The stretching rate and the density of sediments which is continuously changed due to the pressure of overlying deposit under the elastic conditions can be described by certain divergence equation.
弹性条件下的拉伸速率和由于压实作用而不断变化的沉积物密度满足一定的散度方程。
A regularity result of a class of second order divergence form elliptic equation was obtained.
得到了一类二阶散度型椭圆方程很弱解的一个正则性结果。
However, for highly aerodynamic unstable airplane, the identification algorithm can not usually be carried through due to divergence of the state equation and the sensitivity equation integration.
但对于气动高度不稳定的飞机，辨识算法往往因状态方程组和灵敏度方程组积分发散而无法进行。
应用推荐