110 citations · 247 across the 13 of their papers we have counts for
13 papers
Tunable topological phase transition in soft Rayleigh beam system with imperfect interfaces
Tao Feng, Letian Gan, Shiheng Zhao +7
Acoustic metamaterials, particularly the topological insulators, exhibit exceptional wave characteristics that have sparked considerable research interest. The study of imperfect i…
Elastic Wave Propagation and Bandgaps in Finitely Stretched Soft Lattice Material
Shiheng Zhao, Tao Feng Han Zhang, Yang Gao +1
In this study, the in-plane Bloch wave propagation and bandgaps in a finitely stretched square lattice were investigated numerically and theoretically. To be specific, the elastic…
Elastic wave velocities in finitely pre-stretched soft fibers
Shiheng Zhao, Zheng Chang
Elastic wave velocity in a soft fiber that varies depending on material constitution and axial stress level is an essential measure of mechanical signals in many technical applicat…
Shear-wave manipulation by embedded soft devices
Linli Chen, Chao Ma, Pingping Zheng +2
Hyperelastic transformation theory has proven shear-wave manipulation devices with various functions can be designed by utilizing neo-Hookean material with appropriate pre-deformat…
A Linear Strain Energy Function for Hyperelastic Transformation Method
Linli Chen, Chao Ma, Zheng Chang
Hyperelastic transformation method provides a promising approach to manipulate elastic waves by utilizing soft materials. However, no existing constitutive model can rigorously ach…
Longitudinal elastic wave control by pre-deforming semi-linear materials
Dengke Guo, Yi Chen, Zheng Chang +1
An incremental wave superimposed on a pre-deformed hyper-elastic material perceives an elastic media with the instantaneous modulus of the current material. This offers a new route…
Elastic wave propagation in simple-sheared hyperelastic materials with different constitutive models
Linli Chen, Zheng Chang, Taiyan Qin
We investigate the elastic wave propagation in various hyperelastic materials which subjected to simple-shear deformation. Two compressible types of three conventional hyperelastic…
Stable Band-Gaps in Phononic Crystals by Harnessing Hyperelastic Transformation Media
Yan Liu, Zheng Chang, Xi-Qiao Feng
The band structure in phononic crystals (PCs) is usually affected by the deformations of their soft components. In this work, hyperelastic transformation media is proposed to be in…
Design Omnidirectional Wave Absorbers by Transformation Method
Zheng Chang, Gengkai Hu
A general conformal mapping is proposed to design omnidirectional broadband wave absorbers by transformation method. When applied to electromagnetic (EM) and acoustic waves, the ex…
Transformation Ray Method: Controlling High Frequency Elastic Waves
Zheng Chang, Jin Hu, Xiaoning Liu +1
A transformation method based on elastic ray theory is proposed to control high frequency elastic waves. We show that ray path can be controlled in an exact manner, however energy…
Controlling elastic wave with isotropic transformation materials
Zheng Chang, Jin Hu, Gengkai Hu +2
There are great demands to design functional devices with isotropic materials, however the transformation method usually leads to anisotropic material parameters difficult to be re…
An approximate method for controlling solid elastic waves by transformation media
Jin Hu, Zheng Chang, Gengkai Hu
By idealizing a general mapping as a series of local affine ones, we derive approximately transformed material parameters necessary to control solid elastic waves within classical…
Design method for quasi-isotropic transformation materials based on inverse Laplace's equation with sliding boundaries
Zheng Chang, Jin Hu, Xiaoming Zhou +1
The deformation method of transformation optics has been demonstrated to be a useful tool, especially in designing arbitrary and nonsingular transformation materials. Recently, the…