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Why are injecton simulation results different for similar parts?

Question asked by Sylwia Kierpiec on Mar 17, 2016


I made an injection simulation in SW Plastics and I got strange results shown on the screenshots. It's clearly visible, that there are no shear stresses in 3 parts and velocity vectors at end of fill are pointing in random directions, but the parts are filling anyway.  Can it be some inaccurate model of runners? results.png