Exploració per tema "Aeroelasticitat"
Ara es mostren els items 1-19 de 19
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A meshless finite point method for three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Accés obertA finite point method for solving compressible flow problems involving moving boundaries and adaptivity is presented. The numerical methodology is based on an upwind-biased discretization of the Euler equations, written ... -
A simulation tool for parachute/payload systems
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThe design and evaluation of parachute-payload systems is a technology field in which numerical analysis tools can make very important contributions. This work describes a new development from CIMNE in this area, a coupled ... -
A transonic potential solver with an embedded wake approach using multivalued finite elements
(International Centre for Numerical Methods in Engineering (CIMNE), 2021)
Comunicació de congrés
Accés obertA potential transonic solver with an embedded wake is presented. The flow outside of attached boundary layers of streamlined bodies flying at high Reynold numbers can be assumed to be irrotational and isentropic. This ... -
Aeroelastic study of the flutter conditions of an aircraft wing
(Universitat Politècnica de Catalunya, 2022-07-18)
Treball Final de Grau
Accés obertAircraft wings are the responsible for planes to fly, they are the main structures providing lift so that the gravity is overcome. Therefore, one must ensure that instabilities do not appear because they can lead to fatal ... -
Análisis aeroelástico de chimeneas de acero utilizando elementos no-lineales de lámina sin rotación
(Universitat Politècnica de Catalunya. CIMNE, 2010)
Article
Accés obertEn este trabajo proponemos el análisis de chimeneas utilizando interacción fluido-estructura como alternativa a los clásicos procedimientos internacionales bien reglamentados por diferentes países. Para lograr un análisis ... -
Configuraciones eficientes de cables en puentes atirantados según análisis de sensibilidad de su comportamiento aeroelástico
(Universitat Politècnica de Catalunya, 2006)
Article
Accés obertEn el presente artículo se estudian diversas configuraciones de cables para puentes atirantados de gran vano en función de su comportamiento frente al fenómeno de flameo. Como criterio para elegir la configuración de mayor ... -
Determination of flutter derivatives of bridge sections based on wind tunnel experiments under forced excitation
(Universitat Politècnica de Catalunya, 2012-01-26)
Tesina
Accés obert[ANGLÈS] In the last centuries new technologies and structural knowledge have made possible the construction of filigree structures, which economize the required material quantities by taking material capacity to its limits. ... -
Efficient aeroelastic analysis of inflatable structures using enhanced potential flow aerodynamics
(2019-10)
Article
Accés obertAn efficient method for the aeroelastic analysis of wind effects on inflatable structures is presented. The solution scheme is staggered and uses an explicit finite-element structural solver and potential flow aerodynamics. ... -
Efficient aeroelastic analysis of wind loads on inflatable hangars
(International Centre for Numerical Methods in Engineering (CIMNE), 2019)
Text en actes de congrés
Accés obertWind loads play a crucial role in inflatable structures. Unfortunately, design loads from safety regulations grossly overestimate the real aerodynamic forces. Thus, a more accurate estimation of wind loads is desirable. ... -
Ensayos de flameo: procedimientos y herramientas de análisis modal
(Fundación Rogelio Segovia para el Desarrollo de las Telecomunicaciones (Fundetel), 2013)
Comunicació de congrés
Accés restringit per política de l'editorialEl flameo es un fenómeno vibratorio que puede llevar a la destrucción de una aeronave en vuelo. Los ensayos en vuelo de flameo, dentro del proceso de integración de Armamento en Plataformas Aéreas, tienen por objeto ... -
Estudi d'elements hipersustentadors. Flaps i Slats
(Universitat Politècnica de Catalunya, 2021-05-19)
Treball Final de Grau
Accés obertL’objectiu principal d’aquest treball és estudiar dos elements hipersustentadors coneguts com a flap, més en concret el bàsic, situat al final del perfil alar, i el slat amb ranura slot situat al començament del perfil. ... -
Fluid structure interaction using reduced order modeling: a first approach
(Universitat Politècnica de Catalunya, 2014)
Projecte Final de Màster Oficial
Accés obert -
Frequency and damping identification in flutter flight testing using singular value decomposition and QR factorization
(2015-02)
Article
Accés obertA new method, based on singular value decomposition and QR factorization, has been developed and applied to the analysis of F-18 flutter flight test data. The method is capable of identifying the frequency and damping of ... -
Non-linear aeroelastic analysis of slender wings accounting for large deformations
(Universitat Politècnica de Catalunya, 2021-06)
Projecte Final de Màster Oficial
Accés obertThis thesis aims to develop a geometrically non-linear aeroelastic analysis for flutter prediction of flexible wings under large displacements. The novel Pazy Wing benchmark model proposed within the AePW3 (Third Aeroelastic ... -
Optimisation of Controlled Aeroelastic Systems
(Universitat Politècnica de Catalunya, 2018-06-20)
Projecte Final de Màster Oficial
Accés restringit per decisió de l'autorThis project presents and investigates a methodology for the optimisation of control systemsand structural parameters of aeroelastic systems, which enables a rapid acquisition of designcriteria with low computational ... -
Study of aerolastic behavior of a wing using reduced-order modeling and domain decomposition
(Universitat Politècnica de Catalunya, 2018-06-10)
Treball Final de Grau
Accés restringit per decisió de l'autorEngineering evolution has been accompanied by an increase in the computational cost to address complex structural problems in a precise manner. To alleviate costs, it was sought to develop a method based on the finite ... -
Study of the model-order reduction of the aerolastic behavior of a wing
(Universitat Politècnica de Catalunya, 2016-06)
Treball Final de Grau
Accés obertThe main objective of this paper is to apply the model-order reduction technique to an airplane’s wing in order to speed up development of aircrafts or to get real-time results of a plane structural state. However, this ... -
Unveiling modal parameters with forced response using SVD and QR during flutter flight testing
(2018-01-01)
Article
Accés obertThis article presents an algorithm for the identification of modal parameters during flutter flight testing when forced excitation is employed and the aircraft possesses several sensors for structural response acquisition. ... -
Wind tunnel testing of a high aspect ratio wing model
(Curran, 2019)
Text en actes de congrés
Accés obertThere is much current interest in the development of High Aspect Ratio Wing (HARW) designs for improved aircraft performance. However, there are a lack of relevant data sets available to validate aeroelastic modelling ...