The research background and significance of structure dynamic optimization are described briefly.
阐述结构动力学优化设计的研究背景和意义。
First, modal analysis, discuss dynamic characteristics of the Mega Sub Structure dynamic characteristics.
首先进行了模态分析，研究了巨子型结构的动力特性。
Aiming at potential problems, the structure dynamic modification is made by means of sensitivity analysis.
同时针对结构存在的问题，通过灵敏度分析对结构的动力修改提出了改进意见。
The accurate calculation of complex structure dynamic stress has not been fully solved in structure dynamics.
复杂结构动态应力的准确计算是一个没有圆满解决的问题。
Modal parameters extraction of the mechanical structure is the basis for the mechanical structure dynamic analysis.
机械结构模态参数的提取是机械结构动力学分析的基础。
In this paper, the dynamic analysis for sliding isolated structures considering the soil structure dynamic interaction is performed.
介绍了考虑土结构动力相互作用的滑移隔震结构的动力分析方法。
The seismic response analysis method of transmission tower in consideration of pile-soil-structure dynamic interaction is presented.
提出了考虑桩-土-结构动力相互作用的输电塔地震反应分析方法。
To improve methods on crop structure dynamic model, the paper put towards controllable structure model on the base of growth function.
为了完善作物形态结构动态模型建立的方法，在基于生长方程理论建模的基础上，提出了可控式模型的建立方法。
The isolated structure model considering human-structure dynamic interaction is more objective, and the human responses can be also obtained.
考虑人体与结构耦合作用后不仅使隔振动力模型更加真实，还可以直接获得人体的动力响应。
The absorbed energy by structure is adopted as the objective function, and it is a trial in the filed of building structure dynamic optimization.
文中以地震作用下吸收能量最小为目标对框架结构进行的动力优化是建筑结构优化领域中一种较新的尝试。
The effects of material nonlinearity, damping, initial geometric imperfection and initial static load on structure dynamic stability have been analyzed.
分析材料非线性、阻尼、初始几何缺陷、初始静荷载等因素对结构动力稳定性的影响。
The influence of vertical rigidity ratio in transfer story is greater than that of transfer story position and box height on structure dynamic property.
转换层上下刚度比对结构的动力特性影响，较转换层位置和箱体高度影响大。
Those conditions are such as: after considering soil-structure dynamic interaction, there are same characteristics in the dynamic analysis of structures;
同时研究了包括存在土-结构相互作用时结构动力分析的特点；
In order to achieve the unification of low voltage, low power and super high speed, the article applies an improved common-gate structure dynamic load latch.
为了使电路性能达到低电压、低功耗与超高速的统一，本文采用一种改进型共栅结构的动态负载锁存器。
Modern mechanical structure dynamic design is produced in the background, and it is one of the hot fields studied of the vibration engineering in these years.
现代机械结构动态设计就是在这个背景下应运而生的一种科学设计方法，也是近年来振动工程界开展的最广泛的研究领域之一。
Analyzed is the effect which the modal characteristic of the structure and its conjunction-part to the structure dynamic characteristic according to the test.
通过模态试验分析了机车结构模态特性对结构动态性能的影响。
Considering the geometrically nonlinear remarkable character, the structure dynamic character during the whole suspension bridge construction must be further studied.
结合悬索桥几何非线性的显著特点，对悬索桥进行施工全过程动力特性要进一步分析。
The problem of human-structure dynamic interaction need to be considered when the dynamic responses of structure and human occupants under ambient vibration are studied.
在研究环境振动下结构和人体的动力响应时，有必要考虑人与结构的相互作用。
According to the calculating methods of current rotor structure dynamic characteristics, a general calculating program of analyzing aero-engine rotor system is developed.
结合现有的转子结构动力特性计算方法，开发出分析航空发动机转子系统动力特性的通用计算程序。
The dynamic processing method using high modal is given in the complex-modal synthesis technology using free boundary for structure dynamic analysis with the hysteresis damping.
用自由界面的复模态综合法对具有迟滞阻尼的结构进行动力分析。
Through FEA calculation, the motorcycle structure dynamic property is optimized in order to improve the comfortableness, which is a very important factor in the motorcycle design.
通过有限元计算，优化车架动态特性，提高摩托车既适性，对摩托车设计具有重要意义。
In this paper, based on the variational principle of minimum complementary energy, the method of minimum complementary energy is put forward in calculating structure dynamic stress.
本文以最小余能原理为基础，提出了计算结构动态应力的最小余能法。
In this paper, the effects and analysis methods for soil-structure interaction are reviewed. Some practical problems on soil-structure dynamic interaction are analysed and discussed.
对土-结构动力相互作用的效应和分析方法作了简要的回顾，对上-结构动力相互作用几个实际应用问题进行了分析讨论。
The natural frequency and vibration mode are the principal modal parameters representing structure dynamic behavior as well as the important basis for evaluating bridge dynamic performance.
固有频率和振型是反映结构动力特性的主要模态参数，是评价桥梁动力性能的重要依据。
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of main - building and connected structure are analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性，结构变形特点。
In this paper, a method USES to calculate structure dynamic response is proposed, which is based on the three parameter reliability model and perturbation probabilistic finite element method.
将可靠性分析三参数法与摄动概率有限元法相结合，提出了一套求解结构体动态响应概率分布的方法。
By using seismic response spectrum and time history analysis method, the structure dynamic characteristics and deformation properties of the main building and connected structure were analyzed.
本文采用地震反应谱分析和时程分析方法，分析了主体和高位连接体结构的动力特性及结构变形特点。
In the structure dynamic performance, nature frequency is a very important parameter, the in-depth analysis on nature frequency is the research base of external prestressing concrete structure.
结构动力特性中，自振频率是反映结构自身特点的重要参数，深入分析体外预应力结构的自由振动频率是研究体外其动力特性的基础。
In the structure dynamic performance, nature frequency is a very important parameter, the in-depth analysis on nature frequency is the research base of external prestressing concrete structure.
结构动力特性中，自振频率是反映结构自身特点的重要参数，深入分析体外预应力结构的自由振动频率是研究体外其动力特性的基础。
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