1) partial differentiation
偏微分法，偏导法
2) partial differentiation
偏微分法;偏导法
3) method of derivation calculus for complete differential equation
全微分求偏导法
1.
The method of derivation calculus for complete differential equation are derived and proved,and the identity between the method of comparing coefficient and the method of derivation calculus for complete differential equation is presented firstly,some examples are also given.
给出了全微分求偏导法的证明,指出了比较系数法和全微分求偏导方法的同一性,并且给出了具体的例子。
4) partial differential law
偏微分法
5) higher order partial differentiation
高阶偏微分方法
6) partial derivative method
偏导数法
1.
A computational scheme is presented to evaluate the dynamic stiffness and damping coefficients of the aerodynamic tilting-pad journal bearings by combining the partial derivative method with the equivalent coefficient method.
提出将偏导数法和折合系数法相结合来计算可倾瓦空气动压轴承的动态刚度和阻尼系数。
2.
A novel and universal computational method for obtaining the dynamic stiffness and dynamic damping coefficients of aerodynamic bearings is presented by means of the partial derivative method applied to the gas-lubricated Reynolds equation,and the dynamic stiffness and dynamic damping coefficients of a typical aerodynamic bearing are eva.
采用偏导数法求解动压气体润滑Reynolds方程,给出了动压气体轴承动态刚度和阻尼系数普遍适用的计算方法。
补充资料：偏微分
偏微分
partial differential
偏微分I俐血l曲阮n”丘目;”ac珊‘l应压”4洲卜peou班幼]，多元函数的一阶 函数关于一个变量的微分(diflbrential)，而保持其他变量固定.例如·设函数.厂(:、，…，x。)定义在点(川lj)，…，x;。’)的某邻域内，则.厂关于变量x.在给定点的偏微分d、，f(二{“，，…，式。，)等于一元函数f(二、，、10，，…，x{o，)在x俨‘的常微分·即d二f(二{“，，】二，、沪)二试厂(:、、;罗’，二，二沪)}二，一二产二 _口j，_t〔1。…_(。。、，_ 一成~L义丫’，“，戈几”“关1所以旦乙=~丝卫… 刁x:dx、k(左>l)阶偏微分可类似地定义.例如，f(x、，…，x。)在点(x{0)，…，x尸，)关于x，的k阶偏微分武f(;卿，二，，洲)，正好是一元函数f(二，，‘男，…，x沪)关于其变量x、的k阶微分.因此， J*f‘，:。，..…二:。。、一典(二(。，，…，、乞。，)J、，， 口x‘ i二l，…，n;k=l，2，“’， Jl.八.K邓P只a邺B撰【补注】关于参考文献，见微分学(d迁免比ntial以Ia习璐)与微分(山价此ntial).王斯雷译
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