Listar por autor "Nieto Mouronte, Félix"
Mostrando ítems 1-14 de 14
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3D LES simulations of a static and vertically free-to-oscillate 4:1 rectangular cylinder: effects of the grid resolution
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Nguyen, D.T.; Owen, J.S.; Hernández, Santiago (Elsevier, 2019)[Abstract:] In the present study, the aerodynamics of the flow fields around a static and vertically free-to-oscillate 4:1 rectangular cylinder are analysed by means of 3D LES simulations, adopting the OneEqEddy viscosity ... -
A Computational Study on the Aerodynamics of a Twin-Box Bridge With a Focus on the Spanwise Features
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Kwok, Kenny; Hernández, Santiago (Elsevier, 2021)[Abstract] The wind flow around twin-box decks is particularly complex due to the very important role played by the slot distance between girders and the presence of the downwind box that is immersed in the wake of the ... -
A simplified CFD approach for bluff-body aerodynamics under small scale free stream turbulent flow
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Kwok, Kenny; Hernández, Santiago (Elsevier, 2023)[Abstract:] The study of free stream turbulence (FST) effects on bluff bodies by means of computational approaches has been addressed so far mainly applying scale resolving methods adopting a three-dimensional domain, which ... -
Aerodynamic performance of twin-box decks: a parametric study on gap width effects based on validated 2D URANS simulations
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Kwok, Kenny; Hernández, Santiago (Elsevier, 2018)[Abstract:] 2D URANS simulations are conducted aiming to study the aerodynamic performance under smooth flow of twin-box decks depending on the gap distance between girders. The Stonecutters Bridge is taken as the reference ... -
Aerostructural Optimization of Long Span Bridges: Current Advances and Challenges
Hernández, Santiago; Nieto Mouronte, Félix; Cid Montoya, Miguel; Jurado, José Ángel (ASCE, 2020)[Abstract] This paper describes the evolution of deck shape of long span bridges since the Tacoma Narrows collapse trying to avoid undesirable aerodynamic behavior under wind flow and the trend in the last decades to ... -
Análisis de sensibilidad y optimización aeroelástica de puentes colgantes en entornos de computación distribuida
Nieto Mouronte, Félix (2006)[Resumen] Hasta el momento el diseño basado en análisis de sensibilidad o el diseño óptimo han sido técnicas poco utilizadas en el proyecto de puentes de gran vano. Sin embargo, se vienen ejecutando puentes, tanto ... -
Assessment of the Aerodynamic and Aeroelastic Performance of Long-Span Twin-Box Bridges Based upon Multidimensional Surrogate Models
Badhurshah, Rameez; Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Jurado, José Ángel; Hernández, Santiago (MDPI, 2024)[Abstract:] Twin-box decks are being extensively used in the design of long-span bridges due to their superior flutter performance. Although the significant role played by the gap distance has been previously addressed in ... -
Bridge deck flutter derivatives: Efficient numerical evaluation exploiting their interdependence
Nieto Mouronte, Félix; Owen, John S.; Hargreaves, David M.; Hernández, Santiago (Elsevier, 2015-01)Increasing the efficiency in the process to numerically compute the flutter derivatives of bridge deck sections is desirable to advance the application of CFD based aerodynamic design in industrial projects. In this article, ... -
Computational Techniques for Novel Design of Long-Span Bridges Considering Aeroelastic Phenomena
Cid Montoya, Miguel; Nieto Mouronte, Félix; Hernández, Santiago; Kareem, Ahsan; Ding, Fei (ASCE, 2020)[Abstract] Optimization techniques have demonstrated their capability to obtain economic and sustainable designs while meeting the performance and safety requirements in a number of engineering disciplines. In the bridge ... -
Efficient Modal-Based Method for Analyzing Nonlinear Aerostatic Stability of Long-Span Bridges
Cid Montoya, Miguel; Hernández, Santiago; Kareem, Ahsan; Nieto Mouronte, Félix (Elsevier, 2021)[Abstract] An efficient method for analyzing the nonlinear aerostatic stability of long-span bridges using a modal formulation is proposed. First, a simplified linear version defined as modal-based approach is introduced, ... -
Numerical simulations of the aerodynamic response of 2D circular segments by means of URANS
Nieto Mouronte, Félix; Cid Montoya, Miguel; Álvarez Naveira, Antonio José; Hernández, Santiago; Jurado, José Ángel (WIT Press, 2016)[Abstract:] In the wind engineering field, the so-called D-section (semi-circular cylinder) has attracted some attention from researchers, since it is a galloping prone geometry. In fact, a modest number of references where ... -
Square Cylinder Under Different Turbulent Intensity Conditions by Means of Small-Scale Turbulence
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Kwok, Kenny; Hernández, Santiago (WIT Press, 2021)[Abstract] The phenomenon of turbulence is present in almost every type of flow in practical applications. Depending on its level of intensity and length scale, it can modify both the aerodynamic and aeroelastic performance ... -
Study of a static and vertically free-to-oscillate 4:1 rectangular cylinder by means of 2D URANS simulations
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Hernández, Santiago (WIT Press, 2018)[Abstract:] Flexible structures, such as cable-supported bridges, are prone to suffer from vortex-induced vibrations (VIV) under wind flow, as their span lengths are steadily growing in the last decades. VIV is a phenomenon ... -
Verification Approaches for the 3D Static LES Simulations of the Stonecutters Bridge Deck
Álvarez Naveira, Antonio José; Nieto Mouronte, Félix; Hernández, Santiago (WIT Press, 2021)[Abstract] In computational fluid dynamics (CFD) simulations, verification is the process of identifying both the spatial and the temporal discretisations providing relatively insensitive model results. The underlying goal ...