Explanipedia

Extremal micropolar materials for elastic wave cloaking Open

Dandan Sun, Yi Chen, Xiaoning Liu, Gengkai Hu · 2025

Structural basis of a human antibody targeting SARS-CoV-2 nucleocapsid protein dimerization domain and interfering with RNA-binding Open

Shifeng Xue, Suhua He, Zhaoxia Huang, Mei Yang, Gengkai Hu , et al. · 2025

The transition of SARS-CoV-2 into a recurrent, seasonal pathogen has underscored the need for the induction of durable immune protection. The nucleocapsid (N) protein is regarded as a promising complementary target for therapeutic and vacc…

Toward Sustainable Geohazard Assessment: Dynamic Response and Failure Characteristics of Layered Rock Slopes Under Earthquakes via DEM Simulations Open

Fangfei Li, Guoxiang Yang, Dengke Guo, Xiaoning Liu, Xiaoliang Wang , et al. · 2025

Understanding the dynamic response and failure mechanisms of rock slopes during earthquakes is crucial in sustainable geohazard prevention and mitigation engineering. The initiation of landslides involves complex interactions between seism…

Torsional Vibration Suppression in Multi-Condition Electric Propulsion Systems Through Harmonic Current Modulation Open

Hanjie Jia, Gengkai Hu, Xiangyang Xu, Liang Dong, Changzhao Liu · 2025

Electric helicopters represent a pivotal component in the advancement of urban air mobility (UAM), with considerable potential for future development. The electric propulsion system (EPS) is the core component of these systems. However, th…

Impedance of Evanescent Modes for Determining Interface States in One-Dimensional Chain Open

Dan Guo, Dongwei Wang, Yi Chen, X. Liu, Gengkai Hu · 2025

Interface states and edge states in periodic structures have been extensively investigated in the context of topological dynamics over the past decades. In this study, we propose an impedance method based on surface impedance to analyze in…

The optimization of drill rig structure based on the solid isotropic material with penalization Open

Hong Zhang, Yan Su, Lun Wang, Yuxiang Zhu, Gengkai Hu , et al. · 2025

This paper presents the optimization design of a drill rig structure based on the Solid Isotropic Material with Penalization, aimed at enhancing its adaptability in engineering applications by reducing weight and improving mechanical perfo…

Innovative Design of Bifeo3/Go Anode for High-Performance Lithium-Ion Batteries Open

Xiaohuan Wang, Zhipeng Yuan, Gengkai Hu, Xinba Yaer, Hexige Wuliji · 2025

Innovative Design of Bifeo3/Go Anode for High-Performance Lithium-Ion Batteries Open

Xiaohuan Wang, Zhipeng Yuan, Gengkai Hu, Xinba Yaer, Hexige Wuliji · 2025

Innovative Design of Bifeo3/Go Anode for High-Performance Lithium-Ion Batteries Open

Xiaohuan Wang, Zhipeng Yuan, Gengkai Hu, Xinba Yaer, Hexige Wuliji · 2025

Extremal Micropolar Materials for Elastic Wave Cloaking Open

Dongning Sun, Yi Chen, Xiaoning Liu, Gengkai Hu · 2025

The 2024 phononic crystals roadmap Open

Yabin Jin, Daniel Torrent, B. Djafari-Rouhani, Liangshu He, Yanxun Xiang , et al. · 2024

Over the past 3 decades, phononic crystals experienced revolutionary development for understanding and utilizing mechanical waves by exploring interaction between mechanical waves and structures. With the significant advances in manufactur…

Inherent Temporal Metamaterials with Unique Time‐Varying Stiffness and Damping Open

Zhiyuan Liu, Kaijun Yi, Haopeng Sun, Rui Zhu, Xiaoming Zhou , et al. · 2024

Time‐varying metamaterials offer new degrees of freedom for wave manipulation and enable applications unattainable with conventional materials. In these metamaterials, the pattern of temporal inhomogeneity is crucial for effective wave con…

Rayleigh surface waves of extremal elastic materials Open

Yu Wei, Yi Chen, Wen Cheng, Xiaoning Liu, Gengkai Hu · 2024

Extremal elastic materials here refer to a specific class of elastic materials whose elastic matrices exhibit one or more zero eigenvalues, resulting in soft deformation modes that, in principle, cost no energy. They can be approximated th…

