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Articles by Aobo Li
Diatom Cribellum‐Inspired Hierarchical Metamaterials: Unifying Perfect Absorption Toward Subwavelength Color Printing (Adv. Mater. 33/2024)
Xin Zhang Department of Mechanical Engineering, Boston University, Boston, MA, 02215 USA Photonics Center, Boston University, Boston, MA, 02215 USA Division of Materials Science and Engineering, Boston University, Boston, MA, 02215 USA Search for more papers by this author
Generative models for simulation of KamLAND-Zen
Eur. Phys. J.
Diatom Cribellum‐inspired Hierarchical Metamaterials: Unifying Perfect Absorption Towards Subwavelength Color Printing
Diatom exoskeletons, known as frustules, exhibit a unique multilayer structure that has attracted considerable attention across interdisciplinary research fields as a source of biomorphic inspiration. These frustules possess a hierarchical porous structure, ranging from millimeter-scale foramen pores to nanometer-scale cribellum pores.
Numerical Analysis of Cyclic Impact Damage Evolution of Rock Materials under Confining Pressure
Abstract : To study the effect of cyclic impacts and confining pressure on the damage evolution of rock materials, numerical simulations of cyclic impact tests on rock materials under confining pressure were carried out by LS-DYNA using dynamic relaxation and full restart analysis. The static confining pressure was applied by dynamic relaxation, and cyclic impacts were realized by full restart analysis.
Dynamic Mechanical Behavior of Rock Specimens with Varying Joint Roughness and Inclination under Impact Load
Open AccessArticle by Pu Yuan 1,2,3, Aobo Li 1,*, Changning Chen 1 and Qinghe Zhang 1,2,3 1 School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan 232001, China 2 State Key Laboratory of Mining Response and Disaster Prevention and Control in Deep Coal Mines, Anhui University of Science and Technology, Huainan 232001, China 3 Engineering Research Center of Underground Mine Construction, Ministry of Education, Anhui University of Science and...
Time-moduated nonreciprocal metasurface absorber for surface waves
Abstract We have investigated a magnet-free, nonreciprocal surface wave absorber based on high impedance surfaces (HISs) using a spatial-temporal modulation approach. By controlling embedded switches with a travelling wave, the HIS metasurface is modulated to break the time and spatial symmetry, which enables surface waves to propagate in one direction but be absorbed when propagating in the reverse direction. The nonreciprocity has been demonstrated by an EM-circuit co-simulation.
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