Analytical Solution of the Rayleigh – Plesset Equation Filled with Van Der Waals Gas for Various Isoprocesses

Авторы: Gasanov M.V., Gulkanov A.G., Modestov K.A.
Журнал: Russian Journal of Nonlinear Dynamics
Год издания: 2024
Издательство: Автономная некоммерческая организация Ижевский институт компьютерных исследований
Местоположение издательства: Ижевск
Первая страница: 1
Последняя страница: 11
DOI: 10.20537/nd231202
Аннотация: In this paper, we consider a mathematical model of the dynamics of the behavior of a spherically symmetric Rayleigh – Plesset bubble in the van der Waals gas model. The analysis of the model takes into account various isoprocesses without the presence of condensation and a model that takes into account condensation in an isothermal process. In each case, various characteristics are searched for, such as oscillation frequency (linear/small oscillations), damping factor, relaxation time, decrement, and logarithmic decrement. Solutions are found in quadratures for various parameters of the equation. The theoretical results obtained are compared with the results of the numerical solution of the Cauchy problem for various isoprocesses.
Добавил в систему: Модестов Константин Анатольевич

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