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[William Chèvremont <question667236@xxxxxxxxxxxxxxxxxxxxx>]

Question #667236 on Yade changed:
https://answers.launchpad.net/yade/+question/667236

    Status: Open => Answered

William Chèvremont proposed the following answer:
Hi Nicolas,

What you are looking about is lubricated contact law. It's still under
development but you can already use it.

Here is an example of collider/interaction loop:

InsertionSortCollider([Bo1_Sphere_Aabb(aabbEnlargeFactor=1.5, label="aabb")],verletDist=-0.1,allowBiggerThanPeriod=False),
InteractionLoop(
        [Ig2_Sphere_Sphere_ScGeom6D(interactionDetectionFactor=1.5,label="Ig2")],
        [Ip2_ElastMat_ElastMat_LubricationPhys(eta=m_viscosity,eps=m_roughness)],
        [Law2_ScGeom_ImplicitLubricationPhys(activateNormalLubrication=True,
                                                                activateTangencialLubrication=True,
                                                                activateTwistLubrication=False,
                                                                activateRollLubrication=False,
                                                                debug=False)]
    ),

For instance, the lubrication force is not calculated further than one
particle radius. So, having a factor of more than 2 is useless.

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