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[Question #272513]: Usage of O.forces.addF()

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From: ipemath <question272513@xxxxxxxxxxxxxxxxxxxxx>
Date: Fri, 16 Oct 2015 15:37:23 -0000
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New question #272513 on Yade:
https://answers.launchpad.net/yade/+question/272513

For my study of energy propagation on a granular bed, I need to apply an impulse. From the manual I found O.forces.addF() is the ideal choice of command as it will add the force for 1 time step. But surprisingly, I am not getting any reaction after applying the force. Hence I tried it on the simple bouncing ball problem with one moving sphere falling over another fixed sphere. Here I tried to initiate the movable sphere using the addF() command in the first iteration. But to my surprise, the sphere doesnt move. Why is this behaviour, why force doesnt get applied using addF. Please help

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