A new approach to analysis of the properties of disordered structures in hydrodynamic acoustics as supplement to technology and detection theory

Автор: Starodubtsev Pavel A., Starodubtsev Evgeny P., Alifanov Roman N., Dorofeev Grigory V.

Журнал: Журнал Сибирского федерального университета. Серия: Техника и технологии @technologies-sfu

Статья в выпуске: 3 т.14, 2021 года.

Бесплатный доступ

He article presents the results of the analysis of the properties of disordered structures in hydrodynamic acoustics, associated with the process of detecting physical phenomena and marine objects based on the results of their mechanical impact on the marine environment, in which acoustic vibrations propagate. If vortices, attractors, fractals arise as a result of complex interactions of forces of nature (upwellings, seiches, Coriolis forces, currents, convection flows, rotation of the Earth) and are essentially mechanical effects on the environment of formation and propagation of an acoustic field, then mechanical sources of sound introduced into the hydrosphere (water) should repeat fractal iterations on a smaller scale at the sound field level. Recognizing the equations of hydrodynamics (the equation of motion, the equation of continuity, and the equation of state) as the fundamental equations of hydroacoustics, the nonlinearity of these equations is proposed to be considered the theory of the hydroacoustic field as nonlinear, and the linearity of the processes in this study is considered a special case. The principle of superposition also becomes a special case, and the Fourier transform, remaining necessary, loses its sufficiency. Fractal analysis in combination with wavelet analysis should be involved to help him.

Еще

Hydrodynamic acoustics, attractor, mathematical concept of a fractal, detection theory, disordered structures

Короткий адрес: https://sciup.org/146281798

IDR: 146281798   |   DOI: 10.17516/1999-494X-0310

Статья научная