Damped vibration analysis of cracked Timoshenko beams with restrained end conditions

Pala, Yaşar; Beyçimen, Semih; Kahya, Çağlar

doi:10.1007/s40430-020-02558-1

Cited by 9 publications

(2 citation statements)

References 26 publications

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“…The response of damaged structure under concentrated mass has been obtained and the numerical results have been validated with experimental tests. Pala et al [23] investigated vibration of a damaged Timoshenko beam with different end states considering the effect of the damping. The frequencies of cracked structures have been calculated as per damage severity and position.…”

Section: Introductionmentioning

confidence: 99%

Experimental and computational study on dynamic analysis of cracked simply supported structures under moving mass

Jena¹,

Bulut

Kurt

2022

Frattura Ed Integrità Strutturale

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In this study, the influences of crack parameters like crack location from the left end, crack height, number of cracks and the magnitude of mass and the velocity of the transit load on the vertical displacements of the cracked simply supported beams subjected to transit mass are investigated. The transverse open cracks with numerous damage scenerios are considered for the mathematical modelling of the system. The governing equations of motion for the system have been obtained and the equations have been solved by the help of Duhamel integral technique. The theoretical formulation has been exemplified with numerical studies. By utilizing ANSYS Workbench 2020, transient structural analysis has been carried out. The mode shapes and the frequency ratios of damaged simply supported beam have also been determined. To validate the numerical and FEM models, the experiments with damaged beams have been carried out in the laboratory. It has been proven that the results of the theoretical and FEM models are well convergent with the experimental data. The results gathered from the numerical analysis, FEA as well as experimental study have been presented with comparative graphs and tables. The outcomes of the examinations have been interpreted in the conclusions part. It has been observed that subject parameters are of considerable significance on the time dependent response of the cracked beams.

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Section: Introductionmentioning

confidence: 99%

Experimental and computational study on dynamic analysis of cracked simply supported structures under moving mass

Jena¹,

Bulut

Kurt

2022

Frattura Ed Integrità Strutturale

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“…Moreover, the scholarly contributions made by Demirtaş and Ozturk (2021) shed light on the impact of crack placement on the dynamic behaviour of multi-storey frames, hence providing significant insights into the structural soundness when subjected to dynamic loads. The investigation conducted by Pala et al (2020) on the analysis of damped vibrations in Timoshenko beams with cracks contributes to our comprehension of the dynamic characteristics exhibited by beams with perforations.…”

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confidence: 99%

Vibration Analysis of a Perforated Beam Subjected to Quarter Car-Suspension System Dynamics

2023

Proceeding Book of 2nd International Conference on Frontiers in Academic Research ICFAR 2023

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The present study investigates the vibration analysis of a perforated beam within the framework of dynamics of a quarter car-suspension system. Perforated beams are commonly utilized in engineering applications due to their capacity to provide similar strength characteristics while exhibiting lower bulk and cost in comparison to fully solid beams. The focus of the inquiry revolves around the dynamic interplay between an Euler-Bernoulli beam, which is represented using easily supported boundary conditions, and a moving car. The distinctive attributes of the perforated beam are identified, and the equation of motion for the system is derived using the Lagrangian approach, employing energy equations. The differential equations that describe the equation of motion are then converted into the state-space representation. These equations are later solved in the time domain using the fourth-order Runge-Kutta method, which provides high accuracy. This study specifically examines the effects of parameters, such as the number of holes and the filling ratio within the cross-sectional area of the perforated beam, on both the dynamic oscillation and the dynamics of the perforated beam. This analysis provides useful insights into the complex dynamics of perforated beams under quarter car suspension systems, elucidating the impact of different factors on the system's overall behavior. The present study enhances the comprehension of the use of perforated beams in engineering and provides a basis for enhancing their design with regard to structural efficiency and cost-effectiveness.

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Crack’s Influence on the Vibration Control Ability of Mass Concrete Layer

Jian,

Xiangdong,

Yuchuan

et al. 2024

Advances in Civil Engineering Materials

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Damped vibration analysis of cracked Timoshenko beams with restrained end conditions

Cited by 9 publications

References 26 publications

Experimental and computational study on dynamic analysis of cracked simply supported structures under moving mass

Experimental and computational study on dynamic analysis of cracked simply supported structures under moving mass

Vibration Analysis of a Perforated Beam Subjected to Quarter Car-Suspension System Dynamics

Crack’s Influence on the Vibration Control Ability of Mass Concrete Layer

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