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1)  the stability of casting the ball
抛球稳定性
1.
The study of improving the stability of casting the ball when serving in the undergraduates volleyball optional course;
普通高校排球选项课教学中提高发球时抛球稳定性的研究
2)  stabilization of riprap
抛石稳定性
1.
A formula reflecting the stabilization of riprap in a closure work and of groyne head apron is thus deduced.
经过验算 ,冲深与抛石稳定性的计算与实际工程的结果较为一致 。
3)  riprap stability
抛石稳定
4)  parabolized stability equation
抛物化稳定性方程
1.
The relative parabolized stability equations of nonlinear nonparallel boundary layer were derived.
研究对非平行边界层稳定性有重要影响的非线性演化问题 ,导出与其相应的抛物化稳定性方程组 ,发展了求解有限振幅T_S波的非线性演化的高效数值方法· 这一数值方法包括预估_校正迭代求解各模态非线性方程并避免模态间的耦合 ,采用高阶紧致差分格式 ,满足正规化条件 ,确定不同模态非线性项表和数值稳定地作空间推进· 通过给出T_S波不同的初始幅值 ,研究其非线性演化· 算例与全Navier_Stokes方程的直接数值模拟 (DNS)的结果作了比较
2.
In this thesis, different types of stability equations, including Orr-Sommerfeld Equation (OSE) and Parabolized Stability Equation (PSE) based on the“slow change”hypothesis and the local method equation which is computed in local range, are derived from Navier-Stokes equation with“small disturbance”hypothesis.
本文从Navier-Stokes方程出发,导出不同形式的流动稳定性方程,包括采用小扰动理论得到的Orr-Sommerfeld方程(OSE)、基于流向慢变特性而得到的抛物化稳定性方程(PSE)以及在一小范围内计算的局部法方程。
3.
The weak nonlinear instability of a nonparallel boundary layer is studied by nonlinear parabolized stability equations(PSE).
采用非线性抛物化稳定性方程(PSE)研究了非平行边界层的弱非线性稳定性。
5)  parabolic stability equations
抛物化稳定性方程
1.
The process of evolution, especially that of nonlinear evolution, of C-type instability of laminar-turbulent flow transition in nonparallel boundary layers are studied by means of a newly developed method called parabolic stability equations (PSE).
提出用抛物化稳定性方程(PSE)新方法,研究非平行边界层从层流向湍流转捩的C型失稳的演化过程,特别是非线性演化问题。
2.
The parabolic stability equations(PSEs) in curvilinear coordinates are derived from Navier-Stocks(N-S) equations,and the nonparallel stability of the compressible boundary layer on wings is analyzed.
从Navier-Stocks(N-S)方程导出曲线坐标系下的抛物化稳定性方程(Parabolicstabilityequation,PSE),研究机翼非平行的可压缩边界层稳定性问题。
3.
A new method of the parabolic stability equations (PSE) is used to study the nonparallelism of the boundary layer stability.
采用抛物化稳定性方程的新方法研究稳定性的非平行问题 ,其控制方程从涡量形式的 N-S方程导出。
6)  parabolized stability equations
抛物化稳定性方程
1.
Based on parabolized stability equations, the stability of nonparallel boundary layer is calculated and analyzed by using recursion numerical method.
该文从抛物化稳定性方程出发,采用从上游往下游递推的数值方法,对非平行边界层稳定性问题进行了数值计算和分析。
2.
In this article the nonparallel stability of the boundary layer is investigated effectively by using the parabolized stability equations (PSE).
采用极为有效的抛物化稳定性方程 (PSE)方法研究边界层的非平行稳定性。
3.
The remnants of ellipticity in the parabolized stability equations for three dimensional parallel incompressible boundary layer flow are studied, detail methods for removing the ellipticity are suggested, and the consistence of solutions between the parabolized stability equations and the fully elliptic problem is provoed.
针对三维平行不可压边界层流动的抛物化稳定性方程,研究其剩余的椭圆特性,提出了消除该特性的具体方法,并对抛物化稳定性方程解与全椭圆问题解的一致性进行了证明。
补充资料:抛球乐
【诗文】:
坐对高楼千万山,
雁飞秋色满阑干。
烧残红烛暮云合,
飘尽梧金井寒。
咫尺人千里,
犹忆笙歌昨夜欢。




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