Acoustic source localization using three L-shaped sensor clusters for highly anisotropic plates by linear and nonlinear Lamb waves [0.03%]
基于线性和非线性兰姆波的用于各向异性板声源定位的三个L形传感器群的方法研究
Huapan Xiao,Shenxin Yin,Yilin Wu et al.
Huapan Xiao et al.
Anisotropic materials are of significant interest for major structural applications, where fast and accurate acoustic source localization (ASL) of damages is crucial for structural assessment and maintenance. Existing ASL methods for highly...
Waveguide-based in-process ultrasound inspection and imaging in harsh environments: advances and challenges [0.03%]
基于波导的极端环境下加工过程中的超声检测与成像：进展与挑战
Cherif Othmani,David Weik,Zehua Dou et al.
Cherif Othmani et al.
Process engineering often requires continuous monitoring of structural health in components exposed to chemically aggressive environments or high temperatures. Examples include thermal solar power plants, where liquid-metal heat-transfer fl...
Reconstructing effective ultrasound transducer models via distributed source inversion [0.03%]
基于分布式源反演的医用有效超声换能器模型重建方法
Tim Bürchner,Simon Schmid,Ernst Rank et al.
Tim Bürchner et al.
Accurate modeling of ultrasound wave propagation is essential for high-fidelity simulation and imaging in ultrasonic testing. A primary challenge lies in characterizing the excitation source, particularly for transducers with large aperture...
Hadamard-encoded synthetic beamforming for high frame rate acoustoelectric current source imaging [0.03%]
基于哈达玛编码的合成波束形成霍尔电流源成像 высокой скорости кадров
YeonJoon Cheong,Jinbum Kang,Nadia Abu Farha et al.
YeonJoon Cheong et al.
Acoustoelectric (AE) imaging can potentially image the current source density (CSD) in biological systems using ultrasound with high spatial and temporal resolution. However, existing approaches are limited by poor signal-to-noise ratio (SN...
Sparse wavefield reconstruction and defect indication in low-SNR laser ultrasonics using physics-informed neural networks [0.03%]
基于物理信息神经网络的低信噪比激光超声波稀疏重建与缺陷识别
Baoding Wang,Jiuzhang Li,Haodong Chen et al.
Baoding Wang et al.
Full-optical laser ultrasonics (LOU) provides broadband, non-contact wavefield measurements but is practically limited by low signal-to-noise ratios (SNR) and long scanning times. In these conditions, conventional interpolation and purely d...
Hybrid Ultrasonic Framework for CFRP-Steel Interfacial Defect Classification via Wavelet Packet Transform and Backpropagation ANN [0.03%]
基于小波包变换和反向传播BP人工神经网络的CFRP-钢界面缺陷分类混合超声框架
Zhuo Huang,Zhuoyi Chen,Sheng Tan
Zhuo Huang
The strengthening of steel structures with carbon fiber reinforced polymer (CFRP) composites has gained wide acceptance in civil engineering, yet interfacial bonding defects such as inclusion, delamination, and porosity can severely degrade...
Spatially-informed deep learning for full-field ultrasonic nondestructive evaluation [0.03%]
顾及空间信息的深度学习在全域超声无损评价中的应用研究
Cole N Maxwell,Joshua R Tempelman,Erica M Jacobson et al.
Cole N Maxwell et al.
This paper presents a deep-learning approach for estimating local material thickness from steady-state wavefield response measurements resulting from ultrasonic excitation of structural elements positioned at arbitrary angles from a scannin...
Fast wavenumber-domain reconstruction for 3-D plane wave imaging with row-column addressed arrays [0.03%]
基于行列寻址的三维平面波快速超声成像算法
Xu Gu,Mu Chen,Letian Gan et al.
Xu Gu et al.
Ultrasonic row-column addressed (RCA) arrays enable volumetric imaging with reduced channel count while maintaining a large aperture. With full matrix capturing (FMC) data and total focusing method (TFM) reconstruction, RCA probes can deliv...
CFREE-uPIV: A contrast-free resolution-enhanced ultrasound particle image velocimetry for rapid microvascular flow imaging [0.03%]
一种无对比剂的微血管血流超声粒子图像 velocimetry 技术
Yunlong Zhao,Jiabin Zhang,Daichao Chen et al.
Yunlong Zhao et al.
Microvascular hemodynamic abnormalities are closely implicated in the onset and progression of many diseases, and often precede overt clinical symptoms, highlighting the importance of their early and quantitative assessment. However, existi...
Ultrasonic-induced nucleation kinetics in directed energy deposition [0.03%]
基于激光定向能量沉积的超声诱导凝固组织控制研究
Lichao Zhang,Zelong Yu,Jingyuan Chen et al.
Lichao Zhang et al.
The nucleation kinetics activated by ultrasonic vibrations in ultrasonics assisted directed energy deposition (UADED) remains unknown and poses a challenge. The ultrasonic volume force and heat enhancement terms are incorporated to the ultr...