An example of finding optimal damped ratio in second order underdamped control system is given.
以二阶欠阻尼控制系统的设计为例，优化出系统的最佳阻尼比。
2
The theoretical models for slug test include exponential decay model, underdamped model and nonlinear model.
斯拉格试验理论模型包括指数衰减模型、欠阻尼衰减模型和非线性模型。
3
We apply a Langevin model by imposing additive and multiplicative noises to study thermally activated diffusion over a fluctuating barrier in underdamped dynamics.