Willis dynamic homogenization method for acoustic metamaterials based on multiple scattering theory Open

Zhanyu Li, Peixin Han, Gengkai Hu · 2024

This paper presents a spatial dispersive Willis dynamic homogenization method for acoustic metamaterials based on multiple scattering theory, which is valid for each physical dimension – 1D, 2D and 3D, and valid for arbitrary inhomogeneiti…

Magnetoactive asymmetric mechanical metamaterial for tunable elastic cloaking Open

Quan Zhang, Gengkai Hu, Stephan Rudykh · 2024

Elastic Birefringent Metamaterials and Quarter-Wave Plate Open

Yu Wei, Ming Cai, Gengkai Hu · 2024

Rayleigh Surface Waves of Extremal Elastic Materials Open

Yu Wei, Yi Chen, Wen Cheng, Xiaoning Liu, Gengkai Hu · 2024

Willis Dynamic Homogenization Method for Acoustic Metamaterials Based on Multiple Scattering Theory Open

Zhanyu Li, Peixin Han, Gengkai Hu · 2024

Dynamic Response and Failure Mechanism of Layered Rock Slope Under Earthquake Using Dem Modeling Open

Fangfei Li, D. Guo, Guoxiang Yang, Xiaoning Liu, Xiaoliang Wang , et al. · 2024

Underwater Directional Acoustic Source Based on Pentamode Material Open

Binghao Zhao, Peng Wang, Dongwei Wang, Gengkai Hu · 2023

An underwater directional acoustic emitter is conceived with a highly anisotropic lattice material, whose acoustic characteristics manifest strong dependence on the orientation of the lattice material’s principal axis. Exploiting these fea…

Video: Pancake-shaped freezing of a droplet impacting a supercooled surface: Evidence for a threshold temperature Open

Zhaoyuan Meng, Yubing Zhu, Jiguang Hao, Gengkai Hu, J. M. Floryan · 2023

A transformable anisotropic 3D penta-mode metamaterial Open

Zhibo Wei, Zhou Hu, Rui Zhu, Yan Chen, Gengkai Hu · 2023

Penta-mode metamaterials, composed by solids but behaving as liquid, have great potential in manipulating acoustic wave in fluids. Most work concentrates on 2D penta-mode metamaterial consisting of classic honeycomb lattice and their acous…

Deformation insensitive thermal conductance of the designed Si metamaterial Open

Lina Yang, Quan Zhang, Gengkai Hu, Nuo Yang · 2023

The thermal management has been widely focused due to its broad applications. Generally, the deformation can largely tune the thermal transport. The main challenge of flexible electronics/materials is to maintain thermal conductance under …

Some topics on elastic metamaterials Open

Gengkai Hu, Guoliang Huang · 2023

Engineering zero modes in transformable mechanical metamaterials Open

Zhou Hu, Zhibo Wei, Kun Wang, Yan Chen, Rui Zhu , et al. · 2023

In the field of flexible metamaterial design, harnessing zero modes plays a key part in enabling reconfigurable elastic properties of the metamaterial with unconventional characteristics. However, only quantitative enhancement of certain p…

Magnetic field-induced asymmetric mechanical metamaterials Open

Quan Zhang, A. V. Cherkasov, Nitesh Arora, Gengkai Hu, Stephan Rudykh · 2023

Magnetoactive Asymmetric Mechanical Metamaterial for Tunable Elastic Cloaking Open

Quan Zhang, Gengkai Hu, Stephan Rudykh · 2023

Deformation insensitive thermal conductance of the designed Si metamaterial Open

Lina Yang, Quan Zhang, Gengkai Hu, Nuo Yang · 2022

The thermal management have been widely focused due to broad applications. Generally, the deformation can largely tune the thermal transport. The main challenge of flexible electronics/ materials is to maintain thermal conductance under la…

Design of elliptical underwater acoustic cloak with truss-latticed pentamode materials Open

Yuanyuan Ge, Xiaoning Liu, Gengkai Hu · 2022

Customization of two-dimensional extremal materials Open

Ming Cai, Xiaoning Liu, Gengkai Hu, Pingzhang Zhou · 2022

Extremal materials are elastic metamaterials with rank-deficient elasticity tensor. Due to this novel property of the elasticity tensor, extremal materials (especially pentamode materials) show outstanding performance in various wave manip…

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