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| Reference : The concept of numerical admittance |
| Scientific journals : Article | |||
| Engineering, computing & technology : Civil engineering | |||
| http://hdl.handle.net/2268/130559 | |||
| The concept of numerical admittance | |
| English | |
Denoël, Vincent  [Université de Liège - ULg > Département ArGEnCo > Analyse sous actions aléatoires en génie civil >] | |
| Maquoi, René [Université de Liège - ULg > Département ArGEnCo > Département ArGEnCo >] | |
| 2012 | |
| Archive of Applied Mechanics | |
| 1-18 | |
| 0939-1533 | |
| [en] discretized pressure field ; coherence ; correlation length scale | |
| [en] The reconstruction of a discretized random distributed loading, as the wind pressure from
some measurement taps, is usually performed by simple or advanced interpolation between the nodes of the mesh. This results in an overestimation of the coherence of the loading, especially in the high frequency range where the loading typically shows less coherence. An expensive way to circumvent this issue is to make the mesh denser. This is however not always possible, in particular in experimental testing where there is usually a limited number of available measurement spots. The concept of numerical admittance is introduced in order to rectify this inaccurate estimation of the resulting loading in the high-frequency range. It is actually introduced as a legitimate way of reducing the loading in accordance with the looseness of the discretisation mesh. Another major advantage of the concept is the opportunity to determine adequately the mesh size independently from the correlation length scale. | |
| Researchers ; Professionals ; Students | |
| http://hdl.handle.net/2268/130559 | |
| http://www.scopus.com/inward/record.url?eid=2-s2.0-84862750199&partnerID=40&md5=a8f5dd74cb71f9f06f415fb9d463c2af |
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