On variational principles in Euler’s and Lagrange’s descriptionsстатья
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Дата последнего поиска статьи во внешних источниках: 8 апреля 2022 г.
Аннотация:The correspondence between the variational principles of the equations of continuum mechanics in Euler’s and Lagrange’s descriptions is considered. It is shown that the introduction of Lagrange’s variables can be considered as the construction of a differential covering by introducing the potential into the mass conservation law. A correspondence betweenthe variational principles of the l-normal equations of continuum mechanics in the Euler’s and Lagrange’s descriptions in terms of symplectic structures is proposed.