For the analysis and calculation of such kind of bearing the Reynolds' equation is directly solved by the finite differential method with inequal steps.
利用不等步长有限差分法直接求解雷诺方程，进行轴承的分析计算。
Theoretical analysis is done on the static and dynamic characteristics of the structure, differential equations are presented, and it is also verified by the finite element method.
同时对机构进行了静态和动态特性理论分析，提出了机构静态和动态计算解析式，并用有限元方法对机构动态和静态特性进行了验证。
Secondly, the principle of finite element analysis of electromagnetic field is studied, Maxwell equations and differential equations are stated.
第二，本文研究了电磁场有限元分析原理，介绍了麦克斯韦方程和电磁场微分方程。
On this heat transfer model the differential equations were based, and the finite difference complete concealed grids were used in the numerical analysis computation.
根据喉部沉积的传热模型建立了偏微分方程组，采用有限差分完全隐式格式进行数值分析计算。
A numerical model of bottom-hole assembly was developed and the differential equations of finite element for its dynamic analysis were derived.
建立了底部钻具组合动态分析的数值模型，推导了动态分析的有限元微分方程。
A numerical model of bottom-hole assembly was developed and the differential equations of finite element for its dynamic analysis were derived.
建立了底部钻具组合动态分析的数值模型，推导了动态分析的有限元微分方程。
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