amin.khormaei Posted September 23, 2020 Share Posted September 23, 2020 what are exactly the pre-solve and post-solve input of popsolver ? there isn't any explanation about these input in the documentation? Quote Link to comment Share on other sites More sharing options...
Jesper Rahlff Posted September 24, 2020 Share Posted September 24, 2020 pre solve means before the timestep has been solved. Post solve means after the timestep has been solved. In a very simple term you can think of it like this: Before the point has moved, after the point has moved for the given timestep 2 Quote Link to comment Share on other sites More sharing options...
ikoon Posted September 24, 2020 Share Posted September 24, 2020 Amin, you can also dive inside and see, what exactly happens before pre-solve, after post-solve, and between them. I have attached a picture. For example, you can see, when the @pprevious attribute gets written, it is in between the Pre-Solve and Post-Solve inputs (in the node named "stash_current_pos"). So, if a new particle is sourced in the current timestep (usually in the post-solve input), its "has_pprevious" attribute is 0. 2 Quote Link to comment Share on other sites More sharing options...
amin.khormaei Posted September 24, 2020 Author Share Posted September 24, 2020 Thank you guys Quote Link to comment Share on other sites More sharing options...
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