|
|
|
|
|
Yuantian Qin, Yucheng Zhang, Vadim Silberschmidt and Luping Zhang
The location identification of dynamic load is an important part of load-identification technology. Traditional methods are mostly aimed at the identification of dynamic load?s amplitude and phase. A new method for dynamic load location identification is...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessandro Zanarini
Spatially dense operative deflection shapes and receptances, acquired in broad frequency bands, increase the detail in the spatial and frequency domains of the responses of parts in actual dynamic loading, manufacturing and mounting conditions. This work...
ver más
|
|
|
|
|
|
|
|
|
|
|
Fanhao Meng, Yong Ma, Yongjun Xia, Yimin Ma and Ming Jiang
This paper investigates system identification algorithms for modal identification of frame structures, such as a suspension bridge and an overhead transmission line-crossing frame, using ambient vibration measurements. The modal identification procedures...
ver más
|
|
|
|
|
|
|
|
|
|
|
Veronika Vala?ková and Jozef Melcer
The article is dedicated to a numerical and experimental analysis of the basic natural frequencies of a bridge structure. It presents the results obtained using the finite element method and the frequency response functions applied in two variants, using...
ver más
|
|
|
|
|
|
|
|
|
|
|
Xiong Wang, Wei Liu, Jifeng Ding, Yi Sun and Yongbing Dang
The initiating explosive shock environment of an aerospace mission has the characteristics of instantaneity, high amplitude and a wide frequency domain. An improved method based on the acceleration frequency response function (FRF) and virtual mode synth...
ver más
|
|
|
|
|
|
|
|
|
|
|
Changkun Yu, Zhigang Wu and Chao Yang
With the increasing bandwidths of servo control systems and decreasing mode frequencies, aeroservoelastic (ASE) stability evaluation has become an essential part of flight vehicle design. However, the theoretical method is limited by the modeling errors ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Gee-Soo Lee and Chan-Jung Kim
Microcracks of depth less than 200 µm in mechanical components are difficult to detect because conventional methods such as X-ray or eddy current measurements are less sensitive to such depths. Nonetheless, an efficient microcrack detection method is req...
ver más
|
|
|
|
|
|
|
|
|
|
|
Timo von Wysocki, Michael Leupolz and Frank Gauterin
Noise vibration and harshness (NVH) development often takes place in the later development phases. Shifting the optimization to the early digital development phase enables more parameters to participate in the optimization and leads to a more holistic de...
ver más
|
|
|
|
|
|
|
|
|
|
|
Yimeng Wu, Rui Zhu, Zhifu Cao, Ying Liu and Dong Jiang
Model updating plays an important role in dynamics modeling with high accuracy, which is widely used in mechanical engineering. In this paper, a model updating method using frequency response function (FRF) is proposed based on Sherman?Morrison formula, ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Enrico Armentani, Venanzio Giannella, Roberto Citarella, Antonio Parente and Mauro Pirelli
In this work, the vibration behavior of a 4-cylinder, 4-stroke, petrol engine was simulated by leveraging on the Finite Element Method (FEM). A reduced modelling strategy based on the component mode synthesis (CMS) was adopted to reduce the size of the f...
ver más
|
|
|
|
|
|