Results 41 to 50 of about 360,424 (294)
Nanoscale diffractive probing of strain dynamics in ultrafast transmission electron microscopy [PDF]
, 2017 The control of optically driven high-frequency strain waves in nanostructured systems is an essential ingredient for the further development of nanophononics. However, broadly applicable experimental means to quantitatively map such structural distortion
da Silva, Nara Rubiano +4 more
core +4 more sources
Advanced Engineering Materials, EarlyView.This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal +2 more
wiley +1 more source
Interactions in an Acoustic World: Dumb Hole
Advances in High Energy Physics, 2018 The present paper aims to complete an earlier paper where the acoustic world was introduced. This is accomplished by analyzing the interactions which occur between the inhomogeneities of the acoustic medium, which are induced by the acoustic vibrations ...
Ion Simaciu +3 more
doaj +1 more source
地质科技通报, 2023 The acoustic wave propagation characteristics of carbonate rocks have important application value. The systematic analysis of the effects of fluid type, fluid pressure, temperature and confining pressure on acoustic wave velocity and spectrum ...
Lianlang Hou +5 more
doaj +1 more source
Swimming Using Surface Acoustic Waves [PDF]
PLoS ONE, 2013 Microactuation of free standing objects in fluids is currently dominated by the rotary propeller, giving rise to a range of potential applications in the military, aeronautic and biomedical fields. Previously, surface acoustic waves (SAWs) have been shown to be of increasing interest in the field of microfluidics, where the refraction of a SAW into a ...
Bourquin, Y., Cooper, J.M.
openaire +3 more sources
Acoustic interaction forces between small particles in an ideal fluid [PDF]
, 2014 We present a theoretical expression for the acoustic interaction force between small spherical particles suspended in an ideal fluid exposed to an external acoustic wave.
Bruus, Henrik, Silva, Glauber T.
core +2 more sources
Stacking‐Engineered Magnonic Topology and Transport in Honeycomb Homobilayers
Advanced Functional Materials, EarlyView.ABSTRACT Topological magnons have emerged as a promising platform for dissipationless bosonic transport. However, a straightforward and effective strategy to engineer such topological states in real materials has yet to be fully realized. Here, a general scheme for controlling magnonic topological states via stacking engineering in van der Waals ...
Xiaoran Feng +6 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Bioprosthetic aortic valves have revolutionized the treatment of aortic stenosis, but their durability is limited by structural valve deterioration (SVD). This review focuses on the pericardial tissue at the heart of these valves, examining how its mechanical properties and calcification drive fatigue and failure.
Gabriele Greco +7 more
wiley +1 more source
Journal of Applied Fluid Mechanics, 2021 The hypersonic transient flow pass a blunt cone under three types of pulse disturbances is calculated using DNS. The response characteristic of hypersonic boundary layer among different types of pulse disturbance is compared.
X. Tang, J. Yu, H. Zhang, H. Li, M. Shi
doaj
Gong-kuang zidonghua, 2017 In view of problem that current researches mostly focused on mechanical properties of similar material of coal-rock, but not change law of acoustic wave velocity, similar material of coal-rock was made by use of raw materials of coal slime, sand, cement ...
ZHOU Jin, WANG Leisheng
doaj +1 more source