The relationship between heads relative displacement and sheets maximum deformation is deduced by circularfunction forming model.
通过圆函数变形模型，推导出两种典型零件成形中压头压入行程与板料最大变形量的函数关系。
2
Double Angle formula can transform the circularfunction equation to a biquadratic algebraic equation, and the analysis solution can be solved by extract equation directly.
用倍角公式可将该三角函数方程转化成一个四次代数方程，然后用求根公式直接求出解析解。
3
In Listing 2 a circular reference is created by calling the external function myFunction.