采用两层涡粘性模型和速度剖面的指数律导出机械能方程的耗散积分解析表示式。
An analytical expression of dissipation integral for kinetic energy integral equation is derived by two-layer eddy viscosity turbulence model and the power law of the velocity profile.
得到了幂律指数介于2到3之间可调的无标度网络模型,并解析地给出了幂律指数随增长率变化的函数关系。
This network shows scale-free property when the growing rater is not large, and its power-law exponent is tunable from 2 to 3 thr.
通过状态和输入反馈变换将系统模型转换为二阶链式标准型,并对标准型给出一种时变光滑指数镇定控制律。
The state and input feedback transformations were constructed explicitly to convert the second-order nonholonomic system to second-order canonical chained form.
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