搜索结果: 1-15 共查到“流体力学 DESIGN”相关记录18条 . 查询时间(0.509 秒)
Design of free-surface interfaces using RANS equations
Design free-surface interfaces RANS equations
2015/7/3
In this paper, the continuous adjoint methodology to compute shape sensitivities in free-surface hydrodynamic design problems (RANS governing systems) has been developed.
Optimum Shape Design for Unsteady Flows with Time-Accurate Continuous and Discrete Adjoint Methods
Optimum Shape Design Unsteady Flows Time-Accurate Continuous Discrete Adjoint Methods
2015/7/2
This paper presents an adjoint method for the optimal control of unsteady flows. The goal is to develop the continuous and discrete unsteady adjoint equations and their corresponding boundary co...
Optimum Shape Design for Unsteady Three-Dimensional Viscous Flows Using a Nonlinear Frequency-Domain Method
Optimum Shape Design Unsteady Three-Dimensional Viscous Flows Nonlinear Frequency-Domain Method
2015/7/2
This paper presents an adjoint method for the optimum shape design of unsteady three-dimensional viscousflows.The goal is to develop a set of discrete unsteady adjoint equations and the correspo...
Computational Fluid Dynamics for Aerodynamic Design:Its Current and Future Impact
Computational Fluid Dynamics Aerodynamic Design
2015/7/2
This paper discusses the role that computational fluid dynamics plays in the design of aircraft. An overview of the design process is provided, covering some of the typical decisions that a desi...
Viscous Flow Solvers for Aero/Hydrodynamic Analysis and Design
Viscous Flow Solvers Aero/Hydrodynamic Analysis Design
2015/7/2
This paper reviews the principles underlying the de velopment of numerical techniques for the solution of both steady and time dependent viscous flow prob lems. The combination of efficient high resol...
FULLY NON-LINEAR CFD TECHNIQUES FOR SHIP PERFORMANCE ANALYSIS AND DESIGN
NON-LINEAR CFD TECHNIQUES PERFORMANCE ANALYSIS DESIGN
2015/7/1
Non-oscillatory discretization methods based on the Lo-cal Extremum Diminishing principle, which were origi-nally devised for compressible flow, are applied to the free-surface evolution equation. Mor...
Optimum Aerodynamic Design Using CFD and Control Theory
Optimum Aerodynamic Design CFD Control Theory
2015/7/1
This paper describes the implementation of optimiza-tion techniques based on control theory for airfoil and wing design. The theory is applied to a system de- fined by the partial differential equatio...
Computational Fluid Dynamics and Airplane Design: Its Current and Future Impact
Computational Fluid Dynamics Airplane Design
2015/6/18
A light structure is needed to reduce W0. SFC is the province of the
engine manufacturers. The aerodynamic designer should try to maximize
VL
D
. This means the cruising speed V should be increase...
Select ADO-DG Case Studies in Aerodynamic Design Optimization
Aerodynamic Design Optimization Select ADO-DG
2015/6/18
Select ADO-DG Case Studies in Aerodynamic Design Optimization。
Aerodynamic Inverse Design and Shape Optimization via Control Theory
via Control Theory Shape
2015/6/18
Capability to predict the flow past an airplane in different flight regimes such as
take off, cruise, flutter.
2 Interactive design calculations to allow immediate improvement
3 A...
A light structure is needed to reduce W0. SFC is the province of the
engine manufacturers. The aerodynamic designer should try to maximize
VL
D
. This means the cruising speed V should be increase...
For a given stress σ, the required skin thickness varies inversely as the wing
depth d. Thus weight can be reduced by increasing the thickness to chord
ratio. But this will increase shock drag in th...
Computational Fluid Dynamics and Airplane Design: Its Current and Future Impact
Computational Fluid Dynamics Airplane Design
2015/6/18
In 1960 the underlying principles of fluid dynamics and the
formulation of the governing equations (potential flow, Euler,
RANS) were well established.
The new element was the emergence...
Design-Oriented Aerodynamic Analysis for Supersonic Laminar Flow Wings
Super sound pneumatic
2015/6/18
The computation of boundary layer properties and
laminar-to-turbulent transition location is a very
complex problem, generally not undertaken in the
context of aircraft design. Yet if an aircraft i...
Growing interest in micro-air-vehicles has created the need for improved understanding
of the relevant aerodynamics. A reasonable starting point is the study of airfoil
aerodynamics at Reynolds nu...