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Message #25413
Re: [Question #696598]: Deactivating NewtonIntegrator.gravity on just a group of particles in the model
Question #696598 on Yade changed:
https://answers.launchpad.net/yade/+question/696598
Bruno Chareyre proposed the following answer:
By order of performance I would say, probably:
1. add forces selectively
2. add counter-forces selectively
3. gravity engine #4 (it implies one more loop)
The difference between 1 and 2 is probably negligibly small, though.
Bruno
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