Is it possible to model a 6x6 or 8x8 vehicle chassis in Chrono?
osman cankurtaran
Hi everyone,
I’ve been exploring Project Chrono for off-road vehicle simulation, and I’m currently working on a concept that involves a multi-axle chassis — specifically a 6x6 or even an 8x8 configuration. I’ve seen various examples of 4x4 setups and tracked vehicles, but I was wondering:
- Is it currently possible to model and simulate a 6x6 or 8x8 wheeled vehicle in Chrono?
- If so, are there any recommended modules, examples, or best practices to follow for such configurations?
- Are there limitations or challenges I should be aware of when extending the number of axles?
Any guidance or reference to similar projects would be greatly appreciated!
Thanks in advance,
Radu Serban
You didn’t explore all available options and demos carefully enough
😊.
Chrono::Vehicle provides a kinematic driveline model for an arbitrary number of driven axles (see
ChSimpleDrivelineXWD) as well as a shafts-based 6x6 and 8x8 drivelines (see
ChShaftsDriveline6WD and
ChShaftsDriveline8WD).
There are 3 wheeled vehicle models available that use that:
- The 7t MAN truck model has an option for using a 6x6 driveline (derived from ChSimpleDrivelineXWD)
- The 10t MAN truck model has an option for using an 8x8 driveline (derived from ChSimpleDrivelineXWD)
- The MROLE model can be configured to use 2x2, 4x4, 6x6, or 8x8 drivelines (derived from ChSimpleDrivelineXWD or from ChShaftsDriveline8WD
If you are interested in JSON-based specification of vehicles with more than 2 driven axles, look at the vehicle and driveline JSON files for the MAN trucks.
You can select any of the above models in:
- demo_VEH_Wheeled (using the C++ vehicle models)
- demo_VEH_WheeledJSON (using JSON-based vehicle model specifications)
Best,
Radu
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osman cankurtaran
Hi Radu,
You're absolutely right. I didn’t take the time to thoroughly review it earlier, but now that you’ve sent it over, I see the details I missed. Thanks for pointing that out and for your support—I really appreciate it. I’ll take a closer look at it shortly.
Cheers!