КФУ. Карточка публикации. Theoretical-experimental method for determining the parameters of damping based on the study of damped flexural vibrations of test specimens 3. Identification of the characteristics of internal damping

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THEORETICAL-EXPERIMENTAL METHOD FOR DETERMINING THE PARAMETERS OF DAMPING BASED ON THE STUDY OF DAMPED FLEXURAL VIBRATIONS OF TEST SPECIMENS 3. IDENTIFICATION OF THE CHARACTERISTICS OF INTERNAL DAMPING

Форма представления

Статьи в зарубежных журналах и сборниках

Год публикации

2014

Авторы, сотрудники КФУ

Егоров Андрей Геннадьевич, автор

Другие авторы

Paimushin V. N; Firsov V. A.; Gyunal I.; Kayumov R. A.

Библиографическое описание на языке оригинала

Paimushin V. N., Firsov V. A., Gyunal I., Egorov A. G., Kayumov R. A. Theoretical-experimental method for determining the parameters of damping based on the study of damped flexural vibrations of test specimens 3. Identification of the characteristics of internal damping // Mechanics of Composite Materials. 2014. V. 50, No 5. P. 633-646]

Аннотация

The logarithmic decrement of damped vibrations of materials is determined using a theoretical-experimental method. The method is based on measuring the deflection amplitudes of flat cantilever test specimens during their damped vibrations according to the first resonance mode, on the description of internal viscous friction of materials by known models both in linear and nonlinear approximations, on theoretical determination of the aerodynamic constituent of damping, and on a theoretical investigation of damping vibrations of test specimens by employing equations of motion constructed with a corresponding degree of accuracy and pithiness. To determine the vibration decrement of a soft material in tension-compression, sandwich test specimens with a steel core and external layers made of the soft material were used, but in transverse shear ? with a core made of the soft material and steel external layers. A considerable effect of external aerodynamic forces on the vibration decrement

Ключевые слова

flexural vibrations of plates, experimental investigation, theoretical-experimental method, internal damping, aerodynamic damping, identification of the parameters of internal damping

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Полная запись метаданных

Поле DC	Значение	Язык
dc.contributor.author	Егоров Андрей Геннадьевич	ru_RU
dc.date.accessioned	2014-01-01T00:00:00Z	ru_RU
dc.date.available	2014-01-01T00:00:00Z	ru_RU
dc.date.issued	2014	ru_RU
dc.identifier.citation	Paimushin V. N., Firsov V. A., Gyunal I., Egorov A. G., Kayumov R. A. Theoretical-experimental method for determining the parameters of damping based on the study of damped flexural vibrations of test specimens 3. Identification of the characteristics of internal damping // Mechanics of Composite Materials. 2014. V. 50, No 5. P. 633-646]	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/?p_id=96796	ru_RU
dc.description.abstract	The logarithmic decrement of damped vibrations of materials is determined using a theoretical-experimental method. The method is based on measuring the deflection amplitudes of flat cantilever test specimens during their damped vibrations according to the first resonance mode, on the description of internal viscous friction of materials by known models both in linear and nonlinear approximations, on theoretical determination of the aerodynamic constituent of damping, and on a theoretical investigation of damping vibrations of test specimens by employing equations of motion constructed with a corresponding degree of accuracy and pithiness. To determine the vibration decrement of a soft material in tension-compression, sandwich test specimens with a steel core and external layers made of the soft material were used, but in transverse shear ? with a core made of the soft material and steel external layers. A considerable effect of external aerodynamic forces on the vibration decrement	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	flexural vibrations of plates	ru_RU
dc.subject	experimental investigation	ru_RU
dc.subject	theoretical-experimental method	ru_RU
dc.subject	internal damping	ru_RU
dc.subject	aerodynamic damping	ru_RU
dc.subject	identification of the parameters of internal damping	ru_RU
dc.title	Theoretical-experimental method for determining the parameters of damping based on the study of damped flexural vibrations of test specimens 3. Identification of the characteristics of internal damping	ru_RU
dc.type	Статьи в зарубежных журналах и сборниках	ru_RU