本文给出了一种从额外维度模型出发，通过边界条件的定义建立对称破缺机制的简单方法。
This article shows up a simple method of symmetry breaking mechanism which embark from the extra dimensional model and through boundary condition definition.
在二维导热模型的基础上，添加等热流、绝热边界条件，用Fortran语言编写数值计算程序进行计算，定义了相对误差。
Program was written in FORTRAN, basing on twodimensional heat conduction and adiabatic, constant heat flux boundary conditions. The relative error is defined.
详细介绍了有限元模型的建立，材料参数、边界条件及载荷的定义。
The construction of FEM model, material parameters, boundary conditions and loading definition are introduced in details.
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