Directional beam multiplexing using cylindrical holographic acoustic metasurfaces integrated with surface wave reflectors [0.03%]
基于表面波反射器的圆柱形全息声学超构表面定向光束复用研究
Md Tausif Akram,Pinaki Mazumder,Kyungjun Song
Md Tausif Akram
Recent advancements in acoustic metasurfaces have significantly improved beamforming and steering capabilities, with beam multiplexing emerging as a key enabler of multidirectional sound projection. This paper proposes a cylindrical hologra...
Particle levitation in tone-burst-excited half-wavelength ultrasonic standing waves in cylindrical microresonator [0.03%]
微柱形共振器中声驻波的粒子操控实验研究
Nahae Kim,In-Hwan Yang
Nahae Kim
Electrical signals driving piezoelectric transducers in acoustofluidic applications are crucial for acoustic manipulation efficiency, as sinusoidal wave excitation at the resonance frequency determines the acoustic radiation force in applic...
Adaptive sampling for efficient Lamb wavefield reconstruction in composite laminates with Spatial-Temporal Masked AutoEncoder [0.03%]
基于时空掩模自编码器的复合材料层合板高效兰姆波场重建自适应采样方法
Dingcheng Ji,Wenhao Li,Fei Gao et al.
Dingcheng Ji et al.
The increasing demand for high-accuracy damage quantification in carbon fiber reinforced plastics (CFRP) has led to the widespread adoption of ultrasonic Lamb wave testing (ULWT) for non-destructive testing (NDT) in various engineering appl...
Ultrasonic pulse transmission through an acoustic barrier using a metamaterial with input impedance matching [0.03%]
具有输入阻抗匹配的超材料的声屏障透射性能研究
Junyong An,Chankyu Kim,Wonju Jeon
Junyong An
This study proposes an input impedance-matching metamaterial to enable the transmission of ultrasonic pulses by attaching to only one side of a barrier. The metamaterial facilitates ultrasonic pulse transmission through the barrier by mitig...
Experimental and numerical simulations of ultrasonic wave- multi-phase matter interactions in cement-based composites [0.03%]
水泥基复合材料中超声波-多相介质相互作用的实验与数值仿真研究
Sukanya Basu,Saptarshi Sasmal
Sukanya Basu
In the case of concrete, the predominant damages develop at the microscale level, mostly at a length lesser than the size of inclusions. Again, if the vibrational energy induced by the dynamic loading does not get effectively dissipated by ...
Lightweight frameworks for real-time crack monitoring in civil infrastructure [0.03%]
用于土木基础设施实时裂缝监测的轻量级框架
Vindhyesh Pandey,S S Mishra
Vindhyesh Pandey
Cracks in concrete buildings, pavements and bridges are important signs of structural deterioration and present serious concerns to integrity and safety. Tradionally, manual inspection has been in use to detect the cracks which is labour-in...
Design and performance of a novel mode-selectable piezoelectric ultrasonic transducer with controllable output trajectory [0.03%]
一种新型可切换模式的压电超声换能器及其可控输出轨迹设计与性能分析
Chuanming Jia,Hongjie Zhang,Xinyue Gao et al.
Chuanming Jia et al.
This study presents a novel mode-selectable piezoelectric ultrasonic transducer (PUT) with a traditional sandwich structure, developed through systematic integration of modular design, electro-mechanical equivalent four-terminal network met...
Composite layer formation on AZ91D magnesium alloy via temperature-assisted ultrasonic shot peening for enhanced wear resistance [0.03%]
基于温度辅助超声冲击的AZ91D镁合金复合强化层的形成及其耐磨性研究
Jinrui Xiao,Xu Liang,Sentao Diao et al.
Jinrui Xiao et al.
Developing high wear resistance is crucial for the application of magnesium alloy components under extreme service conditions. In this study, temperature-assisted ultrasonic shot peening (TUSP) incorporating graphene particles was applied t...
Validating sideband peak count-index (SPC-I) technique as a hybrid linear/nonlinear ultrasonic technique through numerical modeling and experiment [0.03%]
通过数值建模和实验验证边带峰值计数指数(SPC-I)技术作为混合线性/非线性超声波技术的有效性
Guangdong Zhang,Meng Wang,Othmane Achouham et al.
Guangdong Zhang et al.
The sideband peak count-index (SPC-I) technique has been widely used to assess material nonlinearity. However, its ability to capture true nonlinear responses of materials and structures has not convinced some researchers yet. This is becau...
Modeling nonlinear scattering of phospholipid-coated microbubbles in elastic media [0.03%]
弹性介质中磷脂包覆微气泡的非线性散射模型研究
Ali Rezaei,David Fernández Rivas,Guillaume Lajoinie et al.
Ali Rezaei et al.
Microbubble contrast agents are well-known in the biomedical field for their ability to enhance the contrast in ultrasound imaging and to facilitate targeted drug delivery within the body. Upon injection into the vasculature, these bubbles ...