Browsing by Author "Flores Le Roux, Roberto Maurice"
Now showing items 1-20 of 28
-
A 3D low-order panel method for unsteady aerodynamic problems
(2010)
Research report
Open AccessAn unsteady low-order panel method for three-dimensional subsonic analyses is presented. The method, which is based on well-established techniques in computational aerodynamics, is intended to achieve a cost-effective ... -
A meshless finite point method for three dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Restricted access - publisher's policyA 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 meshless finite point method for three-dimensional analysis of compressible flow problems involving moving boundaries and adaptivity
(2013-10)
Article
Open AccessA 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 numerical investigation of wind tunnel model deformations caused by the twin-sting support system
(2010-03)
Article
Restricted access - publisher's policyThe present work is part of a broader investigation aimed at improving the understanding of the aerodynamics of the rear aircraft section. Complex flow phenomena (e.g., the thick fuselage boundary layer at the rear end) ... -
A numerical investigation of wind tunnel model deformations caused by the twin-sting support system
(2009)
Research report
Open AccessThis work presents a wing deformation analysis of a twin-sting-mounted commercial aircraft model. Twin-sting arrangements minimize flow disturbances around the model fuselage and tail; on the other hand, they cause important ... -
A simulation tool for parachute/payload systems
(Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2014)
Conference report
Restricted access - publisher's policyThe 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-posteriori error estimation for the finite point method with applications to compressible flow
(2017-04)
Article
Open AccessAn a-posteriori error estimate with application to inviscid compressible flow problems is presented. The estimate is a surrogate measure of the discretization error, obtained from an approximation to the truncation terms ... -
Aeroelastic analysis of parachute deceleration systems with empirical aerodynamics
(2019-11-13)
Article
Open AccessA technique for the aeroelastic solution of parachute decelerators is presented in this work. The methodology uses empirical aerodynamics, based on a filling-time inflation model and Ludtke's area law, coupled to two ... -
An automatic tree search algorithm for the Tisserand graph
(Elsevier, 2021-02)
Article
Open AccessThe Tisserand graph (TG) is a graphical tool commonly employed in the preliminary design of gravity-assisted trajectories. The TG is a two-dimensional map showing essential orbital information regarding the Keplerian orbits ... -
An edge-based solver for compressible flow
(2005-10)
Research report
Open AccessAn edge-based high-resolution scheme for the solution of the compressible Euler equations on unstructured finite elements grids is presented. The flow solver adopted in the present work is the approximate Riemann solver ... -
An implicit unsteady hydraulic solver for suspended cuttings transport in managed pressure wells
(Springer, 2019-04)
Article
Open AccessWe present a simulation tool for transient events in complex hydraulic networks. The code includes modelling of the transport of suspended cuttings in near-vertical wells. An unstructured finite volume formulation with ... -
Analysis of perturbations and station-keeping requirements in highly-inclined geosynchronous orbits
(2015)
Conference report
Open AccessThere is a demand for communications services at high latitudes that is not well served by conventional geostationary satellites. Alternatives using low-altitude orbits require too large constellations. Other options are ... -
Application of the finite point method to high- Reynolds number compressible flow problems
(2014-04)
Article
Restricted access - publisher's policyIn this work, the finite point method is applied to the solution of high-Reynolds compressible viscous flows. The aim is to explore this important field of applications focusing on two main aspects: the easiness and ... -
Comparative accuracy and performance assessment of the finite point method in compressible flow problems
(Elsevier, 2014-01-20)
Article
Restricted access - publisher's policyA comparative assessment of the Finite Point Method (FPM) is presented. Using a wing-fuselage configuration under transonic inviscid flow conditions as reference test case, the performance of the FPM flow solver is compared ... -
Efficient aeroelastic analysis of inflatable structures using enhanced potential flow aerodynamics
(2019-10)
Article
Open AccessAn 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)
Conference report
Open AccessWind 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. ... -
Efficient Two-Body Approximations of Impulsive Transfers between Halo Orbits
(International Astronautical Federation, 2018)
Conference report
Restricted access - publisher's policyThis contribution presents an efficient method to compute direct transfers between Halo orbits from two circular restricted three-body problems. Owing to the remarkable impulse given over the past two decades to the plans ... -
Ensayos de flameo: procedimientos y herramientas de análisis modal
(Fundación Rogelio Segovia para el Desarrollo de las Telecomunicaciones (Fundetel), 2013)
Conference lecture
Restricted access - publisher's policyEl 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 ... -
Explicit dynamic analysis of thin membrane structures
(2011-02)
Research report
Open AccessAn explicit dynamic structural solver developed at CIMNE for the analysis of parachutes is presented. The canopy fabric has a negligible out-of-plane stiffness, therefore its numerical study presents important challenges. ... -
Frequency and damping identification in flutter flight testing using singular value decomposition and QR factorization
(2015-02)
Article
Open AccessA 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 ...
