By using influencing factor of fictitious force to reform the boundary integral equation of homogeneous rocks, the equation met the boundary conditions of subarea media of complex rocks.

• 引入虚拟力影响项改造均质岩体的边界积分方程,使其满足复合岩体分区介质的边界条件和区界联结条件,采用样条插值函数将分区介质的边界积分方程离散为代数方程组。