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| Titel: |
THE ANALYSIS OF FREE VIBRATION OF STIFFENED COOLING TOWERS |
| Auteur: |
Li, Long-Yung Croll, James G. A. |
| Verschenen in: |
Civil engineering & environmental systems |
| Paginering: | Jaargang 10 (1993) nr. 1 pagina's 1-17 |
| Jaar: |
1993-02-01 |
| Inhoud: |
The present paper studies the dynamic characteristics of hyperbolic cooling towers with various types of stiffening. Stiffeners in both the meridional and circumferential directions are assumed to be sufficiently close that analysis may be simplified to that of a shell with orthotropic material properties. Analysis is completed by means of finite element numerical methods. Numerical results for vibration frequencies and modes of the cooling towers with various stiffening types are given, and compared to those of an unstiffened tower and an equivalent weight smooth tower. For each case a systematic examination of the contribution to strain energy, arising from the various components of the stiffeners and the shell, allows insights into the physical significance of the various stiffener types and predictions of how they influence the frequency spectra of cooling towers. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 6 van 6 gevonden artikelen
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