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Sinusoidal contact in Mechanism

gpommeranz
10-Marble

Sinusoidal contact in Mechanism

I have a sinusoidal mechanism I am trying to simulate.  I can get the kinematics to work fine by using two mechanism constraints: the first being a cylinder connection which controls the axis and angle of my assembly.  Then I projected a circular sketch onto the sinusoidal surface and used a slot constraint where a point follows the projected curve.  A spring keeps these two surfaces in contact.  In the video I can have the structure swing back and force indefinitely due to the force of the spring.  There is no friction in the system yet.  I would like to have the two surfaces generate friction to eventually damp the system to 0.  Is this possible?  I haven't had any luck with either cam or 3D contacts.  

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