5DNick Posted March 30, 2023 Share Posted March 30, 2023 Dear ODForcers, I have a question regarding increasing sub-steps to increase quality and accuracy of ANY dynamic sim [NB: this ALWAYS seems to be suggested by tutorials]. Obviously having less is helpful for iteration testing speed, however I find whenever I increase them I nearly always get dramatically different results, whether RBD, FLIP, PYRO, etc (or combos of these). Having had a bit of a think about this I was wondering what issues there are with cranking the sub-steps. I imagine 2 things may affect it: 1. Vector and Scalar quantities scaling differently (although maybe there's tricks in the solvers to get around this) (and surface stuff, 2D?) 2. [and I imagine this is the most important] Chaos Theory Anyway, trying to learn to be an FX TD from home and any advice and chat is MUCH appreciated. Thanks 5D Quote Link to comment Share on other sites More sharing options...
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