URDF support

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Utkarsh

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Feb 6, 2023, 3:30:11 PM2/6/23
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How can I import an assembly to use it with Chrono? Does it support URDF files format?
Does Chrono use floating frame of reference for its flexible body dynamics?









Luning Fang

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Feb 15, 2023, 7:21:25 PM2/15/23
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Chrono does not support URDF format yet. Chrono uses absolute coordinates instead of relative one. However, Chrono has robot models that were built from link and joint data, see RoboSimian.cpp as an example.

Thank you,
Luning

Radu Serban

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Feb 21, 2023, 8:16:18 AM2/21/23
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As Luning mentioned, there is currently no support for reading a model specified through a URDF file. Not because Chrono uses an absolute coordinate formulation, as that is irrelevant here. Having said that, I intend to add this capability in the near future.

 

As for your question regarding flexible body dynamics, FFRF is not one of the formulations implemented in Chrono. We support ANCF and co-rotational.

 

--Radu

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