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Damage Identification for Underground Structure Based on Frequency Response Function [PDF]

open access: yesSensors, 2018
Damage identification that is based on modal analysis is widely used in traditional structural damage identification. However, modal analysis is difficult in high damping structures and modal concentrated structures.
Shengnan Wang   +3 more
doaj   +3 more sources

An Optimal Sensor Layout Using the Frequency Response Function Data within a Wide Range of Frequencies [PDF]

open access: yesSensors, 2022
This study presents iterative optimal sensor placement (OSP) techniques using the modal assurance criterion (MAC) and the effective independence (EI) algorithm.
Eun-Taik Lee, Hee-Chang Eun
doaj   +2 more sources

Real-Frequency Response Functions at Finite Temperature [PDF]

open access: yesPhysical Review Letters, 2021
Building on previous developments, we show that the Diagrammatic Monte Carlo technique allows to compute finite temperature response functions directly on the real-frequency axis within any field-theoretical formulation of the interacting fermion problem.
I. S. Tupitsyn   +3 more
openaire   +3 more sources

Literature Review of Electromagnetic Actuator Force Generation for Dynamic Modal Testing Applications [PDF]

open access: yesJournal of Mechanical Engineering and Sciences, 2012
Milling is one of the most common manufacturing processes for automotive components, but its productivity is limited by the onset of regenerative chatter.
Norlida Jamil   +2 more
doaj   +2 more sources

Methodologies for modeling and identification of breathing crack: A review

open access: yesMethodsX, 2023
Swift development of technology for monitoring complex structures demands major attention on the precision of damage detection methods. The early detection of any type of deterioration or degradation of structures is of paramount importance to avoid ...
Sayandip Ganguly
doaj   +1 more source

Crack Detection of Timoshenko Beam Using Frequency and Frequency Response Function [PDF]

open access: yesمجله مدل سازی در مهندسی, 2018
This paper presents a novel approach to detect and estimate cracks in Timoshenko Beams using frequencies and frequency response functions and extreme learning machine.
Siamak Ghadimi, Seyed Sina Kourehli
doaj   +1 more source

Influence of frequency resolution in case of frequency response function measurement in structural dynamics

open access: yesActa Technica Jaurinensis, 2021
Frequency resolution is an essential parameter in acoustical testing, even if we are using numerical or experimental method, for example when determining frequency response function (FRF) of a dynamic mechanical system, or executing modal analysis based ...
Zoltán Gazdagh, Balázs Vehovszky
doaj   +1 more source

Road Roughness Estimation Based on the Vehicle Frequency Response Function

open access: yesActuators, 2021
Road roughness is an important factor in road network maintenance and ride quality. This paper proposes a road-roughness estimation method using the frequency response function (FRF) of a vehicle.
Qingxia Zhang   +4 more
doaj   +1 more source

Theoretical and experimental analysis of the exact receptance function of a clamped-clamped beam with concentrated masses

open access: yesVietnam Journal of Mechanics, 2020
This paper establishes the exact receptance function of a clamped-clamped beam carrying concentrated masses. The derivation of exact receptance and the numerical simulations are provided. The proposed receptance function can be used as a convenient tool
Nguyen Viet Khoa, Dao Thi Bich Thao
doaj   +1 more source

An Examination of the Vibrational Characteristics of a Diesel Engine Connecting Rod Using Modal Analysis

open access: yesInternational Journal of Automotive Science and Technology, 2022
In this study, a connecting rod that belongs to a diesel test engine is examined with an experimental method and the Finite Element Method (FEM). The purpose of the experimental method is to obtain the Frequency Response Function.
Bahri Şamil Korkmaz   +1 more
doaj   +1 more source

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