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Supercomputing of Supersonic Flows Using Upwind Relaxation and MacCormack Schemes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The impetus of this paper is the comparative applications of two numerical schemes for supersonic flows using computational algorithms tailored for a supercomputer. The mathematical model is the ...
Gathering Momentum into the New Millennium: 21st Century as the Foundation
Publisher: American Society of Civil Engineers
Viscous Simulation Method for Unsteady Flows Past Multicomponent Configurations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An algorithm is developed to obtain numerical simulations of flows about complex configurations composed of multiple and nonsimilar components with arbitrary geometries. The algorithm uses a ...
Wing Section Optimization for Supersonic Viscous Flow
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: To improve the performance of a highly swept supersonic wing, it is desirable to have an automated design method that also includes a higher fidelity to the flow physics. With this impetus, ...
Investigation of Dispersion-Relation-Preserving Scheme and Spectral Analysis Methods for Acoustic Waves
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Important characteristics of acoustic wave propagation are encoded in their dispersion relations. Hence, a computational algorithm, which attempts to preserve these relations, was investigated. ...
Simulation of Three-Dimensional Shear Flow Around a Nozzle-Afterbody at High Speeds
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Turbulent shear flows at supersonic and hypersonic speeds around a nozzle-afterbody are simulated. The three-dimensional, Reynolds-averaged Navier-Stokes equations are solved by a finite-volume and ...
Effects of Efficiency Techniques on Accuracy of Dynamic-Overlapped Grids for Unsteady Flows
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: There is a strong need for advancements to compute unsteady flows involving moving boundaries and bodies. Currently, there appear to be two dynamic approaches and their variants proposed for ...
Aerodynamic Sensitivity Analysis Methods for the Compressible Euler Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A mathematical formulation is developed for aerodynamic sensitivity coefficients based on a discretized form of the compressible, two-dimensional Euler equations. A brief motivating introduction to ...
Airfoil Shape Optimization Using Sensitivity Analysis on Viscous Flow Equations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An aerodynamic shape optimization method has previously been developed by the authors using the Euler equations and has been applied to supersonic-hypersonic nozzle designs. This method has also ...
Navier-Stokes Computations of Cavity Aeroacoustics with Suppression Devices
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Effectiveness of two devices to suppress the cavity acoustics was computationally investigated. Two dimensional, computational simulations were performed for the transonic, turbulent flows past a ...
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