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Jianguo Zhao, Yang Yu, Hao Xu, Rongtang Zhang, Yuxi Ma and Jialiang Li
Numerical seismic wave field simulation is essential for studying the dynamic responses in semi-infinite space, and the absorbing boundary setting is critical for simulation accuracy. This study addresses spherical waves incident from the free boundary b...
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James Brind
This paper derives and validates an analytical model for acoustic boundary conditions on a can-annular gas turbine combustion system composed of discrete cans connected to an open annulus upstream of a turbine. The analytical model takes one empirical pa...
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Anna Chiaradonna
The first step for learning any calculation code for seismic response analysis is an adequate understanding of how to properly set the boundary conditions and the properties of the soil model at the initial stage, i.e., before the shaking event. To pursu...
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Do-Hyun Ko and Seung-Hwan Boo
In this study, we propose effective formulations for modal, frequency response, and transient analyses using condensed matrices of the finite element (FE) model. Employing the iterated improved reduced system (IIRS) method, a transformation matrix is def...
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Yun Qin, Qinghua Song, Zhanqiang Liu and Jiahao Shi
In this paper, the vibration analysis of a partially constrained layer damping plate subjected to moving loads is investigated. In addition, the first four order damping loss factor of the system is optimized with the location of partially constrained la...
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Han Qin and Luyu Li
The conclusions acquired in this paper can be used for assessing damping modeling errors in multiple support excitation problems. The modeling method proposed in this paper can be used for both spectral analysis, linear or nonlinear time history analysis...
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Álvaro Rodríguez Luis, José Antonio Armesto, Raúl Guanche, Carlos Barrera and César Vidal
A numerical model to study the towing maneuver for floating and submerged bodies has been developed. The proposed model is based on the dynamic study of a catenary line moving between two bodies, one body with imposed motion, and the other free to move. ...
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Jianxiong Li, Xiaodong Yang, Anping Hou, Yingxiu Chen and Manlu Li
Aerodynamic damping predictions are critical when analyzing aeroelastic stability. A novel method has been developed to predict aerodynamic damping by employing two single time-domain simulations, specifically, one with the blade impulsed naturally in a ...
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Feng Gao and Wei Sun
For the purpose of improving the working reliability of the blisk (integrally-bladed disk) under severe environment, a passive vibration reduction method by depositing a hard coating on both sides of blades is developed and then investigated systematical...
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