RE: [chrono] Re: The height of the Sedan

[Radu Serban]

It’d be nice to provide a short explanation of what the problem was. 
This user forum is archived and searchable; it’s more useful to have the full picture for each issue.

 

Thanks,
Radu

 

From: projec...@googlegroups.com <projec...@googlegroups.com> On Behalf Of ji li
Sent: Wednesday, 9 November 2022 12:14
To: ProjectChrono <projec...@googlegroups.com>
Subject: [chrono] Re: The height of the Sedan

 

Hello.

      I found the reason for this problem. excuse me. I will close this problem.

在2022年11月9日星期三 UTC+8 17:56:58<ji li> 写道：

Hello,

       When I use the FlatTerrain with 0 height on Sedan, The height of the Serdan keeps decreasing over time.  What is the reason?  The car of Sedan configuration is as follows:

       init_pose:   ChVector<> initLoc(0, 0, 0.2) ChQuaternion<> initRot(1, 0, 0, 0)

       step_size: 0.002 s

       tire_step_size: 0.01

       CollisionType chassis_collision_type = CollisionType::NONE

      TireModelType tire_model = TireModelType::TMEASY

      ChContactMethod contact_method = ChContactMethod::SMC

     Sedan::GetSystem()::SetSolverTolerance(0.01)

 

The result at time 0.002 (height 0.199961) and  0.178 (0.0428526)as follows

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