Browsing by Research Group "Mecánica de Estruturas (ME)"
Now showing items 1-20 of 46
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3D LES simulations of a static and vertically free-to-oscillate 4:1 rectangular cylinder: effects of the grid resolution
(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
(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
(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 ... -
Aero-structural optimization-based tailoring of bridge deck geometry
(Elsevier, 2022)[Abstract:] The deck cross-section is usually identified in engineering practice as the most important design variable in the wind-resistant design of long-span bridges. This is certainly true in most cases since it controls ... -
Aerodynamic performance of twin-box decks: a parametric study on gap width effects based on validated 2D URANS simulations
(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
(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 ... -
An Open-Source Framework for Aircraft Damage Simulation in Engine Failure Events
(Elsevier, 2022)[Abstract] The aerospace industry demands designs capable of withstanding the simultaneous collapse of several structural elements. Examples of this failure scenario are propeller blade or uncontained engine rotor failures, ... -
Assessment of the Aerodynamic and Aeroelastic Performance of Long-Span Twin-Box Bridges Based upon Multidimensional Surrogate Models
(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
(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, ... -
CFD Applications in Long-span Bridges: An Erasmus+ Traineeship International Mobility Experience
(REDINE, Red de Investigación e Innovación Educativa, 2021)[Abstract:] An international mobility experience framed within the Erasmus+ Traineeship programme is reported. The topic of the traineeship is related with Computer Science and Engineering, more specifically, CFD applications ... -
Comparación de la seguridad al deslizamiento de seis presas españolas. Criterios de diseño empleados frente al estado del arte actual
(CSIC, 2021)[Resumen:] Se ha desarrollado y aplicado un método simplificado para reevaluar de forma más precisa la seguridad al deslizamiento en seis presas de gravedad y contrafuertes en base a los resultados de modelos lineales ... -
Computational Techniques for Novel Design of Long-Span Bridges Considering Aeroelastic Phenomena
(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 ... -
Crashworthiness Analysis and Enhancement of Aircraft Structures Under Vertical Impact Scenarios
(American Institute of Aeronautics and Astronautics, 2020)[Abstract] This research focuses on the crashworthiness study and enhancement of commercial aircraft structures by developing crushable energy absorbers to work as vertical struts. To assess their contribution on a ... -
Crashworthiness optimization of aircraft hybrid energy absorbers enclosing honeycomb and foam structures
(ARC (Aerospace Research Central), 2017)[Abstract:] This research proposes a new design for a vertical strut used in aircraft fuselages. It consists of a hollow aluminum vertical strut filled with a glass-fiber-reinforced polymer honeycomb-shaped structure and ... -
Crashworthiness study on hybrid energy absorbers as vertical struts in civil aircraft fuselage designs
(Taylor & Francis Online, 2019)[Abstract:] This research concerns the crashworthiness study and enhancement of commercial aircraft fuselage structures by incorporating crushable hybrid energy absorbers to work as vertical struts. To assess their ... -
Crushing analysis and multi-objective crashworthiness optimization of GFRP honeycomb-filled energy absorption devices
(Elsevier, 2014)[Abstract:] Fuel efficiency and occupant safety are two of the most important concerns in the automotive industry nowadays. Encouraged by the importance of this field of study, this research attempts an improvement in the ... -
Design optimization of multi-functional multi-lobe cryogenic fuel tank structures for hypersonic vehicles
(Springer Nature, 2023)[Abstract:] Hypersonic hydrogen-powered cruise vehicles offer promise for economical and reliable high-speed atmospheric transport. In recent years, several vehicle concepts have been developed in which the integration of ... -
Efficient Modal-Based Method for Analyzing Nonlinear Aerostatic Stability of Long-Span Bridges
(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, ... -
Energy Absorption of Aluminium Extrusions Filled with Cellular Materials Under Axial Crushing: Study of the Interaction Effect
(MDPI, 2020)[Abstract] This investigation focuses on the interaction effect during the quasi-static axial crushing of circular and square thin-walled aluminium extrusions filled with polymeric foam or cork. The increment in the absorbed ...
