求解有阻尼多自由度结构系统的振动微分方程,实模态分析法是得到广泛应用的一种有效方法。
The dynamic response of the damping multi-DOF structural system is usually calculated by the real modal analysis method.
通过X射线衍射、拉曼散射、原子力显微分析(afm)等表征方法研究薄膜结构与生长条件的关系。
The relationship between thin films structure and preparation parameters was studied by X-ray diffraction, Raman scattering and AFM.
通过岩相显微分析确定了炉尘中未消耗煤粉和焦炭存在的不同结构形态。
The structure of unconsumed pulverized coal is different from that of coke according to petrographical microanalysis.
用电子显微分析方法研究了氧化锆陶瓷水中材料的微观结构特征,分析了材料的微观结构对力学性能的影响因素。
The microstructure of ceramics waterway material is studied by electronic microscopy, and the effect of the microstructure of the material on the mechanical properties is analysed.
结合微分几何的曲线论和分布荷载作用下索的受力模型,研究了索膜结构中边索、脊索和谷索的受力分析和形状分析。
Combined the curve theory of differential geometry and the cable model applied distributed load, form analysis and tension analysis of boundary cable, ridge cable and valley cable were performed.
本文给出了一个预报波浪诱导的船舶垂向运动和结构总体动响应的非线性时域水弹性力学微分分析法。
This paper presents a nonlinear hydroelastic differential analysis method of wave-induced vertical motions and structural responses of ships.
采用金相、扫描电镜、显微硬度及电子探针显微分析等手段对结合界面区域的组织结构、显微硬度变化及元素扩散进行了研究。
The structure, microhardness change and element change in the zone of bonding interface were studied by means of metallograph, SEM, microhardness and EPMA, etc.
本文首先详细分析了微分干涉相衬显微镜的光学系统原理,然后对显微镜光机结构做了简要分析。
In this dissertation, the keystone of Differential Interference Contrast Microscope is analyzed, and the optics and machine frame of Microscope is illuminated briefly.
第4章主要解决了齿面的参数化和微分几何结构分析问题,它是实现三阶接触分析理论的基础。
Chapter 4 mainly solved the problems of tooth flank parameterization and the analysis of differential geometric structure, which is the theoretical basis to implement the third order contact analysis.
用此模型建立裂纹梁运动控制微分方程,这样,对于含裂纹结构可采用与无裂纹时同样的分析方法。
Differential equation of motion control of the cracked beam is set up using this model, so that the same analytical methods are applied as crack-free structure for the cracked.
本文基于结构动力修改,提供了修改的思路和方法:通过刘叠片联轴器联结的结构进行分析,利用有限元方法建立系统的力学模型以及系统扭转振动微分方程。
So structure parameters are needed to modify. This paper provides a good idea and effective methods based on the theory of structural dynamic modification to solve the problem.
通过扫描电镜、能谱分析仪和透射电子显微分析技术,确定了合金的凝固组织、相成分及二十面体准晶的结构。
The microstructure, composition and phases of the alloy were analyzed by SEM and EDS. The icosahedral quasicrystal structure was identified by TEM.
通过扫描电镜、能谱分析仪和透射电子显微分析技术,确定了合金的凝固组织、相成分及二十面体准晶的结构。
The microstructure, composition and phases of the alloy were analyzed by SEM and EDS. The icosahedral quasicrystal structure was identified by TEM.
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