搜索结果: 1-9 共查到“航空、航天科学技术 numerical”相关记录9条 . 查询时间(0.031 秒)
A note on the numerical dissipation from high-order discontinuous finite element schemes
Energy stable fl ux reconstruction schemes Spectral difference schemes
2015/7/3
This paper analyzes in detail the numerical dissipation term embedded in high-order discontinuous finite element type discretizations with particular emphasis on numerical schemes that can be fo...
To account for the elastic nature of the sail cloth, this ow solver is coupled to NASTRAN to provide estimates of the de ections caused by the pressure loading. The results from the aeroelastic simul...
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)...
Analysis and Design of Numerical Schemes for Gas Dynamics 1 Artificial Diffusion, Upwind Biasing, Limiters and Their Effect on Accuracy and Multigrid Convergence
Design of Numerical Schemes Gas Dynamics usion Upwind Biasing Limiters Accuracy Multigrid Convergence
2015/7/1
The theory of non-oscillatory scalar schemes is developed in this paper in terms of the local extremum diminishing (LED) principle that maxima should not increase and minima should not decrease. This ...
Numerical investigation of windage heating within shrouded rotor-stator cavity system with central inflow
flow structure recovery temperature gap ratio
2014/12/11
The rotating disk surface temperature rise due to windage heating effect by numerically modeling the turbulent flow within a rotor-stator cavity which is available with a peripheral shroud and imposed...
Numerical simulation of axial liquid film cooling in rocket combustor
liquid film cooling heat flux numerical simulation turbulent flow
2014/5/19
Numerical simulation has been done for liquid film cooling in liquid rocket combustor.Multiple species of axial Navier-Stokes equations have been solved for liquid-film/hot-gas flow field,and k-ε equa...
Fatigue-crack-initiation numerical modelling of a Ni-base powder metallurgy alloy
fatigue-crack-initiation numerical simulation slip system powder metallurgy Voronoi tessellation
2014/5/21
A simplified three-dimensional numerical model was presented to simulate the micro-crack nucleation and growth to some predefined dimension (approximately 0.38mm) on the throat surface of a Ni-base po...
Lateral dynamic flight stability of hovering insects: theory vs. numerical simulation
Insect Hovering Lateral dynamic flight stability Averaged model Equations-of-motion Navier--Stokes simulation
2012/2/24
In the present paper, the lateral dynamic flight stability properties of two hovering model insects are predicted by an approximate theory based on the averaged model, and computed by numerical simula...
Numerical Simulation of High Specific Impulse Ion Thruster Grid System
Propulsion Simulation Ion Thruster
2009/8/19
A high specific impulse ion thruster (HiIsp-IT) operated at a voltage of over 10 kV has been studied and the problems of direct ion impingement on the accelerating grid and of production and impingeme...