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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 ...
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Gabriel Castro and Grover Zurita
There have been steadily growing requirements from the academia and industry, demanding non-invasive methods and reliable measurement systems of research devoted to operational mode analysis (OMA). Due to the simplicity of performing only structures surf...
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Jun Ren and Qiuyu Cao
This paper proposes a method of structural modification for the assignment of natural frequencies and mode shapes based on frequency response functions (FRFs). The method involves the addition of masses or stiffness (supporting stiffness or connection st...
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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...
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Sandro Amador, Mahmoud El-Kafafy, Álvaro Cunha and Rune Brincker
Recently, a lot of efforts have been devoted to developing more precise Modal Parameter Estimation (MPE) techniques. This is explained by the necessity in civil, mechanical and aerospace engineering of obtaining accurate estimates for the modal parameter...
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Tingjian Wang, Xinxin Ma, Liqin Wang, Le Gu, Longcheng Yin, Jingjing Zhang, Liwei Zhan and Dong Sun
In this paper, a three-dimensional thermoelastic contact model of coated solids with the frictional heat partition considered is developed by introducing a frictional heat partition model. The influence coefficients of the temperature rise, normal displa...
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