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Residual life estimation of structural beam using experimental and numerical modal analysis methods
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Title: Residual life estimation of structural beam using experimental and numerical modal analysis methods

Creator:

Ganda Anand Siva ; Shinigam Ramakrishna

Date:

2020

Type:

artykuł w czasopiśmie

Description:

A structural beam is a common element in many mechanical structures such as ship propeller shaft, crane boom, and air craft wings. In the present paper experimental and numerical modal analysis are carried out for estimating the damage detection, geometric location of the damage, severity of damage and residual life of structural beam to prevent unexpected failures of the mechanical structures. Experimental and numerical modal analysis results for healthy and cracked beam are compared for validation of numerical methodology used in the present paper. Experimental modal analysis is performed on both healthy and cracked beam with the help of impact hammer, acceleration sensor and FFT analyzer associated with EDM (Engineering Data Management) software. Modal tests are conducted using impact method on selected locations of the entire healthy and cracked beam to find the first three natural frequencies, which are used to detect the presence of damage and geometric location of the damage. Three parametric studies are carried out to know the effect of crack depth, crack location and crack orientation on the natural frequencies of the cracked beam. Finally, residual life of a healthy and cracked beam was estimated using Basiquin’s equation and finite element analysis software called ANSYS 18.1.

Place of publishing:

Koszalin

Publisher:

Publishing House of the Koszalin University of Technology

Format:

application/pdf

Identifier:

oai:dlibra.tu.koszalin.pl:1494

Language:

eng

Is part of:

Journal of Mechanical and Energy Engineering. Vol.4 (44), nr 2, s. 135-146

Rights:

Biblioteka Politechniki Koszalińskiej

Access rights:

internet

License:

Creative Commons BY 4.0

Exlibris

Subject and keywords:

structural beam residual life estimation FFT analyzer damage detection crack location natural frequencies

Object collections:

Last modified:

Nov 6, 2023

In our library since:

Jun 13, 2022

Number of object content hits:

34

All available object's versions:

https://dlibra.tu.koszalin.pl/publication/1498

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Edition name Date
Ganda Anand Siva, 2020, Residual life estimation of structural beam using experimental and numerical modal analysis methods Nov 6, 2023

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dlibra@tu.koszalin.pl

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