Master character of the multidimensional homogeneous Euler equation is discussed. It is shown that under restrictions to the lower dimensions certain subclasses of its solutions provide us with the solutions of various hydrodynamic type equations. Integrable one dimensional systems in terms of Riemann invariants and its extensions,multidimensional equations describing isoenthalpic and polytropic motions and shallow water type equations are among them.
On universality of homogeneous Euler equation
Ortenzi, G
2021-01-01
Abstract
Master character of the multidimensional homogeneous Euler equation is discussed. It is shown that under restrictions to the lower dimensions certain subclasses of its solutions provide us with the solutions of various hydrodynamic type equations. Integrable one dimensional systems in terms of Riemann invariants and its extensions,multidimensional equations describing isoenthalpic and polytropic motions and shallow water type equations are among them.
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