By introducing proper Westergaard’s stress function,the stress fields for mode Ⅰ and Ⅱ problems of periodic cracks in orthotropic composites were analyzed using the complex variable function method and approach of undetermined coefficients.
通过引入适当的Westergaard应力函数,采用复变函数方法和待定系数法对含周期性裂纹正交各向异性纤维增强复合材料板的Ⅰ型、Ⅱ型问题中裂纹尖端附近的应力场进行了力学分析。
参考来源 - 含周期性裂纹正交各向异性板平面问题的应力场分析·2,447,543篇论文数据,部分数据来源于NoteExpress
Line integrals are used extensively in the theory of functions of a complex variable.
在复变量函数理论中广泛使用线积分。
Computation of the complex integral is very important content in teaching complex variable function.
复变函数积分计算是复变函数课程教学的一个非常重要的内容。
When Z is assigned the meaning of a complex variable, problem of "closed form" of formal power series emerges.
当指定Z为复数变元时,就有了形式幂级数的“变换”函数,即闭合形式的问题。
I think that book will give you all the basic principles you need in calculus of one variable, more variables, elementary complex numbers, maybe solving some problems with vectors and so on, which you're going to get into.
我想那本书会给你所需的所有基本知识,包括一元和多元微积分,简单的复数运算,可以解决一些与矢量有关的问题,而这正是你们将要学的
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