Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4663638 | Acta Mathematica Scientia | 2015 | 14 Pages |
Abstract
Compressible (full) potential flow is expressed as an equivalent first-order system of conservation laws for density and velocity v. Energy E is shown to be the only nontrivial entropy for that system in multiple space dimensions, and it is strictly convex in ρ,v if and only if |v|
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