Impulse absorption by horizontal magnetic granular chain
Source abstract
Abstract
The granular medium is known as a protecting material for shock mitigation. We study the impulse absorption of an alignment of magnetic spheres placed horizontally under a non-uniform magnetic field. The phenomenon of the wave dispersion is presented. This system can absorb 85% ∼ 95% (88% ∼ 98%) of the incident peak force (energy) under the applied magnetic field strength in 0.1 T ∼ 1.0 T. The shock attenuation capacities are enhanced by the increment of field strength. With an intelligent control system, it is conceivable that the magnetic granular chain may offer possibilities in developing adaptive shock protectors.
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Research context
OpenAlex topics: High-pressure geophysics and materials · Nonlinear Photonic Systems · Astrophysics and Star Formation Studies
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Ocean University of China 1 Department of Mechanical and Electrical Engineering, , Qingdao, Shandong, 266100, China
Beihang University 2 School of Transportation Science and Engineering, , Beijing, 100191, China
Chinese Academy of Sciences 3 Institute of Advanced Manufacturing Technology, Hefei Institute of Physical Science, , Changzhou, Jiangsu, 213164, China
Funding
Fundamental Research Funds for the Central Universities · National Natural Science Foundation of China · China Postdoctoral Science Foundation
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