振动实验 meaning in English
vibration test
Examples
- This paper proves that the changes of pre - compression on the windings have effects on their natural frequencies and derives their relation , which provides the experimental and theories foundation for fault diagnosis of large - scale electric transformers
通过对大型变压器绕组进行振动实验和根据建立的变压器绕组轴向振动数学模型的理论推导,阐明了变压器绕组预紧力的变化与其固有频率变化之间的关系,这为大型变压器的故障诊断提供了理论与实践依据。 - With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment , the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth , which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action , the interaction between foundation and ground , the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis , correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness
本文综合参考了国内外其他学者的理论成果和实验结果,进行了如下研究工作:运用弹性半空间理论和土力学的知识,考虑土体特性和惯性作用、基础与地基的相互作用以及不同荷载形式等因素的影响,对动力机器基础进行了严密地理论分析,修正了地基刚度、参振土质量和动力影响深度的计算公式;利用专门用于有限元计算的大型分析软件supersap对地基基础体系进行了建模计算,根据实验分析,对有限元模型不断地进行修正和调整,使其更加符合实际情况,满足要求;通过振动实验对理论分析和有限元计算结果进行了验证;总结出了一些地基刚度的变化规律。 - The mento - carlo simulation was introduced to substitute the random vibration experiment . the random responses of hysteretic system gotten by the method of stochastic equivalent linearization were compared with mento - carlo simulations , and the feasibility of this method was exemplified by mento - carlo simulations
对于迟滞阻尼振动系统的非平稳响应,本文亦用monte - carlo法来代替随机振动实验进行了计算求解,并与随机等价线性化方法进行了比较与分析,例证了等价线性化方法处理迟滞阻尼振动系统随机响应的可行性。