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AERODYNAMIC AND AEROELASTIC APPLICATIONS OF A PARALLEL MULTIGRID UNSTRUCTURED FLOW SOLVER
AERODYNAMIC AEROELASTIC APPLICATIONS PARALLEL MULTIGRID UNSTRUCTURED FLOW SOLVER
2015/7/2
The objective of this study is to develop a ow solver that can be used by aerody namic design environments to analyze a variety of candidate designs in a relatively short period of time. To meet this ...
AERODYNAMIC SHAPE OPTIMIZATION USING UNSTRUCTURED GRID METHODS
AERODYNAMIC SHAPE OPTIMIZATION UNSTRUCTURED GRID METHODS
2015/7/2
The mesh movement techniques were effective in reducing the grid generation wall clock time by 70%. Detailed results of the AIRPLANE-based optimization technique are presented. The performance gains r...
While aerodynamic prediction methods based CFD are now well estab lished, and quite accurate and robust, the ultimate need in the design process is to find the optimum shape which maximizes the ...
An Adjoint Method for the Calculation of Remote Sensitivities in Supersonic Flow
Adjoint Method Calculation Remote Sensitivities Supersonic Flow
2015/7/2
This paper presents an adjoint method for the cal culation of remote sensitivities in supersonic flow.The goal is to develop a set of discrete adjoint equa tions and their corresponding boundary...
Development and Validation of a Massively Parallel Flow Solver for Turbomachinery Flows
Development Validation Massively Parallel Flow Solver Turbomachinery Flows
2015/7/2
This paper presents the development and validation of the unsteady, three-dimensional, multiblock,parallel turbomachinery flow solver, TFLO. The Unsteady Reynolds Averaged Navier-Stokes (Un-steady RAN...
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...
Aerodynamic Shape Optimization Techniques Based On Control Theory
Aerodynamic Shape Optimization Techniques Based Control Theory
2015/7/2
This paper reviews the formulation and application of optimization techniques based on control theory for aerodynamic shape design in both inviscid and viscous compressible flow. The theory is applied...
Computation of Turbomachinery Flow by a Convective-Upwind-Split-Pressure (CUSP) Scheme
Turbomachinery Flow Convective-Upwind-Split-Pressure (CUSP) Scheme
2015/7/2
An artificial dissipation scheme using the concepts of SLIP and CUSP is implemented on top of a base line three-dimensional turbomachinery flow code.The original baseline code uses a finite-volume met...
Optimum Aerodynamic Design Using the Navier–Stokes Equations
Optimum Aerodynamic Design Navier–Stokes Equations
2015/7/1
This paper describes the formulation of optimization techniques based on control theory for aerodynamic shape design in viscous compressible flow, modeled by the Navier–Stokes equations. It exte...
An Efficient Multiblock Method for Aerodynamic Analysis and Design on Distributed Memory Systems
Efficient Multiblock Method Aerodynamic Analysis Design Distributed Memory Systems
2015/7/1
The work presented in this paper describes the application of a multiblock gridding strategy to the solution of aerodynamic design optimization problems involving complex configurations. The design pr...
ANALYSIS AND IMPLEMENTATION OF THE GAS-KINETIC BGK SCHEME FOR COMPUTATIONAL GAS DYNAMICS
gas evolution model gas-kinetic BGK schemes entropy condition gas-kinetic Lax±Wendroff ˉux
2015/7/1
Gas-kinetic schemes based on the BGK model are proposed as an alternative evolution model which can cure some of the limitations of current Riemann solvers. To analyse the schemes, simple advection eq...
Simulation of Supersonic Reacting Hydrocarbon Flows with Detailed Chemistry
Simulation Supersonic Reacting Hydrocarbon Flows Detailed Chemistry
2015/7/1
This paper presents a parallel multigrid method for computing inviscid and viscous high speed steady state flows with reacting hydrocarbons. The gov erning equations for reactive flow are solved using...
Accelerating Three-Dimensional Navier-Stokes Calculations
Accelerating Three-Dimensional Navier-Stokes Calculations
2015/7/1
This paper addresses the widely observed breakdown in multigrid performance for turbu lent Navier-Stokes computations on highly stretched meshes. Extending previous work in two dimensions, two alterna...
Parallel computation of supersonic reactive flows with detailed chemistry
Parallel computation supersonic reactive flows detailed chemistry
2015/7/1
This paper presents parallel computations of high speed steady-state hydrogen/oxygen and hydrogen/air reactive flows. The governing equations for reactive flow in the absence of viscosity, thermal con...
Optimum aerodynamic design using the Navier-Stokes equations
Optimum aerodynamic design Navier-Stokes equations
2015/7/1
This paper describes the formulation of optimization techniques based on control theory for aerodynamic shape design in viscous compressible flow, modelled by the Navier-Stokes equations. It extends p...