By traditional 3d finite element analysis, it is impossible to obtain these results.
这个结果在传统的三维杆系有限元分析中是不可能得到的。
The noise attenuation characteristics of complex muffler are investigated by 3D finite element analysis based on the study on simple muffler.
在利用三维有限元法研究简单结构的消声器的声学消声性能基础上，对于复杂结构的消声器进行了声学性能预测。
In 3d finite element analysis of structure failure process, large scale numerical analysis has increased the demand for high-performance computing.
结构开裂和破坏过程的三维有限元分析，对大规模数值计算提出了很高的要求。
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