!!Mak6IKo!MJuJXRrziG8yEWPNoOlIOI4YT7IAATq8AnOQTImT9N1QzJrUGB8vfDJNQT3xDIlb5LILsxSLMuGm8E0$> > . > > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. 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