By comparing withfinite element method, the results show that QR-method boasts fewer unknown number, high precision, simple computation and strong adaptability, so it is an economical and effective computational method.

• 将本文方法与有限元方法进行对比，结果表明，该方法未知量少，精度高，计算简便，适用性强，是一种经济有效的计算方法。