Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements

The impulse response functions (force-strain relations) for Euler–Bernoulli and Timoshenko beams are considered. The response of a beam to a transverse impact force, including reflection at the boundary, is obtained with the convolution approach using the impulse response function obtained by a Lapl...

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Main Authors: Hyungsoon Park, Youn-sik Park
Format: Article
Language:English
Published: Wiley 1994-01-01
Series:Shock and Vibration
Online Access:http://dx.doi.org/10.3233/SAV-1994-1306
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author Hyungsoon Park
Youn-sik Park
author_facet Hyungsoon Park
Youn-sik Park
author_sort Hyungsoon Park
collection DOAJ
description The impulse response functions (force-strain relations) for Euler–Bernoulli and Timoshenko beams are considered. The response of a beam to a transverse impact force, including reflection at the boundary, is obtained with the convolution approach using the impulse response function obtained by a Laplace transform and a numerical scheme. Using this relation, the impact force history is determined in the time domain and results are compared with those of Hertz's contact law. In the case of an arbitrary impact, the location of the impact force and the time history of the impact force can be found. In order to verify the proposed algorithm, measurements were taken using an impact hammer and a drop test of a steel ball. These results are compared with simulated ones.
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series Shock and Vibration
spelling doaj-art-5cf24780d96f4dd09e0cd59f548182fb2025-08-20T02:04:59ZengWileyShock and Vibration1070-96221875-92031994-01-011326727810.3233/SAV-1994-1306Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain MeasurementsHyungsoon Park0Youn-sik Park1Center for Noise and Vibration Control, Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon 305-701, KoreaCenter for Noise and Vibration Control, Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Science Town, Taejon 305-701, KoreaThe impulse response functions (force-strain relations) for Euler–Bernoulli and Timoshenko beams are considered. The response of a beam to a transverse impact force, including reflection at the boundary, is obtained with the convolution approach using the impulse response function obtained by a Laplace transform and a numerical scheme. Using this relation, the impact force history is determined in the time domain and results are compared with those of Hertz's contact law. In the case of an arbitrary impact, the location of the impact force and the time history of the impact force can be found. In order to verify the proposed algorithm, measurements were taken using an impact hammer and a drop test of a steel ball. These results are compared with simulated ones.http://dx.doi.org/10.3233/SAV-1994-1306
spellingShingle Hyungsoon Park
Youn-sik Park
Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
Shock and Vibration
title Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
title_full Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
title_fullStr Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
title_full_unstemmed Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
title_short Transient Response of an Impacted Beam and Indirect Impact Force Identification Using Strain Measurements
title_sort transient response of an impacted beam and indirect impact force identification using strain measurements
url http://dx.doi.org/10.3233/SAV-1994-1306
work_keys_str_mv AT hyungsoonpark transientresponseofanimpactedbeamandindirectimpactforceidentificationusingstrainmeasurements
AT younsikpark transientresponseofanimpactedbeamandindirectimpactforceidentificationusingstrainmeasurements