Why is the default contact ERP so small?

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lamilana
Posts: 2
Joined: Mon Sep 30, 2019 9:47 am

Why is the default contact ERP so small?

Post by lamilana » Fri Oct 11, 2019 11:54 am

Based on this line in bullet3/pybullet.c, I assume that the default contact ERP in Bullet is 0.005, at least when using PyBullet.

In comparison, ODE uses a default ERP of 0.2 (ODE user manual), although I am not sure if that is the general default ERP or only the default ERP for joints.

Why is Bullet's ERP 40 times smaller than ODE's?

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