The die with complicated shape expressed in numerical method has large amount of computation and complicated contact judgment algorithm.
对于复杂形状模具采用数值法,其运算量较大、接触判断算法较为复杂。
参考来源 - 体积成形有限元分析接触问题解析算法的研究The research result provided the effective calculational model and numerical method for the design and analysis of composite flywheels. And it offered thevaluable reference to similar rotor structures and composite structures.
本文的研究成果为复合材料飞轮的设计与分析提供了有效的计算模型和数值计算手段，同时为类似的复合材料结构件转子的研制与开发提供了有价值的参考。
参考来源 - 混合动力客车飞轮电池中高速复合材料飞轮的设计与仿真Due to the complex structure and parameters, optical waveguide can get strict exact solutions except for several limited structure and refractive rate distribution, and most non-uniform waveguide has no exact solutions,only soluted by the approximate method and numerical method.
由于结构和参数复杂,除有限的几种结构和折射率分布,光波导具有严格的精确解之外,绝大多数非均匀波导没有精确解,只能用近似法和数值法求解。
参考来源 - 基于有限元方法的平板波导场模分析·2,447,543篇论文数据，部分数据来源于NoteExpress
A numerical method for analyzing the microstrip balun is presented.
提出了一种分析微带天线巴仑的数值方法。
It is of practical interest to give an efficient numerical method for solving the equations.
对这类方程给出一种有效的数值求解方法具有一定的实际意义。
Based on the differential scheme, a numerical method of pricing compound options is presented.
提供一种基于有限差分格式的数值方法为复合期权定价。
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