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Aeroelastic coupling in sonic boom optimization of a supersonic aircraft
In this paper, we consider a multi-disciplinary optimization problem where the initial shape of a wing is sought in order to cope, after elastic deformation by the... -
Distributed Optimization using Virtual and Real Game Strategies for Aerodynam...
This report approaches the question of multi-disciplinary optimization for optimum shape design in Aerodynamics using game theory. The employed optimizer is based on... -
Aerodynamical and sonic boom optimization of a supersonic aircraft
Sonic Boom Reduction will be an issue of utmost importance in future supersonic carriers, due to strong regulations on acoustic nuisance. The present work introduces a... -
Convergence Analysis of a Schwarz Type Domain Decomposition Method for the So...
we report on a preliminary convergence analysis of a domain decomposition method for solving the Euler equations for compressible flows. This method was previously... -
Deriving Adequate Formulations for Fluid Structure Interaction Problems : fro...
Most formulations describing low speed large displacements fluid structure interaction problems use a totally lagrangian formulation for the structure, and an... -
A Domain Decomposition Approach to Finite Volume Solutions of the Euler Equat...
we report on our recent efforts on the formulation and the evaluation of a domain decomposition algorithm for the parallel solution of two-dimension- al compressible... -
Multi-Objective Optimization in CFD by Genetic Algorithms
This report approaches the question of multi-objective optimization for optimum shape design in aerodynamics. The employed optimizer is a semi-stochas- tic method,... -
A Two-Level Parallelization Strategy for Genetic Algorithms Applied to Shape ...
This report presents a two-level strategy for the parallelization of a genetic algorithm coupled to a compressible flow solver designed on unstructured triangular... -
Remarks on the Approximation of the Euler Equations by a Low Order Model
Fluid flows are very often governed by the dynamics of a small number of coherent structures, i.e., fluid features which keep their individuality during the evolution... -
Semi-Implicit Roe-Type Fluxes for Low-Mach Number Flows
Two semi-implicit methods based on the splitting of the Euler equations flux into fluid and acoustic parts applied to low Mach number flows are presented. The first... -
Multilevel Parametrization for Aerodynamical Optimization of 3D Shapes
We introduce and discuss a combination of methods and options that aim at the aerodynamical optimization of a flow around an arbitrary aircraft shape. The flow is... -
Parallel Solutions of Three-Dimensional Compressible Flows
In this report, we present parallel solutions of realistic three-dimensional flows obtained on the {\tt Intel Paragon}, the {\tt Cray T3D} and the {\tt Ibm SP2} MPPs... -
Coupling between a residual distributed scheme and isogeometric analysis: num...
During high order simulations, the approximation error may be dominated by the errors linked to the sub-parametric discretization used for the geometry representation.... -
Efficient 3D numerical prediction of the pressure wave generated by high-spee...
International audience -
Uniform Regularity for the Navier-Stokes Equation with Navier Boundary Condition
International audience -
Computation of Low Mach Inviscid Compressible Flows around a Prolate Spheroid
The numerical simulation of low Mach compressible flows around a prolate spheroid is investigated using a Godunov-like numerical method. The hyperbolic differential... -
Analysis and numerical approximation of hyperbolic systems of conservation la...
This thesis is devoted to the study of nonlinear hyperbolic systems of conservation laws with source terms allowed to become stiff. Applications come for the largest... -
Positivity-preserving schemes for Euler equations: Sharp and practical CFL co...
International audience -
Finite volume and pseudo-spectral schemes for the fully nonlinear 1D Serre eq...
28 pages, 16 figures, 75 references. Other author's papers can be downloaded at http://www.denys-dutykh.com/ -
Control of underwater vehicles in inviscid fluids. I: Irrotational flows.
International audience
