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Метод скаляризации в задачах распространения поверхностных упругих волн во вращающемся трансверсально-изотропном полупространстве

Метод скаляризации в задачах распространения поверхностных упругих волн во вращающемся трансверсально-изотропном полупространстве

Abstract

Целями работы являются обобщение метода скаляризации динамических упругих полей в трансверсально-изотропных средах на задачи для сред, вращающихся с постоянной угловой скоростью, а также разработка научно-методического аппарата для описания влияния вращения на параметры поверхностных акустических волн. На основе указанного метода предложен научно-методический аппарат для конструирования новых гироскопов на акустических волнах. Получены и обоснованы соотношения для расчета параметров поверхностных акустических волн (ПАВ), распространяющихся на границе вращающегося полупространства из трансверсально-изотропного материала с произвольно расположенной осью материальной симметрии. Приведен пример численного моделирования для случая изотропного вращающегося полупространства. Предлагаемый научно-методический аппарат и примеры численного моделирования могут быть использованы для разработки новых видов гироскопов на акустических волнах для систем навигации, ориентации и управления различными подвижными объектами в авиации, робототехнике и т.п.

The work objectives are to generalize the scalarization method of dynamic elastic fields in the transversely isotropic media to the tasks for the environments rotating with a constant angular velocity, and to develop the methodological apparatus for describing the effect of rotation on the parameters of surface acoustic waves. On the basis of this method, the scientific-methodical device for the construction of new acoustic-wave gyroscopes is proposed. Parameter determination ratios for surface-acoustic waves (SAW) propagating on the boundary of the rotating half-space of the transversely isotropic material with arbitrarily spaced axis of material symmetry are obtained and validated. An example of the numerical simulation for the isotropic rotating half-space case is given. The proposed methodological apparatus and numerical simulation examples can be used to develop new types of gyroscopes on acoustic-wave systems for navigation, guidance and control of various mobile objects in aviation, robotics, etc

Keywords

МЕТОД СКАЛЯРИЗАЦИИ,SCALARIZATION METHOD,ТРАНСВЕРСАЛЬНО-ИЗОТРОПНАЯ СРЕДА,TRANSVERSELY ISOTROPIC MEDIUM,АКУСТИЧЕСКИЕ ВОЛНЫ,ACOUSTIC WAVES,ПОВЕРХНОСТНЫЕ АКУСТИЧЕСКИЕ ВОЛНЫ,SURFACE ACOUSTIC WAVESJ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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