This paper sets the theoretical and numerical method predicting the unsteady pressure distribution on the propeller blade surface by using perturbation potential based on surface panel method.

本文建立了扰动速度势面元法预报螺旋桨表面非定常压力分布的理论和数值方法。

youdao

The Hamiltonian of sodium atom is reduced by using screening Coulomb potential, and the energy levels of sodium atom are calculated by means of twofold perturbation.

用屏蔽库仑势简化了钠原子的哈密顿，用两次微扰法计算了钠原子的能量，结果与实验值符合得较好。

youdao

In this paper, the logarithmic perturbation scheme for the central potential field is investigated.

对中心势场的对数微扰论方法作了进一步探讨。

youdao

To deal with the potential problem that some farmers might get disillusioned and withdraw early - creating perturbation - each group will have to deposit enough money into a bank account in advance to cover the entire cost of a four-year operation.

BBC: Badger cull heads for further consultation