The strength calculation formula of the screw propeller under the action of centrifugal force was obtained through multivariate fitting.
经多变量拟合,得到了离心力作用下螺旋推进器的强度计算公式。
By using this formula, orthogonal polynomial fitting algorithm for initial value problems of ordinary differential equations is established.
利用这一公式建立了常微分方程初值问题的正交多项式拟合算法。
After compared with the result of tests and fitting formula, it is reasonable to deduce the resolution of tube wall stiffness based on the elastic theory.
基于经典弹性板壳理论推导管壁变形解答,得到管壁变形的解析表达式,并以此计算管壁变形刚度。
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