Study of wave propagation in a multiwire cable to determine structural damage
Multiwire cables are widely used in engineering structures, even though there is a growing concern about the presence of environmental degradation, random overloads, and corrosion affecting their structural integrity. In this work, propagation of guided waves in a multiwire aluminium conductor steel...
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| Veröffentlicht in: | NDT & E international : independent nondestructive testing and evaluation 2010-11, Vol.43 (8), p.726-732 |
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| container_title | NDT & E international : independent nondestructive testing and evaluation |
| container_volume | 43 |
| creator | Baltazar, Arturo Hernandez-Salazar, Cesar D. Manzanares-Martinez, Betsabe |
| description | Multiwire cables are widely used in engineering structures, even though there is a growing concern about the presence of environmental degradation, random overloads, and corrosion affecting their structural integrity. In this work, propagation of guided waves in a multiwire aluminium conductor steel reinforced cable (ACSR) for structural damage detection is studied using time–frequency analysis based on short time Fourier transform (STFT). Identification of propagation vibrational modes and measurements of mode energy amplitude are used to correlate the spectral energy change to the extension of an artificial damage introduced to the cable sample by a notch transversal to the pulse propagation. The results showed that mechanical contact among the wires generates mode conversion of longitudinal to flexural modes. |
| doi_str_mv | 10.1016/j.ndteint.2010.08.007 |
| format | Article |
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| identifier | ISSN: 0963-8695 |
| ispartof | NDT & E international : independent nondestructive testing and evaluation, 2010-11, Vol.43 (8), p.726-732 |
| issn | 0963-8695 1879-1174 |
| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Aluminum Cables Conductors (devices) Contact Cross-disciplinary physics: materials science rheology Energy use Exact sciences and technology Fundamental areas of phenomenology (including applications) Guided waves Materials science Materials testing Measurement and testing methods Multiwire cable Physics Pulse propagation Solid mechanics Structural and continuum mechanics Structural damage Ultrasound Wave propagation |
| title | Study of wave propagation in a multiwire cable to determine structural damage |
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