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。
Reasonable design, compact structure, opening and closing fast.
设计合理，结构紧凑，启闭迅速。
The utility model has the advantages of simple structure, fast and flexible opening and closing the mould and high productive efficiency.
本实用新型具有结构简单，开合模快速灵活、生产效率高的优点。
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