搜索结果: 1-5 共查到“航空、航天科学技术 Grid”相关记录5条 . 查询时间(0.14 秒)
An advanced NURBS fitting procedure for post-processing of grid-based shape optimizations
advanced NURBS fi tting procedure post-processing grid-based shape optimizations
2015/7/3
An advanced NURBS fitting procedure for shape optimizers in 2D as well as 3D is presented. This approach utilizes a two step fitting process to approximate given sets of structured and uns...
In Pursuit of Grid Convergence for Two-Dimensional Euler Solutions
Grid Convergence Two-Dimensional Euler Solutions
2015/7/3
Grid-convergence trends of two-dimensional Euler solutions are investigated. The airfoil geometry under study is based on the NACA0012 equation. However, unlike the NACA0012 airfoil, which has a blunt...
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...
An assessment of unstructured grid finite volume schemes for cold gas hypersonic flow calculations
Hypersonic flow Cold gas flow Finite volume method Unstructured grids
2010/10/25
A comparison of five different spatial discretization schemes is performed considering a typical high speed flow application. Flowfields are simulated using the 2-D Euler equations, discretized in a c...
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...
