The theoretical foundation of the user and the selection of some factors determine the calculation accuracy in the simulation of the architectural numerical wind tunnel.
数值风洞模拟要想获得理想的计算精度，依赖计算人员的理论基础及其在具体操作中对各种重要因素的选择。
Numerical examples demonstrate that the presented method can greatly increase the accuracy of calculation of the self-interaction and near-interaction impedance matrix elements.
数值实验表明该方法能够大幅提高自作用和近作用阻抗矩阵元素的计算精度。
Numerical examples show the method have the characters that the calculation is easier, the accuracy is higher and it can find out the stability of any one strut.
计算结果表明，这个方法具有计算简便，精确度较高，可以计算任一根压杆稳定性的特点。
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