Modal analysis of cracked cantilever beam using ANSYS software

Ahiwale, Dhiraj D.; Madake, Harshada; Phadtare, Nikita; Jarande, Amit; Jambhale, Deepak

doi:10.1016/j.matpr.2022.01.055

Cited by 7 publications

(4 citation statements)

References 5 publications

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“…The chart reveals that the natural frequency of the cover plate is relatively high, with the lowest frequency being 4179 Hz. From the 1st to the 18th mode, there's an upward trend in the natural frequencies [18][19][20][21].…”

Section: Modal Analysis Of the Cover Platementioning

confidence: 99%

Static and Modal Analysis of the Wheel-side Reducer Cover Plate Based on ANSYS

Yan

2024

Manufacturing Technology

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Section: Modal Analysis Of the Cover Platementioning

confidence: 99%

Static and Modal Analysis of the Wheel-side Reducer Cover Plate Based on ANSYS

Yan

2024

Manufacturing Technology

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“…Modal analysis can obtain the natural frequency [9] and mode shape [10] of the cast steel parts, which is convenient for the setting of the vibration exciter. In this paper, the finite element software ANSYS is selected for simulation and calculation.…”

Section: Finite Element Simulation Of Modal Analysismentioning

confidence: 99%

Effect of excitation vibration on mechanical property and stress corrosion resistance of cast steel

Shao,

Wang,

et al. 2023

J. vibroeng.

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Cast steel parts can realize rapid prototyping effectively, which is suitable for complex structural design. However, due to the large residual stress, the problem of mechanical property degradation is more obvious. In order to solve this problem, a high temperature excitation vibration treatment scheme is proposed in this paper. By applying different excitation frequencies and impact forces, the effects of mechanical properties and stress corrosion properties are studied and verified. Based on the finite element software ANSYS, the modal shape and resonant frequency of the cast steel parts are obtained, and verified by the sweep frequency module in the excitation vibration system. According to the characteristics of modal shape, five typical detection paths are set, and stress sensors are arranged every 200 mm. In order to obtain the specific effects of excitation frequency and impact force amplitude on mechanical properties, nine parts samples were prepared on the same production line according to the matching requirements of test parameters. In addition, the main external parameters that remain unchanged during vibration excitation are set as initial 750 ℃ and vibration excitation time of 60 s, which can fully affect the effect of austenite transformation. Keeping the synchronization of test parameters in different samples, the distribution rules of residual stress under different excitation frequencies and forces are obtained and analyzed. In the aspect of mechanical properties, the microstructure, hardness, yield strength and tensile strength of the specimens subjected to vibration were compared and analyzed. In the aspect of stress corrosion performance research, stress corrosion cracking test was carried out in weak acid environment to obtain the tensile stress curve and fracture morphology of the specimen. The results show that the excitation vibration at high temperature can effectively eliminate the residual stress of cast steel parts, but the increase of excitation frequency does not correspond to the effect of residual stress elimination. When the exciting force exceeds a certain value, the stress relief effect cannot be further improved. Excitation vibration can reduce the internal hardness of cast steel parts to a certain extent, and improve the yield strength and tensile strength. At the same time, it has a positive role in promoting the improvement of stress corrosion resistance.

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“…Natural frequency changes slightly as the crack shifts from fixed to the free end of the cantilever beam. Mode shapes of a cracked cantilever beam depend on the depth and position of the crack [8]. A cantilever roof is generally more vulnerable to the wind because high suction loads act on the rooftop due to flow separation.…”

Section: IImentioning

confidence: 99%

Diagrid Mono Column Structures with Different Geometry in Plan: A Review

Johnson¹,

Raj²

2022

IJRASET

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Due to increasing urbanization and rapid infrastructural development, scarcity of land is a problem. Multi-story structures have been constructed to eliminate this problem. But for the requirement of large service spaces and good aesthetic appearances, the mono column structural system achieved popularity. Mono column structures are complicated since the mono column supports the whole structure and all other member acts as cantilevers. Mono column structures are vulnerable to seismic loads and adding a diagrid structural system on the periphery of the building improves seismic performances. This review paper aims to review the previous studies on mono column structure and diagrid structural system. It also focuses to review the performance of different plan geometry buildings.

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Modal analysis of cracked cantilever beam using ANSYS software

Cited by 7 publications

References 5 publications

Static and Modal Analysis of the Wheel-side Reducer Cover Plate Based on ANSYS

Static and Modal Analysis of the Wheel-side Reducer Cover Plate Based on ANSYS

Effect of excitation vibration on mechanical property and stress corrosion resistance of cast steel

Diagrid Mono Column Structures with Different Geometry in Plan: A Review

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