称为主自由度 master degree of freedom
Then,a FEM analysis with multi-purpose evaluation choice of a plate-type structure was performed to discuss the influences of distribution and number of master DOF on errors.
利用平板结构进行了多种主自由度选择方案的仿真对比分析,研究了主自由度数量和分布对计算误差的影响规律。
参考来源 - 主自由度对子结构静力凝聚模态分析的误差影响研究·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了子结构分析方法的基本原理，探讨了主自由度节点的一般选取原则。
First, the basic principle of substructure method is introduced briefly, and how to select master degree of freedom(DOF) is also discussed.
对压板松动时大型汽轮发电机定子端部单根绕组的两自由度主共振问题进行了研究。
Two degree of freedom principal resonance of generator end winding is studied when the clamping plates are loose.
用平均法研究了含预紧弹性约束的单自由度系统在简谐激励下的主共振及其稳定性。
The primary resonance and its stability of a harmonically forced oscillator with a pair of symmetric setup elastic stops are studied in this paper by means of average approach.
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