搜索结果: 1-15 共查到“航空、航天科学技术 flow”相关记录25条 . 查询时间(0.131 秒)
Optimization of Flow Past a Moving Deformable Airfoil using Spectral Difference Method
Optimization Flow Past Moving Deformable Airfoil Spectral Diff erence Method
2015/7/3
In this paper we examine the low Reynolds number flow past a harmonically plunging,pitching, and deforming airfoil, both individually and in combination. The lift and thrust characteristics of t...
Further Studies of Airfoils Supporting Non-Unique Solutions in Transonic Flow
Further Studies Airfoils Supporting Non-Unique Solutions Transonic Flow
2015/7/3
Non-unique solutions of the Euler equations were originally discussed by Jameson in 1991 (“Airfoil Admitting Non-Unique Solutions to the Euler Equations,” AIAA Paper 1991-1625, June 1991) for several ...
On the Development of a High-Order, Multi-GPU Enabled, Compressible Viscous Flow Solver for Mixed Unstructured Grids
High-Order Multi-GPU Enabled Compressible Viscous Mixed Unstructured Grids
2015/7/3
This work discusses the development of a three-dimensional, high-order, compressible viscous ow solver for mixed unstructured grids that can run on multiple GPUs. The solver utilizes a range of so-cal...
Simulation of Transitional Flow over Airfoils using the Spectral Difference Method
Simulation Transitional Flow over Airfoils Spectral Difference Method
2015/7/3
This work addresses the simulation of transitional flow over airfoils under low Reynolds number conditions(Rec ≤ 60000). The flow solutions are obtained by means of an Implicit Large Eddy ...
Large Eddy Simulation of Compressible Turbulent Channel Flow with Spectral Di®erence method
Large Eddy Simulation Compressible Turbulent Channel Flow Spectral Di® erence method
2015/7/2
This paper presents the development of a three-dimensional high-order solver with unstructured spectral di®erence method. The solver employs the formulations of Sun et al.22 It is implemented on ...
Edge-based Meshless Methods for Compressible Flow Simulations
Edge-based Meshless Methods Compressible Flow Simulations
2015/7/2
This work concerns the development of a highly accurate and ecient meshless ow solver for inviscid ow in two dimensions. Novel aspects of this work include the application of mesh-based reconstructio...
Aerodynamic Simulation and Shape Optimization for High Speed Flow
Aerodynamic Simulation Shape Optimization High Speed Flow
2015/7/2
In this paper we review the development of aerodynamic simulation and shape optimization techniques which had their inception in Princeton during the early eighties, when Seymour M. Bogdonoff wa...
High-Order Accurate Methods for High-Speed Flow
High-Order Accurate Methods High-Speed Flow
2015/7/2
This work focuses on high-order numerical schemes for conservation laws with emphasis on problems that admit discontinuous solutions. We will investigate several enabling techniques with the aim to co...
An Analysis of Bodies Having Minimum Pressure Drag in Supersonic Flow: Exploring the Nonlinear Domain
Analysis Bodies Having Minimum Pressure Drag Supersonic Flow Exploring Nonlinear Domain
2015/7/2
One of the most interesting problems in supersonic aerodynamics has been to nd pro le shapes that have minimum pressure drag, subject to a set of geometric constraints. Considerable work was done in ...
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 ...
SONIC BOOM REDUCTION USING AN ADJOINT METHOD FOR WING-BODY CONFIGURATIONS IN SUPERSONIC FLOW
SONIC BOOM REDUCTION ADJOINT METHOD WING-BODY CONFIGURATIONS SUPERSONIC FLOW
2015/7/2
This paper presents an adjoint method for the calculation of remote sensitivities in supersonic flow. The goal is to develop a set of adjoint equations and their corresponding boundary condition...
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...
Unsteady Flow Investigations in an Axial Turbine Using the Massively Parallel Flow Solver TFLO
Unsteady Flow Investigations Axial Turbine Massively Parallel Flow Solver TFLO
2015/7/2
The results from two numerical simulations of the unsteady °ow in a 1-1/2 stage axial °ow turbine are presented and compared with experimental data to show both the e®ect of blade count on the so...
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...
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...