1) dynamic unstructured grid
非结构动网格
1.
Spring analogy and remeshing method for dynamic unstructured grids are used to solve the problem of released the cover form cargo projectile.
利用弹簧近似和网格重构相结合的非结构动网格技术,耦合求解Euler方程及弹道方程,模拟飞行在46千米高空、0°攻角、马赫数6。
2.
Using dynamic unstructured grid technology combined by spring analogy and local remeshing,the Euler equation coupled with 6DOF trajectory equations was solved.
利用弹簧近似和网格局部重构相结合的非结构动网格技术,耦合求解Euler方程及6DOF弹道方程,时间方向采用四步Runge-Kutta方法,空间方向采用改进的Barth和Jespersen通量限制器的通量矢量分裂方法,数值模拟稠密大气层内、超声速飞行状态下、内部有冲压发动机的火箭头罩分离动力学过程。
3.
For this method, dynamic unstructured grid technique was used, and a MUSCL type finite volume scheme was constructed to discretize the 3D unsteady Euler equations described in ALE frame.
该方法采用非结构动网格技术并构造了一种MUSCL类型有限体积格式,求解考虑了动网格效应的三维非定常Euler方程。
2) dynamic unstructured grids
非结构动网格
1.
Numerical determination of trim angle of attack for reentry vehicles using dynamic unstructured grids;
用非结构动网格技术计算确定再入飞行器配平攻角
2.
In this paper,spring analogy method for dynamic unstructured grids has been studied.
对用于非结构动网格生成的弹簧近似方法进行了研究。
3.
The unsteady, compressible Euler equations are solved on dynamic unstructured grids by explicit, finite volume NND scheme, and, the fluid dynamics and rigid body dynamics equations are coupled.
该方法采用非结构动网格 ,显式NND有限体积格式 ,求解非定常Euler方程 ,并耦合了刚体动力学方程。
3) unstructured dynamic meshes
非结构动网格
1.
The flow solver takes use of Euler equations,combining with the technique of the unstructured dynamic meshes.
基于响应面法对高超音速飞行器前体进行气动优化设计,流场求解采用欧拉方程,并结合非结构动网格技术,便于适应复杂外形而且在每次外形改变后不必重新生成网格,有利于保证计算效率,响应面模型采用二次多项式来构造,数值结果表明由本文设计的前体/进气道布局结构简单,能获得更高的压缩率和总压恢复系数,以及更高的升阻比,该方法在多约束多目标条件下进行气动优化设计,设计质量较高,有一定的工程应用价值。
4) unstructured dynamic mesh
非结构动网格
1.
And using the unstructured dynamic mesh coupled with 6-DOF codes computed the separation trajectory and attitude of the missile in three different initial conditions,and it analyzed the reasons of all kinds of phenomena through the variations of the pitch angle and velocity.
采用有限体积法对欧拉方程进行离散,耦合求解六自由度运动方程,运用非结构动网格技术计算了导弹在三种不同初始条件下从三维开式弹穴中投放后的分离轨迹和姿态变化情况,分析了各种现象产生的原因,给出了较为理想的内埋式导弹发射方式。
2.
Euler/6-dof equations are solved to simulate the store separation from a supersonic cavity based on the unstructured dynamic mesh technology,compared to the trajectory at subsonic speed,analyzed the effect of the mach to the dynamic characteristics of the store and the conditions for safe internal store separation at supersonic speed.
采用非结构动网格技术,耦合求解欧拉方程和六自由度(6-DOF)运动方程,对内埋式导弹在亚声速和超声速条件下的分离轨迹和姿态变化进行了比较,分析了不同马赫数下气动力对导弹分离特性的影响,重点讨论了超声速条件下导弹分离过程中相对于载机的位置和导弹的姿态变化情况,分析了超声速飞行环境下导弹安全分离的条件。
5) unstructured dynamic gird
非结构运动网格
1.
In this thesis, according to the characters of unsteady flow, finite volume method spatial derivatives based on the unstructured dynamic gird technique and implicit dual-time temporal derivatives are adopted to simulate unsteady flow fields of 2-D airfoil through solving Navier-Stokes equations.
本文针对非定常流场数值模拟的特点,采用基于非结构运动网格的有限体积法的空间离散方法和隐式双时间的时间离散方法相结合,通过求解Navier-Stokes方程,对二维翼型的非定常流动进行了数值模拟。
6) unstructured grid
非结构网格
1.
Two-step pressure correction method for tidal flow simulation with unstructured grids;
非结构网格下两步压力校正算法的潮流模拟
2.
Domain decompositions and parallel algorithms to solve Euler equations on the unstructured grid;
非结构网格上Euler方程的区域分裂算法及并行计算
3.
Numerical optimization in a structured/unstructured grid;
结构非结构网格中的数值优化计算
补充资料:非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条