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Using markers for formulas in Motion

Question asked by Kevin Silbert on Mar 6, 2008
Latest reply on Mar 10, 2008 by Kevin Silbert
We're trying to simulate ropes in COSMOS Motion with Action/Reaction forces based on the distance between points. We used to do this with an Action/Reaction force equation like

IF((DM(38,37)-200):0,0,-10000*((DM(38,37)-200)**1.5+STEP(DM(38,37),200,50,200.1,0)*VR(38,37)))

But I can't for the life of me remember how to set up the markers that are referred to in this example- points 37 and 38...? Thanks in advance!

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