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Discrete filter operators for large-eddy simulation using high-order spectral difference methods
high-order methods LES turbulence models discrete fi lters spectral difference channel fl ow
2015/7/3
The combination of a high-order unstructured spectral difference (SD) spatial discretization scheme with sub-grid scale (SGS) modeling for large-eddy simulation is investigated with particular focus o...
A COMPARISON OF THE CONTINUOUS AND DISCRETE ADJOINT APPROACH TO AUTOMATIC AERODYNAMIC OPTIMIZATION
COMPARISON CONTINUOUS DISCRETE ADJOINT APPROACH AUTOMATIC AERODYNAMIC OPTIMIZATION
2015/7/2
This paper compares the continuous and discrete adjoint-based automatic aerodynamic optimization.The objective is to study the trade-off between the complexity of the discretization of the adjoi...
Analysis and Design of Numerical Schemes for Gas Dynamics 2 Artificial Diffusion and Discrete Shock Structure
Numerical Schemes Gas Dynamics Discrete Shock Structure
2015/7/1
The effect of artificial diffusion on discrete shock structures is examined for a family of schemes which includes scalar diffusion, convective upwind and split pressure (CUSP)...
Discrete, Continuous, and Constrained Optimization Using Collectives
Collectives Discrete Continuous
2015/6/18
The optimization approaches used for aerospace systems usually
require centralized coordination and synchronous updates. In addition,
while the approaches treat the large numbers of variables, they ...