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Yingyong Zou, Mukai Wang, Duhui Lu, Yongde Zhang, Zili Xu and Yeyin Xu
In the paper, nonlinear vibration characteristics of a rotor system are investigated. Such a nonlinear rotor system is subjected to brush seal forces, which are obtained by integrating the bristle force along the entire ring. The nonlinear brush seal rot...
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Alessandra Rosso and Ezio Venturino
We propose a way of dealing with invasive species or pest control in agriculture. Ecosystems can be modeled via dynamical systems. For their study, it is necessary to establish their possible equilibria. Even a moderately complex system exhibits, in gene...
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Yongjie Liu, Yu Jiang and Hengnian Li
We investigate the topological types and bifurcations of periodic orbits in the gravitational field of irregular bodies by the well-known two parameter analysis method. Results show that the topological types of periodic orbits are determined by the loca...
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Grzegorz Litak, Marek Borowiec and Krzysztof Da¸bek
We examine the nonlinear response of two planar pendula under external and kinematic excitations, which are very relevant as paradigmatic models in nonlinear dynamics. These pendula act under the action of an additional constant torque, and are subjected...
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Yiwei Liu, Yi Hu and Yong Kang
Natural fractures play a significant role in creating a fracture network simulation treatment. In this work, global cohesive elements were incorporated into the cohesive zone method to realize the unprompted propagation of a hydraulic fracture. The step-...
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Yong Qi, Mengzhe Qiu, Hefeifei Jiang and Feiyang Wang
The fingerprint is an important biological feature of the human body, which contains abundant biometric information. At present, the academic exploration of fingerprint gender characteristics is generally at the level of understanding, and the standardiz...
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Sanjay Giri, Angela Thompson, Gennady Donchyts, Knut Oberhagemann, Erik Mosselman and Jahangir Alam
This paper presents a hydraulic and morphological analysis of the Lower Jamuna in Bangladesh with a focus on two key bifurcations that are important for stabilization of the Lower Jamuna reach. We used ground measurements, historical data, multispectral ...
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Sambor Guze, Wojciech Wawrzynski and Przemyslaw Wilczynski
One of the significant problems in the safe operation of vessels is the behavior of the ship on the wave. Of all degrees of freedom, the greatest threat to the safety of a ship is associated with excessive rolling. One of the best methods to improve the ...
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Sarah Tymochko, Elizabeth Munch and Firas A. Khasawneh
Bifurcations in dynamical systems characterize qualitative changes in the system behavior. Therefore, their detection is important because they can signal the transition from normal system operation to imminent failure. In an experimental setting, this t...
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Marc R. Roussel
Delay-differential equations belong to the class of infinite-dimensional dynamical systems. However, it is often observed that the solutions are rapidly attracted to smooth manifolds embedded in the finite-dimensional state space, called inertial manifol...
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