Investigation of the stress reduction and temperature increase due to ultrasonic vibrations with different amplitudes during compression tests of steels with varying specimen sizes [0.03%]
不同振幅超声振动下钢的压缩试验中的应力降低与温度升高研究——试样尺寸的影响
Markus Burmeister,Eberhard Kerscher
Markus Burmeister
High-frequency vibrations in the ultrasonic range influence the plasticity of metals during metal forming: there is stress and force reduction during ultrasonic treatment compared to metal forming without ultrasound. Different reasons for t...
Use of ultrasonic treatment as a pre-phase in the shear flocculation process [0.03%]
超声处理在剪切絮凝过程中的作用研究
Alper Ozkan,Kiraz Esmeli
Alper Ozkan
The use of ultrasonic energy has mostly been investigated for the flotation process in mineral processing, but its application to flocculation with collectors is extremely limited. Therefore, in this study, the effect of ultrasound in the s...
Deep learning algorithm for predicting subacromial motion trajectory: Dynamic shoulder ultrasound analysis [0.03%]
基于深度学习的肩关节超声影像分析及肩峰下撞击判定模型预测研究
Yi-Chung Shu,Yu-Cheng Lo,Hsiao-Chi Chiu et al.
Yi-Chung Shu et al.
Subacromial motion metrics can be extracted from dynamic shoulder ultrasonography, which is useful for identifying abnormal motion patterns in painful shoulders. However, frame-by-frame manual labeling of anatomical landmarks in ultrasound ...
A multi-GPU and CUDA-aware MPI-based spectral element formulation for ultrasonic wave propagation in solid media [0.03%]
基于CUDA感知MPI的谱元法在固体介质中声波传播的多GPU实现方案
Feilong Li,Fangxin Zou,Jing Rao
Feilong Li
In this paper, we introduce a new multi-GPU-based spectral element (SE) formulation for simulating ultrasonic wave propagation in solids. To maximize communication efficiency, we purposely developed, based on CUDA-aware MPI, two novel messa...
Higher harmonics dynamic focalization in single-element ring transducers using biaxial driving [0.03%]
用于单环换能器的双轴驱动高次谐波动态聚焦方法研究
Sagid Delgado,Laura Curiel,Siyun Li et al.
Sagid Delgado et al.
Biaxial driving is a new driving technique that allows the steering of the ultrasound field generated by a single-element piezoceramic transducer. Because of their natural axisymmetric geometry, ultrasound generation with ring transducers c...
Transient viscoelastic heating characteristics of polyethene under high frequency hammering during ultrasonic plasticizing [0.03%]
超高频锤击下聚乙烯超声塑化过程中的瞬态黏弹性生热特性研究
Wangqing Wu,Zhiying Shan,Yuanbao Qiang et al.
Wangqing Wu et al.
As a polymer molding technology developed in recent years, ultrasonic plasticizing micro-injection molding has great advantages in the manufacture of micro-nano parts by virtue of low energy consumption, less material waste and reduced fill...
Dual-drug loaded ultrasound-responsive nanodroplets for on-demand combination chemotherapy [0.03%]
按需联合化疗的双重药物加载型声波响应纳米液滴
Catalina-Paula Spatarelu,Sidhartha Jandhyala,Geoffrey P Luke
Catalina-Paula Spatarelu
Phase-changing nanodroplets are nanometric sized constructs that can be vaporized via external stimuli, such as focused ultrasound, to generate gaseous bubbles that are visible in ultrasound. Their activation can also be leveraged to releas...
Nathan Molinier,Guillaume Painchaud-April,Alain Le Duff et al.
Nathan Molinier et al.
The Full Matrix Capture (FMC) and Total Focusing Method (TFM) combination is often considered the gold standard in ultrasonic nondestructive testing, however it may be impractical due to the amount of time required to gather and process the...
Research on the influence of stress wave on crack and chip formation mechanism in radial ultrasonic vibration assisted grinding [0.03%]
径向超声振动辅助磨削应力波对裂纹和切屑形成影响的研究
Zhenyu Yang,Ping Zou,Liang Zhou et al.
Zhenyu Yang et al.
The propagation of stress waves in the ultrasonic vibration grinding zone was studied and analyzed in this paper and the microscopic mechanism of ultrasonic vibration assisted grinding is clarified by combining the method of finite element ...
F Hervin,P Fromme
F Hervin
Guided ultrasonic wave propagation in anisotropic structures results in directional dependency of velocity and wave skewing effects that can impact the accuracy of damage detection. Phase and group velocities of the A0 guided wave mode, pro...