对静力问题,将指数矩阵函数展成级数来求解;对动力问题,采用状态空间迭代法来求解。
The exponential matrix function exhibition series was applied to solve the static problem; adopt the state space iterative method was applied to solve dynamic problem.
本文通过对油膜压力进行二阶泰勒级数展开得到油膜摄动压力方程组,采用指数膜假定求解油膜摄动压力方程组,得到推力轴承油膜刚度和阻尼的解析表达式。
In this article, author derives oil film perturbed pressure equation through expanding pressure using a Taylor Series. With exponential film assumption, analytical expression of OFSD is also derived.
直接用泰劳级数在浮点数运算下计算指数、对数函数的值有严重缺点。
There are serious disadvantages with calculating the value of exponential and logarithmic functions by directly using the Taylor series.
应用推荐