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Nonlinear dynamic analysis of cooling towers under stochastic wind loading

Bartoli, G. / Borri, C. / Zahlten, W.

Abstract A numerical model for simulating the nonlinear dynamic response of natural draught cooling towers to wind loading is introduced. Geometrical and physical nonlinearities are considered in the F.E. modeling of the doubly-curved thin shell structure. An original simulation procedure of the artificial wind loading is used, generating directly the multi-correlated field of the (stochastic) time series of the external pressures. The effective correlation structure of the fluctuating pressure is imposed from the experimental data obtained by wind tunnel tests. Some preliminary analyses, carried out for checking the performance and reliability of the model, are finally reported.

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Nonlinear dynamic analysis of cooling towers under stochastic wind loading

Bartoli, G. / Borri, C. / Zahlten, W.

Abstract A numerical model for simulating the nonlinear dynamic response of natural draught cooling towers to wind loading is introduced. Geometrical and physical nonlinearities are considered in the F.E. modeling of the doubly-curved thin shell structure. An original simulation procedure of the artificial wind loading is used, generating directly the multi-correlated field of the (stochastic) time series of the external pressures. The effective correlation structure of the fluctuating pressure is imposed from the experimental data obtained by wind tunnel tests. Some preliminary analyses, carried out for checking the performance and reliability of the model, are finally reported.

Nonlinear dynamic analysis of cooling towers under stochastic wind loading

Bartoli, G. / Borri, C. / Zahlten, W.

Abstract A numerical model for simulating the nonlinear dynamic response of natural draught cooling towers to wind loading is introduced. Geometrical and physical nonlinearities are considered in the F.E. modeling of the doubly-curved thin shell structure. An original simulation procedure of the artificial wind loading is used, generating directly the multi-correlated field of the (stochastic) time series of the external pressures. The effective correlation structure of the fluctuating pressure is imposed from the experimental data obtained by wind tunnel tests. Some preliminary analyses, carried out for checking the performance and reliability of the model, are finally reported.

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Title:

Nonlinear dynamic analysis of cooling towers under stochastic wind loading

Contributors:

Bartoli, G. (author) / Borri, C. (author) / Zahlten, W. (author)

Published in:

Journal of Wind Engineering and Industrial Aerodynamics ; 43 ; 2187-2198

Publication date:

1992-01-01

Size:

12 pages

ISSN:

DOI:

https://doi.org/10.1016/0167-6105(92)90653-R

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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