Longitudinal vibrations of a cylindrical bar from the action of harmonic forces

Abduvaliev, A.; Abdulkhayzoda, A.

doi:10.1051/e3sconf/202126404091

Cited by 3 publications

(3 citation statements)

References 12 publications

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“…In [2], the longitudinal oscillation of an underground structure from the action of harmonic forces applied along the longitudinal axis of the structure is considered. Dynamic equations are presented, and a formula for determining the displacement amplitude of a cylindrical underground structure is obtained.…”

Section: Methodsmentioning

confidence: 99%

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Damping of longitudinal vibrations of a cylindrical rod

Abduvaliev

Abdulkhayzoda

2023

E3S Web of Conf.

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Oscillation of an underground cylindrical rod located in an infinite medium and equipped with a dynamic vibration damper is considered. The vibrations of the structure occur from the action of harmonic forces located along the longitudinal axis of the bar. The possibility of decreasing the vibration amplitude using a two-mass absorber with a series connection of masses is considered. The parameters of the absorbers were optimized for different values of the environmental parameters. It was found that with a fairly high operating efficiency of the main damper for damping the first vibration mode, an additional damper can be used to reduce the amplitude of the second resonance. In this case, both dampers operate on separate vibration modes. Using a two-mass absorber can significantly reduce the formation of an underground structure. In this case, the expansion of the quenching zone was achieved in comparison with a single-mass quencher.

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Section: Methodsmentioning

confidence: 99%

“…Variables changing in the value of the magnitude-frequency characteristic of buildings to alter environmental parameters when exposed to a low frequency. Longitudinal vibrations of a cylindrical rod in an elastic medium from the action of axial harmonic forces in a state of compression-tension were studied in [2].…”

Section: Introductionmentioning

confidence: 99%

Damping of longitudinal vibrations of a cylindrical rod

Abduvaliev

Abdulkhayzoda

2023

E3S Web of Conf.

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“…The damping of vibrations of an underground cylindrical structure using a multi-mass dynamic vibration damper was considered [4], and the effectiveness of this approach was proved. The longitudinal vibrations of an infinite cylindrical rod from the action of harmonic forces are considered in [5], and the possibility of damping the longitudinal vibrations of a cylindrical rod from constantly acting harmonic forces with a stable frequency of action is studied in [6].…”

Section: Introductionmentioning

confidence: 99%

Transverse vibrations of underground pipeline with pinched ends

Abduvaliev,

Abdulkhayzoda

2023

E3S Web of Conf.

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The study of transverse oscillations of extended underground structures from the action of constant harmonic forces is of practical interest. Transverse vibrations of an underground cylindrical structure of finite length under the action of a system of concentrated forces that change according to a harmonic law are considered. The environment surrounding the structure is assumed to be elastic, while the interaction of the “environment-structure” system is studied. When considering the problem, the Fourier method and the results of solving the problem of vibrations of an unbounded cylindrical structure in an elastic medium from the action of concentrated harmonic forces were used. The problem of transverse vibrations of a cylindrical rod of finite length interacting with an elastic homogeneous medium is solved by the method of compensating loads. In this case, the structure is considered a source of waves radiated into space and satisfying the conditions of radiation to infinity. The resulting solution is approximate and reliable within the length of the rod. The analysis of the influence of soil conditions and geometric dimensions on the amplitude of oscillations of an underground structure was carried out according to the graphs of the amplitude-frequency characteristic of the object.

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Damping of longitudinal vibrations of a cylindrical rod single-mass damper

Abduvaliev

Abdulkhayzoda

2023

The Third International Scientific Conference Construction Mechanics, Hydraulics and Water Resources Engineering (Conmechydro 2

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Longitudinal vibrations of a cylindrical bar from the action of harmonic forces

Cited by 3 publications

References 12 publications

Damping of longitudinal vibrations of a cylindrical rod

Damping of longitudinal vibrations of a cylindrical rod

Transverse vibrations of underground pipeline with pinched ends

Damping of longitudinal vibrations of a cylindrical rod single-mass damper

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