Application of Simulation Methods of Stochastic Processes to Vortex Excitation
Autor(en): |
T. Lipecki
A. Flaga |
---|---|
Medium: | Fachartikel |
Sprache(n): | Englisch |
Veröffentlicht in: | Archives of Civil Engineering, März 2017, n. 1, v. 63 |
Seite(n): | 77-98 |
DOI: | 10.1515/ace-2017-0006 |
Abstrakt: |
A description of direct simulation of crosswind loads caused by critical vortex excitation and the response of the structure to these loads are presented in this paper. Tower-like structures of circular cross-sections are considered. A proposed mathematical model of vortex excitation has been numerically implemented and a selfserving computer program was created for the purpose. This software, cooperating with the FEM system, allows for a simulation of a crosswind load and lateral response in real time, meaning that at each time step of the calculations the load is generated using information regarding displacements seen beforehand. A detailed description of the mathematical model is neglected in this paper, which is focused on numerical simulations. WAWS and AR methods are used in simulations. |
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