动力学修改 Structural Dynamics Modification
Thus, it's necessary to improve the design of rig substructure or better the dynamic characteristic of substructure that is being used by dynamic modification.
所以改进钻机底座的设计或对现役钻机底座进行动力修改以改善其动态特性，很有必要。
参考来源 - 钻机底座振动研究及动态设计This method is firstly used on the dynamic analysis of the gear with the microcomputer. This is the basic step of structural dynamic modification or the others' dynamic computation in engineering using the installed stiff and mass matrix.
在微机上将双协调自由界面模态综合法应用于航空齿轮动 态特性的研究，为结构动力修改或其它需要总刚阵及总质量阵的动态工程计算寻求了一种有 效途径。
参考来源 - 一种结构的动态特性计算方法及应用研究 The Calculating Method and Applying Study of a Structure′s Dynamic Property·2,447,543篇论文数据，部分数据来源于NoteExpress
本文提出一种结构局部动力修改逆问题的求解方法。
A method for solving inverse problems of structural local dynamic modification is proposed in this pa-per.
首次将模态试验分析和动力修改技术引进到大圆筒码头。
Techniques of modal tests and dynamic modification are applied to the analysis of large cylindrical wharf structures.
其分析结果可以为其结构改进、优化设计和动力修改提供理论依据。
The result also can be applied for the theoretical basement in the structural improvement, optimal design and dynamic modification.
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