Determination of wind force acting on an object in the shape of a bent pipe

• Autorzy: Padewska-Jurczak Agnieszka , Buliński Zbigniew , Krysiński Tomasz

Identyfikatory

DOI

10.24425/bpasts.2024.152706

• Języki publikacji: EN

Abstrakty

EN

The aim of the paper is to determine the aerodynamic forces acting on a torus-shaped structure fragment at high wind velocity which are impossible to obtain from the existing standard EN 1991-1-4 (the so-called wind standard). The most important problem is the correct modeling of turbulence and laminar-turbulent transition in the conditions of flow interference resulting from the presence of other obstacles. For this reason, forces are obtained by two methods: fluid-structure interaction (FSI, force transfer) and user-defined functions (UDF). Variations of the total aerodynamic lift force of the half of the torus with angle β and velocity of wind w, and the formula for estimating the horizontal force Pz perpendicular to drag force are presented. Additionally, useful engineering parameters (such as pressure distribution and air velocity field) are determined. The forces of wind influence on two cylinders and a torus-shaped object are obtained and compared.

Słowa kluczowe

EN

wind action; water slide; fluid-structure interaction; FSI; UDF; finite volume method; FVM; finite element method; FEM; user defined function

PL

działanie wiatru; zjeżdżalnia wodna; FSI; UDF; metoda objętości skończonych; FVM; metoda elementów skończonych; MES; funkcja zdefiniowana przez użytkownika; interakcja płyn-struktura

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2025
• Tom: Vol. 73, nr 1
• Strony: art. no. e152706
• Opis fizyczny: Bibliogr. 41 poz., rys., tab., wykr.

Twórcy

autor

Padewska-Jurczak Agnieszka

• Department of Mechanics and Bridges, Faculty of Civil Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland

• https://orcid.org/0000-0003-4129-2081

autor

Buliński Zbigniew

• Institute of Thermal Technology, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-3432-6282

autor

Krysiński Tomasz

• Institute of Thermal Technology, Faculty of Energy and Environmental Engineering, Silesian University of Technology, Konarskiego 18, 44-100 Gliwice, Poland

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).