Crack detection

The aims of this study are to develop and apply the method of using frequency response functions to diagnose cracks in elastic bar and beams structure. The contents of the study includes: building models of cracked elastic bar and 3 beams structure; studying the changes of oscillation parameters, mainly frequency response functions due to cracks.

27p larachdumlanat129 20-01-2021 24 6   Download

In this paper, efforts are made to develop suitable methods that can serve as the basis to detect crack location and to crack size from measured axial vibration data. This method is used to address the inverse problem of assessing the crack location and crack size in various beam structure.

8p tohitohi 19-05-2020 14 0   Download

The aim of this thesis is to study crack-induced change in natural frequencies and to develop a procedure for detecting cracks in stepped beams by measurement of natural frequencies.

27p xacxuoc4321 11-07-2019 33 3   Download

The objective of the thesis: Study the effect of cracks on the dynamic characteristics of the structure, study the applicability of the time-frequency signal processing method in detecting cracks. Application and development the processing time-frequency oscillation signals methods for cracks detection.

37p xacxuoc4321 09-07-2019 47 6   Download