Friction in the material properties

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yusuke
Posts: 3
Joined: 18 Nov 2018, 12:59

Friction in the material properties

Post by yusuke » 20 Nov 2018, 12:10

Hi,

I got a problem with friction, so I have read the webpage regarding the simulation friction.
But I could not understand what the "friction" in the material properties means, even if I read the explanation in the official site.
Please tell me what it means and how it is calculated. Also, I want to know whether is there a way to compare it with the real coefficient of friction.
I don't have any experiences of simulation.
So, it might be a simple question to everyone, but I would be happy if you could answer.

Thanks.

Regards,
Yusuke

fferri
Posts: 422
Joined: 09 Sep 2013, 19:28

Re: Friction in the material properties

Post by fferri » 20 Nov 2018, 15:45

How friction is approximated in the ODE engine is explained at https://ode.org/ode-latest-userguide.html#sec_3_11_1

yusuke
Posts: 3
Joined: 18 Nov 2018, 12:59

Re: Friction in the material properties

Post by yusuke » 21 Nov 2018, 02:36

Hi fferri

Thank you for your reply.
I have read that page. But I couldn't know which approximation VREP uses.
Do you know about it?

Yusuke

coppelia
Site Admin
Posts: 7441
Joined: 14 Dec 2012, 00:25

Re: Friction in the material properties

Post by coppelia » 23 Nov 2018, 07:15

V-REP uses one of 4 different physics engine: Bullet, ODE, Vortex or Newton. V-REP itself doesn't do any physics calculation.
So the friction model will depend on the engine you are using. E.g. if you are using the engine X, then check with google what friction model engine X is using.

Cheers

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