1. The second kind of boundary integral equations are uesd on different boundary, and the double-equation boundary element method for biharmonic equation is gutted. 对不同边界都采用第二类积分方程，得到了三维重调和方程的双方程方法。
2. The boundary conditions at simply supported boundary and fixed boundary of a slab. 板的简支边和固定边的边界条件。
3. The water table aquifer boundary which is connected with bedrock is an impermeable boundary, the others are first boundary that the water level is known. 潜水含水层在北西洮儿河冲洪积扇形地与基岩相接处为隔水边界，其它均为已知水位的一类边界。
4. The water table aquifer boundary which is connected with bedrock is an impermeable boundary, the others are first boundary that the water level is known. 潜水含水层在北西洮儿河冲洪积扇形地与基岩相接处为隔水边界，其它均为已知水位的一类边界。
5. This model considers free surface boundary, flux boundary, horizontal flow barrier, well boundary, non-linear characteristics of soils and dynamic change of permeability coefficient with stress state. 该模型考虑了自由面边界、流量边界、基坑围护连续墙、井边界、土体非线性特性、土的渗透性随应力状态的变化。
网络释义
A theoretical study of asymptotic boundary conditions for the numerical solutions of open-boundary static electromagnetic-field problems 马西奎 , 韩社教;
borderline boundary confine foul line limit outskirts verge 边界;
