This method is available for solving large matrix equations with (Finite Element method) or Finite Differential Element method.
该方法克服了有限元或有限差分法需求解大型矩阵方程的困难，计算简单、结果可靠。
For the end, an equation of mass flux of jet about time deduced by the differential element method was compared to CFD results, and the influence of design parameters was analyzed.
最后利用微元法得到了射流流量随时间变化的函数关系式，并和数值模拟值进行了对比，分析了各设计参数的影响。
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。
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