加权残值法解多边形截面杆的弯曲问题

Solving the Bending Problem of the Bar withPolygonal Cross Section by the Method of Weighted Residue

先简化方程，然后在边界上用加权残值法求得这一问题的解答。

First of all, this paper simplifies the basic equation, then the solution of the problem can be obtained by means of the method of weiqhted residue on the boundaries.