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11 papers · 1 filter
Stability and Order of Accuracy Analysis of High-Order Schemes Formulated Using the Flux Reconstruction Approach
Frederico Bolsoni Oliveira, João Luiz F. Azevedo
A stability analysis is performed on high-order schemes formulated using the Flux Reconstruction (FR) approach. The one-dimensional advection model equation is used for the assessm…
Aeroelastic Analysis of Transonic Flutter with CFD-Based Reduced-Order Model
Ana Cristina Neves Carloni, João Luiz F. Azevedo
The current work is concerned with studying processes for constructing reduced-order models capable of performing transonic aeroelastic stability analyses in the frequency domain b…
Numerical investigations of the orbital dynamics around a synchronous binary system of asteroids
L. B. T. Santos, Allan Kardec de Almeida, P. A. Sousa-Silva +5
In this article, equilibrium points and families of periodic orbits in the vicinity of the collinear equilibrium points of a binary asteroid system are investigated with respect to…
Development of Transonic Unsteady Aerodynamic Reduced-Order Models Using System Identification Techniques
Ana Cristina Neves Carloni, João Luiz F. Azevedo
The present paper develops a reduced-order model capable of modeling unsteady aerodynamic loads in the transonic regime using system identification techniques. The computational fl…
ExB drift particle transport in tokamaks
L. A. Osorio-Quiroga, G. C. Grime, M. Roberto +3
In tokamaks, modification of the plasma profiles can reduce plasma transport, improving particle confinement. However, this improvement is still not completely understood. In this…
Shearless curve breakup in the biquadratic nontwist map
Gabriel C. Grime, Marisa Roberto, Ricardo L. Viana +2
Nontwist area-preserving maps violate the twist condition along shearless invariant curves, which act as transport barriers in phase space. Recently, some plasma models have presen…