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by leephillips 1488 days ago
There is a clash of terminology: the Lagrangian formulation of fluid dynamics follows the path of fluid particles, in contrast to the Eulerian form, which observes the fluid passing by a fixed coordinate system. In general dissipative systems don’t have time-independent Lagrangians.
1 comments

yep, that sounds right to me. also I see you're the author of the Noether article from Ars Technica. I enjoyed the read.
I’m glad, thanks!
Good discussion, thanks!