The smallperturbationmethod and the finite element method were used to calculate the stiffness and damping coefficients of a gas film with three degrees of freedom for a gas film face seal.
应用微扰方法和有限元法,对端面气膜密封三自由度微扰下,密封气膜的刚度和阻尼系数进行了数值求解。
2
In this paper, a new kind of nonlinear analytical method which does not depend on small parameters is described and is compared with the perturbation techniques.
本文描述了一种新的、不依赖于小参数的非线性分析方法,并分析、比较了该方法与摄动展开方法的优缺点。
3
In this paper, the small signal port characteristics is established by the "perturbation signal feedback injection method", which lays a foundation of the system stability analysis.