The structural dynamic characteristic sensitivity is widely applied to modification of the dynamic structure and the diagnose trouble.
结构动特性灵敏度在动力学结构修改和故障诊断中被广泛地应用。
In this paper, the research of topology optimization under the static loads and structural dynamic characteristic topological optimization is individually presented.
本文分别对基于概率的连续体结构的静力拓扑优化和动力特性拓扑优化进行了研究。
The extended transfer matrix of the structural vibration analysis is derived by using the expansion to the transfer matrix to solve structural dynamic characteristic analysis.
对求解结构固有频率的传递矩阵进行扩阶，推导了链式机械系统振动分析的扩阶传递矩阵算式。
The branch Mode Method is used to reckon missile's structural dynamic characteristic, and the whole missile is regarded to be composed of three branches-the fuselage, the wings and the rudders.
以分枝模态法为基础，将全弹分成弹身、弹翼和舵面三个分枝，建立全弹结构动力学模型。
The vibration characteristic of launch tube in launching state can reflect the dynamic performance and the structural rationality of launch system, and it will influence the shooting precision.
定向器束在发射状态下的振动特性能够反映发射系统动态性能和结构的合理性，并且会影响火箭、导弹武器系统的射击精度。
The results show that the different structural parameters of the high-pressure common-rail injector have strong effects on the dynamic characteristic, injection rate and cycle fuel injection quantity.
结果表明：高压共轨喷油器不同结构参数对其动态特性、喷油率及循环喷油量等性能指标有很大的影响。
A new dynamic characteristic modification method is proposed for structural optimum design and modification.
提出一种动态特性调整的新方法以满足结构优化设计调整要求。
In paper, the structural static strength and dynamic characteristic of pole? Tower of aerial power? Delivery line are analyzed and discussed with the finite element analysis.
主要利用有限元方法对架空送电线路杆塔进行结构强度和结构动力学特性分析。
Therefore, if the mapping relationship between structural damage and dynamic characteristic shifts can be established, the damage can be diagnosed by using dynamic measurements of the structures.
由于结构的动力特性和结构参数直接相关，结构的损伤将引起相应动力特性的改变。
Therefore, if the mapping relationship between structural damage and dynamic characteristic shifts can be established, the damage can be diagnosed by using dynamic measurements of the structures.
由于结构的动力特性和结构参数直接相关，结构的损伤将引起相应动力特性的改变。
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