加权余量法（Weighted residual approach），又称加权残量法，加权残余法。当 n 有限时，定解方程存在偏差（余量）。取权函数，强迫余量在某种平均意义上为零。采用使余量的加权积分为零的等效积分的“弱”形式来求得微分方程近似解的方法称为加权余量法。
应用加权余量法推导出单元刚度矩阵和单元载荷矩阵。
The element stiffness and load matrices are derived by Galerkin's weighted residual method.
本文建立了分析粘弹流体平面流的基本方程，并采用摄动法和加权余量法。
Fundamental equations for the analysis of plane flow of elastic-viscous fluid are established.
应用加权余量法于动力相似非耦联方程，建立了结构实验的动力模拟势能原理。
Next, dynamic simulated potential energy principle for structural experiments is established by applying weighted residual method to the dynamic similarly non-coupled equations.
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