By using Green function, the boundary integral formula and natural boundary integral equation for the boundary value problems of biharmonicequation were obtained.
利用Green函数，根据双调和方程边值问题的边界积分公式和自然边界积分方程。
2
It is not only introduced the two measures taken to solve the biharmonic equations, but the topical grids of H-type, C-type, and O-type are generated with this equation.
文中不仅对数值求解双调和方程的两种不同方法作了介绍，还利用该方程生成了典型的H型、C型、O型网格。
3
According to the nature of two-dimensional biharmonic equations, this paper obtains a polynomial solution of the biharmonicequation for stress function by means of the MATHEMATICA software.