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Results tagged with fluid-dynamics
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user 102928
The quantitative study of how fluids (gases and liquids) move.
0
votes
Newtonian limit of a perfect fluid
Without answers for more than 3 weeks, I'll propose one. I'll only accept it if it is validated by the community by some upvotes.
$T^{tt}$ is the spatial density of energy, so the energy in a small v …
- 235
4
votes
2
answers
1k
views
Newtonian limit of a perfect fluid
In special relativity, with metric tensor $\eta_{\mu\nu}=\text{diag}(-c^2,1,1,1)$, take a perfect fluid stress-energy tensor : $T^{\mu\nu} = \left( \rho + \frac{p}{c^2} \right) \, U^\mu\otimes U^\nu + …
- 235