In this paper, the vibration characteristics of frame foundation for steam turbine generator set is performed by model modal test method.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
This paper presents a synthesized model updating method using the modal parameters and frequency response functions(FRF) extracted from the vibration test data.
文章提出了一种利用模态参数和由振动试验数据求得的频响函数来进行模型修正的方法。
In this paper, the vibration characteristics of frame foundation for steam turbine-generator set are performed by model modal test method.
采用模型模态试验方法对汽轮发电机组框架式基础的振动特性进行了研究。
With common modal test method of structure, a modal test is carried out in some locomotive car body steel structure.
文章主要介绍了一种比较常用的模态试验方法和某型电力机车车体钢结构模态试验。
Through model's modal test, the method of modal test for continuous arched bridge is proved reliable and can obtain satisfied results.
通过对模型的模态试验,证明对连拱结构,模态试验的方法是可靠的,能够取得较好的效果;
A test modal analysis of the damage about the shaft structure components is analyzed by the pulse-excitation method.
利用脉冲激励法对轴结构件损伤状况进行了试验模态分析。
In this paper, a modal test method for quality evaluation of masonry structures is presented.
给出了一种砌体结构质量的振动模态检测方法。
ARMAX model method and subspace-based state space method were used to process the flight flutter test data, and identify the flutter modal parameters of aircraft.
论文使用了现代参数辨识技术的ARMAX模型递推法和状态子空间辨识法,对飞行颤振试验数据进行处理,辨识飞机的颤振模态参数。
Compared calculation with practice test, this paper puts forward the dynamic mechanics modal which near the practice condition, right calculate formula and method and creditable test result.
理论计算和实际测试结果的比对表明,本文提出的动态力学模型与实际情况较接近,计算公式和计算方法正确,测试结果可信。
Theory analysis of dynamics modal, solving method and calculate formula of large quayside container crane dynamic coefficient of lifting, and practice test is processed.
对确定大型岸桥起升动载系数的力学模型、求解方法和计算公式等进行了理论研究,并进行了实际测试。
Modal measurement and analysis method of vehicle emission test were discussed.
研究了汽车工况法排放测试的模态试验方法及分析方法。
A test method of measuring rigid modal behavior of column rotor helicopter on landing gear is suggested in this paper.
本文基于模态分析理论和试验技术,提出了一套测定纵列式旋翼直升机在起落架上的刚体模态特性试验方法。
Ambient vibration test is the main method of detecting a large bridge structure, Modal parameters is important to determine the health status of the bridge.
环境振动试验是检测大型桥梁结构的主要方法,检测得到的模态参数是判定桥梁健康状况的重要依据。
Based on the wind tunnel test, aerodynamic modal force spectrums of twin-tower tall building are studied using surface integral method of rigid model.
在双塔楼风洞试验基础上,采用刚性模型表面风压积分法对双塔高层建筑气动力谱进行了研究。
The error analysis proves that this method can realize the exact identification of the structure boundary support stiffness if the modal test results are of enough accuracy.
误差分析表明,如果模态试验结果具有足够的精度,用本文方法能够准确地实现结构边界支承刚度识别。
During the model test, integrity modal parameters are obtained via the single-input multi-output analysis method. The reliability of tests signals is also evaluated by the coherence function.
模态测试时,利用单点(多激振点)激励多点响应模态试验分析方法来获取完整模态参数,引入相关函数分析测试信号的可靠性。
The accuracy of model and its method is verified by modal test. The construction and analysis of the frame model is very important to the virtual development of the new IVECO car.
通过与车架模态试验结果对比,验证了模型和建模方法的准确性,对IVECO新车型的虚拟开发具有重要意义。
The method is used to identify modal parameters of a satellite. Comparing with the modal test, the results are fairly well, which shows the validity of identifying modal parameters using sine…
并利用该方法对某型号卫星进行模态参数识别,与模态试验相比,结果比较理想,从而实现了利用正弦振动试验的数据提取模态参数的目的。
In this paper the modal parameters and dynamic characters of Fuziling multiarch dam are discussed by means of prototype test and calculation by finite element method.
通过原体动力试验及有限元计算讨论了佛子岭连拱坝支墩的模态参数及动力特性。
What is presented in this paper is a method of finite element model updating via design parameters using test modal data.
本文提出了一种设计参数型的有限元模型修正方法。
A practical procedure of Double-Least-Square approach in ITD method of modal parameters is programed and the simulataneous identification test is conducted.
本文编制了模态参数时域识别的双最小二乘法程序,并进行了模拟试验。
The finite element model of the tower is further dynamically updated according to ambient vibration test through modal sensitivity based model updating method.
在此基础上,采用基于灵敏度分析的模型参数修正方法,结合索塔动力特性的测试结果对索塔的初始有限元模型进行了动力修正。
Modal calculation of resonant bending system was made with the finite element method, and the results are validated by the modal test.
进一步进行了试验系统的有限元模态计算,并利用模态测试对有限元计算的有效性进行了验证。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性,成功求得了其固有振动频率和振型函数,计算结果得到试验验证。
Vibration characteristic was calculated by using finite element transfer matrix method of multibody system and modal test was completed for a certain naval gun.
使用有限元传递矩阵法分析了某大长径比弹箭的固有振动特性,成功求得了其固有振动频率和振型函数,计算结果得到试验验证。
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