Título:
A co-rotational formulation for quasi-steady aerodynamic nonlinear analysis of frame structures.
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Autor:
Vanzulli, Mauricio C.
Pérez Zerpa, Jorge M.
Pérez Zerpa, Jorge M.
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Tipo de documento:
Artículo
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Palabras clave:
Co-rotational formulation
Nonlinear dynamics
Quasi-steady theory
Finite element method
Nonlinear dynamics
Quasi-steady theory
Finite element method
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Año de publicación:
2023
Contenido:
Resumen:
The design of structures submitted to aerodynamic loads usually requires the development of
specific computational models considering fluid-structure interactions. Models using structural
frame elements are developed in several relevant applications such as, the design of advanced
aircraft wings, wind turbine blades or power transmission lines. In the case of flexible frame
structures submitted to fluid flows, the computation of inertial and aerodynamic forces for large
displacements and rotations is a challenging task. In this article, we present a novel formulation
for the efficient computation of aerodynamic forces in frame structures, coupling the co-rotational
framework with the quasi-steady theory. A numerical procedure is provided considering a tangent
matrix for the aerodynamic forces. This formulation is implemented in the open-source library
ONSAS, allowing users to reproduce the results or solve other frame nonlinear dynamic problems.
The proposed formulation and its implementation are validated through the resolution of four
numerical examples. The formulation and the numerical procedure proposed efficiently provide
accurate solutions for these challenging problems with large displacements and rotations.
Descripción:
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Editorial:
Cell Press
EN:
Heliyon, vol.9, no.9 (2023) e19990.
Financiadores:
Los autores desean agradecer a la Comisión Sectorial de Investigación Científica de la Universidad de la República y a la Comisión Académica de Posgrado por su apoyo financiero y a la Agencia Nacional de Investigación e Innovación por el apoyo financiero a través del proyecto FSE_1_2016_1_131837.
Citación:
Vanzulli, M. y Pérez Zerpa, J. "A co-rotational formulation for quasi-steady aerodynamic nonlinear analysis of frame structures" Heliyon, vol.9, no.9 (2023) e19990. [en línea] 18 p.
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Licencia:
Licencia Creative Commons Atribución (CC - By 4.0)
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| Ficheros | Descripción | Tamaño | Formato | ||
|---|---|---|---|---|---|
| VP23.pdf | Artículo | 1.1 MB | Adobe PDF |