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。
The results of case calculations show that local models can shorten calculation time, raise the efficiency of mathematical model and heighten the accuracy of numerical calculations.
计算实例的结果表明，局部模型的使用既可以减少计算时间从而提高数学模型的效率，又可以提高局部海区潮流模拟的计算精度。
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