approximate boundary value

基本解释

By using the transformation and the perturbation method, the nonlinear displacement equations are linearized, and the approximate boundary value problems are obtained.
利用变换和摄动法将非线性位移方程线性化，得到了近似边值问题。
The nonlinear governing equations are solved numerically by a finite-difference method with a simple approximate open-boundary condition as an initial-boundary value problem.
非线性偏微分方程组按初-边值问题用有限差分法数值求解，这里包括对开边界条件的近似处理。
A method for abtaining good approximate solutions to nonlinear diffusion -reaction boundary value problems in porous catalyst pellets is presented according to the large parameter assumption.
基于大参数的假设提出了求解多孔催化剂内部非线性扩散—反应边值问题近似解的方法。