1)  diverging wave
散波
2)  dissipation wave
消散波
3)  non dispersive wave
非频散波
4)  gather-disperse wave
集散波
5)  Diffusion wave
扩散波
1.
This method is proved to be the second order finite difference solution of the diffusion wave.
从河道洪水运动波方程的有限差分解入手,推导出了涨落差法的计算公式,进而证明该计算公式为河道洪水扩散波方程二阶精度的有限差分解。
2.
The diffusion wave equation is based on the neglect of the inertia terms from the momentum equation of the De Saint Venant flow equations, and it has been demonstrated that the model is a good method for flood routing with enough accuracy and relatively simply.
散波方程是通过忽略动力方程中的惯性项后与连续方程联立求解而得 ,经大量的实践证明不失为一种既具有足够精度又相对简单的洪水演算方法 。
3.
This paper proposes a flood routing model based on the analytical solution of the linear diffusion wave equation with free downstream conditions.
散波概念的提出至今已有近半个世纪。
6)  rarefaction wave
疏散波
1.
Interaction between two rarefaction waves for gas dynamic isentropic equatins;
气体动力学等熵流2个疏散波的相互作用
2.
the rarefaction wave, the shock wave or their superpositions, depending on the data.
根据初始资料的不同情形,其相应的Riemann问题以疏散波,激波或它们的迭加为弱解。
3.
The solutions reveal two different geometric structures including a centred rarefaction wave and a shock wave.
借助于广义平面波解,解析地求解了一类n-维的单个守恒律的黎曼问题,所获得的解展示了两种不同的几何结构,包括一个中心疏散波和一个激波。
参考词条
补充资料:广陵散(散sǎn)
琴曲。三国魏嵇康以善弹此曲著称。相传嵇康因不满司马氏专权而被害,临刑前曾索琴弹奏此曲。
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