natural period
英 [ˈnætʃrəl ˈpɪəriəd]
美 [ˈnætʃrəl ˈpɪriəd]
固有（自由振荡）周期
双语例句
- Natural period of vibration and parameters analysis for an opera house studio
某歌剧院演播厅自振特性及参数分析 - Study on natural period of homogeneous rock slope and its estimation method
均质岩石边坡自振周期及其估算方法研究 - Below are the conclusions: ① U nder the situation that the natural period is not long, the control effect to the structure is well when the slosh frequency the liquid in TLD is closed to the first natural frequency of the structure.
研究得到的主要结论有：①当结构的自振周期不很长，TLD中液体的晃动频率与结构的第一阶自振频率接近时，TLD对结构控制效果比较好。 - The calculation of the structural fundamental natural period is the critical problems of and-seismic calculation.
结构的基本自振周期的计算是抗震计算的关键问题之一。 - However, according to the results of detailed fatigue analysis to shallow water platforms with relatively large natural period, it is found that the fatigue life of few joints is less than designed requirements when the platforms satisfied the simplified fatigue analysis conditions.
但在对某些自振周期较大的浅水平台进行详细疲劳分析时发现，当平台完全符合进行简化疲劳分析条件时，个别管节点的疲劳使用期限低于设计要求。 - The magnitude of the response to impact on the basis of the one, degree of freedom model, and the ratio of the peak value of response to natural period of system is investigated.
讨论了断裂冲击值与断裂位置内力释放值的对应关系，通过单质点模型分析了冲击反应的量值范围，考察了冲击反应峰值与冲击作用时间和断裂发生后体系自振周期之比的关系。 - The experiment's results indicate that FPS is an effective isolated device which can length the natural period and reduce the earthquake effect on upper structure.
试验结果分析表明：FPS摩擦摆隔震装置能够有效地延长上部建筑物的自振周期，减少地震作用对上部结构的影响，隔震效果明显，不失为一种有效的隔震装置。 - According to axially natural period, the relation of the dynamic magnification factor vs the linearly loading time under linearly loading is deduced and presented.
推导并给出了轴向固有周期下线性加载动力放大系数随线性加载时间的变化关系。 - Study on the relation of predominant period of site and natural period of structure
场地卓越周期与结构基本周期关系研究 - The discussion for variety of structure's natural period in simulant FEA
有限元仿真分析中的结构周期差异探讨 - The Natural Period of Motions of FPSO in Shallow Water
浅水浮式生产储油轮运动固有周期特性 - Result indicates: Structural displacement response is largest as inputting Tianjin seismic waves, for its characteristic period is closed to the natural period of vibration of the model.
结果表明：由于天津波的特征周期与所采用模型的自振周期比较接近，因此输入天津波时反应最大； - In group A, when the eggs ripe in natural period, IUI was used.
A组为自然周期的卵泡成熟后采用IUI治疗； - It is important to select reasonable natural period of high-rise building in seismic design.
设计地震区的高层建筑时，选择结构的适宜自振周期是十分重要的。 - The paper presents the principle and methodology of the earthquake input for time-history seismic analysis of building structure that is based in design response spectrum and related to the seismic intensity, site condition, source mechanism and natural period of the structure.
本文对建筑结构抗震设计时程法所需的输入地震波提出一种基于规范反应谱的、与设防烈度、场地条件、设计近震或远震、结构自振特性有关的选择原则和方法。 - Therefore, in the design and research of FPSO in shallow water, the effects of the shallow water depth should be taken into account for determining the natural period of motions.
因此，在浅水FPSO的设计和研究中，关于运动固有周期参数的给定必须考虑水深的影响。 - The research indicated that all these factors have influences on the model precision, the natural period of the superstructure and mass ratio of the analysis model are the most sensitive two factors to the model precision.
研究表明，上述各因素对模型的分析精度都有影响，其中上部结构基本周期和模型分析参数质量比为两个较敏感因素。 - The analysis shows that the lead-rubber bearing is efficient for energy dissipation, which can lengthen the natural period of the structure, reduce the bending moment and shear force at the base of piers, and minimize the girder displacement.
分析表明：采用铅芯橡胶支座能延长结构的周期，减小桥墩底部的弯矩和剪力，并使剪力得以合理分配，同时梁体位移也不致过大，是一种有效的隔震装置。 - For such structural system composed of the main structure and steel tower, the integral dynamic properties can be solved approximately by Rayleigh-Ritz method with the natural period and vibration mode of the main structure and steel tower respectively.
对于这种主体结构和钢塔组成的组合体系，可以分别求出钢塔和主体结构各自的周期和振型，采用Rayleigh-Ritz法将其进行组合近似求解整体动力特性。 - This suggests that birth pulse, in effect, provides a natural period or cyclicity that allows for period-doubling bifurcations ( period-halving bifurcations) route to chaos.
这说明生育脉冲提供了从倍周期分支（半周期分支）到混沌的一个自然的周期，同时也使得系统的动力学行为变得更为复杂。 - The result of the analysis shows that consideration of stairs in calculating greatly affects the natural period, stiffness distributing and internal forces of members in frame structure. The effect becomes light in frame shear structure and can be ignored in shear wall structure.
结果表明，计入楼梯踏步板对框架结构的自振周期、刚度分布及构件内力影响较大，对框剪结构有一定影响，对剪力墙结构影响不大。 - The results show that, compared to natural period, contributions of climate change and human activities on runoff change calculated by the two methods are consistent.
结果表明：相对于天然阶段，在整个人类活动影响阶段，两种计算方法得到的气候变化与人类活动对径流影响的贡献量在大部分流域取得了比较一致的结果。 - Study on the influence of the infilled walls for the steel staggered truss structure about natural period and modal of vibration based on many analysis models.
通过对多个结构模型进行模态分析，研究了填充墙对钢交错桁架结构的自振周期及振型的影响。 - The isolated structure is to set the isolation layer between the floor of the building superstructure or between the superstructure and foundation, so as to extend the building natural period of vibration, which makes seismic action passed to structure over the isolation layer greatly reduced.
隔震结构是通过在建筑物上部结构的楼层之间或在上部结构与基础之间设置隔震层，来延长建筑物的自振周期，使得传递给隔震层以上结构的地震作用大大减小。 - The performance of the controller depends mainly on natural period of ship roll motion and non-dimensional roll damping coefficient.
控制器的性能对船舶自然横摇周期和无因次横摇衰减系数有着很大的依赖关系。 - Traditional base isolation is realized by adding base isolation systems between the structure and foundation. The principle is to lengthen the natural period of the structure.
传统的基础隔震建筑通过在结构底部和基础之间增加隔震体系达到隔震效果，其原理在于延长结构自振周期。 - Infrastructure refers to the upper structure and Foundation of the building between the isolation layer to extend the natural period of the structure as a whole system, increase the damping, reducing the input of earthquake action of the superstructure.
基础隔震结构是指通过在建筑物上部结构与基础之间设置隔震层，来延长结构体系的自振周期、增大阻尼从而减小地震反应的结构。 - Experimental research and CFD results had proven that it is a reliable method to calculate the natural period of structure using equivalent mass of sloshing water instead of water mass when it consists of a tank.
模型试验和数值计算研究结果表明：用晃荡水体等效质量代替水体质量来计算结构的自振周期是一种较准确可靠的方法。