The construction of shape functions, applicability, and merits of such element are discussed.
文中叙述了这类元素形状函数的构造方法，适用性和优缺点。
This software package can calculate electric field in different stress cone shape by finite element method, and can present following functions: drawing equipotential line;
开发的软件包对不同的应力锥形状下的场强采用有限元方法进行计算并提供以下功能：画出任意电位的等位线；
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