证明了与随机控制问题有关的动态规划方程粘性解的比较定理。
This paper gives a proof of a comparison theorem on the viscosity solution of HJB Equation.
为了处理超临界流和有冲波情况，我们在方程中引入人工粘性项，以消除解中可能出现的不连续性。
An artificial viscous term is introduced in the equation to treat the supercritical flow with embeded shock waves and to eliminate the discontinuous solution.
因此，粘性守恒律方程组整体解的大时间性态成为人们十分关心的问题。
Therefore, the large time behavior of the global solution to viscous conservation laws has become one of the most important topics in fluid dynamics.
逐步减小人工粘性，解的精度有相当程度的提高。
As the artificial viscosity decreased gradually the accuracy of the solution was increased to in a certain degree.
本文主要研究高维空间中带有退化粘性的标量守恒律方程的光滑解的整体存在性，以及该解逼近强平面稀疏波的衰减率。
This paper is concerned with the decay rates of the solution to the strong planar rarefaction waves for scalar conservation laws with degenerate viscosity in several space dimensions.
浮体在粘性流体中的侧倾振荡为阻尼运动，其侧倾角度随时间的增加而减小，在小角度时侧倾振荡与理论解接近。
The list vibration of the floating body well agrees with the one from the theory in the case of small Angle.
本文给出了矩形截面的s形弯曲管道中气流的三元紊流数学分析和对不可压缩情况进行的数字解结果。研究中将三元粘性紊流看作半抛物线形式。
This paper presents the results of the analysis and numerical solution of the three-dimensional turbulent incompressible flow in an S-shaped rectangular duct.
本文的研究结果使粘性流体力学中的N—S方程又增添一例准确解，对工程实践中的具体问题有实用价值和指导意义。
Velocity sections are shown by electric computer. The studying in this paper not only make N—S function add a exact solution but also have practical value for engineering problem.
本文的研究结果使粘性流体力学中的N—S方程又增添一例准确解，对工程实践中的具体问题有实用价值和指导意义。
Velocity sections are shown by electric computer. The studying in this paper not only make N—S function add a exact solution but also have practical value for engineering problem.
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