supported by the National Key R&D Program of China (No.2022YFC3004602);the National Natural Science Foundation of China (No.52325404);the Shenzhen Science and Technology Program (No.JCYJ20220818095605012).
Rock discontinuities such as joints widely exist in natural rock masses,and wave attenuation through rock masses is mainly caused by discontinuities.The displacement discontinuity model(DDM)has been widely used in the...
Project supported by the National MCF Energy R&D Program(Grant No.2022YFE03190100);the National Natural Science Foundation of China(Grant Nos.12422513,12105035,and U21A20438);the Xiaomi Young Talents Program.
Controlled nuclear fusion represents a significant solution for future clean energy,with ion cyclotron range of frequency(ICRF)heating emerging as one of the most promising technologies for heating the fusion plasma.T...
Project supported by the National MCF Energy Research and Development Program(Grant No.2022YFE03190100);the National Natural Science Foundation of China(Grant Nos.12422513,12105035,and U21A20438);the Xiaomi Young Talents Program。
The electromagnetic wave propagations and their coupling characteristics in magnetized plasma near the antenna of ion cyclotron range of frequencies(ICRF)is studied based on self-developed 3DFEM-IA code.This code effe...
support provided to the first author by the Natural Science Foundation of China(No.52201371);the Postdoctoral Science Foundation of China(No.2021M692043);the Postdoctoral Excellence Program of Shanghai(No.2021200)is gratefully acknowledged.
Zero Poisson’s ratio(ZPR)mechanical metamaterials can yield no transverse displacements when unidi-rectionally compressed,and cylindrical sandwich meta-structures composed of semi re-entrant(SRE)ZPR metamaterials are...
supported by the national natural science foundation of China(Grant No.12172297);the open foundation of state key laboratory of structural analysis for industrial equipment(GZ22106);the fundamental research funds for the central universities.
In this work,a tacticity strategy is proposed to adjust the mechanical properties of chiral mechanical metamaterials for vibration isolation.By applying the finite element method,the impact of tacticity on tensile def...
supported in part by R & D Department of China National Petroleum Corporation (2022DQ0604-01);National Natural Science Foundation of China (42204132);the China Postdoctoral Science Foundations (2020M680667, 2021T140661);Harvard-CUP Joint Laboratory on Petroleum Science;“111” project (B13010);the financial support from the CAS Special Research Assistant Project。
Seismic wave propagation in fluid-solid coupled media is currently a popular topic. However, traditional wave equation-based simulation methods have to consider complex boundary conditions at the fluid-solid interface...
supported by the National Natural Science Foundation of China(Nos.12172012 and 11802005)。
Curved-beams can be used to design modular multistable metamaterials(MMMs)with reprogrammable material properties,i.e.,programmable curved-beam periodic structure(PCBPS),which is promising for controlling the elastic ...
supported by the National Natural Science Foundation of China(Nos.12272219,12372019,12072222,12132010,12021002,and 11991032);the Open Projects of State Key Laboratory for Strength and Structural Integrity of China(No.ASSIKFJJ202303002);the State Key Laboratory of Mechanical Behavior and System Safety of Traffic Engineering Structures of China(No.SKLTESKF1901);the Aeronautical Science Foundation of China(No.ASFC-201915048001)。
The suppression of low-frequency vibration and noise has always been an important issue in a wide range of engineering applications.To address this concern,a novel square hierarchical honeycomb metamaterial capable of...
Several studies on functionally graded materials(FGMs)have been done by researchers,but few studies have dealt with the impact of the modification of the properties of materials with regard to the functional propagati...
This work was supported by the National Natural Science Foundation of China(NSFC)(Nos.12104358,12104361,and 92050103);Shaanxi Fundamental Science Research Project for Mathematics and Physics(No.22JSZ004).
We experimentally demonstrate the generation of customized Laguerre–Gaussian(LG)beams whose intensity maxima are localized around any desired curves.The principle is to act with appropriate algebraic functions on the...