The method in this paper is much more convenient than that of Lekhniskii's with biharmonic function.
本文的方法比列赫尼茨基的重调和函数法更为简便。
2
Methods Using the fundamental solution of the biharmonic operator, the sequence of fundamental solutions is defined and theoretical derivation is given.
方法利用重调和算子的基本解，定义一基本解系列，进行理论推导。
3
The expression of the elastic field round the outside of the disk inclusion has been deduced analytically by the method of the harmonic and biharmonic potentials.