The stress fields of such structure around the opening were predicted using a three-dimensional, higher-order fast multipole boundary element method.
为精确模拟该结构的应力状况，该文提出一种三维高阶快速多极边界元法。
The results show that the higher-order, fast multipole boundary element method can be applied to large problems with high numerical accuracy for engineering designs.
研究结果表明，高阶快速多极边界元法易于分析此类大规模问题，并具有很高的数值计算精度，满足工程设计的要求。
The results indicate that the higher order element exhibits better convergence than the lower order element in all cases without imposition of natural boundary conditions.
结果表明，在所有情况下，与低阶元素相比，高阶元素均显出有较好的收敛性。
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