Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Bilong Liu"'
Autor:
Andrew T. Peplow, Bilong Liu
Publikováno v:
Foundations, Vol 4, Iss 2, Pp 205-224 (2024)
This paper introduces an efficient computational procedure for analyzing the propagation of harmonic waves in layered elastic media. This offers several advantages, including the ability to handle arbitrary frequencies, depths, and the number of laye
Externí odkaz:
https://doaj.org/article/b4b6d96d04714cfdabe48ae619702490
Publikováno v:
Actuators, Vol 13, Iss 10, p 385 (2024)
To address the demand for low noise and high stealthiness in ships and other vessels, this paper innovatively proposes an inertial magnetic levitation actuator based on non-uniform-sized Halbach permanent magnet arrays. To improve control accuracy, i
Externí odkaz:
https://doaj.org/article/c7be98fe1fad447f94060fd34341f9ed
Publikováno v:
Acoustics, Vol 5, Iss 2, Pp 414-428 (2023)
The control of decentralized velocity feedback on curved aircraft plates under turbulent boundary layer excitations is numerically investigated in this paper. Sixteen active control units are set on the plate to reduce the vibration and sound radiati
Externí odkaz:
https://doaj.org/article/6805bf0b2eeb4e1a9b70e3339b5fd3fc
Publikováno v:
Micromachines, Vol 15, Iss 5, p 566 (2024)
This study establishes thermodynamic assumptions regarding the growth of condensation droplets and a mathematical formulation of droplet energy functionals. A model of the gas–liquid interface condensation rate based on kinetic theory is derived to
Externí odkaz:
https://doaj.org/article/e24d9997003e4a1aa11f613e807acef6
Publikováno v:
Metals, Vol 14, Iss 1, p 63 (2024)
In order to increase the strength of Al-Zr alloys, which are promisingly used for heat-resistant conductors, the coupling effect of Mn addition (0.16 wt.% and 0.88 wt.%) and deformation on the precipitation, mechanical, and electrical properties of a
Externí odkaz:
https://doaj.org/article/19b553556d68479c868b482b4630cec6
Publikováno v:
Polymers, Vol 15, Iss 14, p 3051 (2023)
To investigate the sound absorption of the absorber composed of a shunt loudspeaker (SL) and porous materials (PM) in tandem, the normal absorption coefficients for six samples of different groups of parameters are measured using impedance tubes. It
Externí odkaz:
https://doaj.org/article/23617de85f6d445685ade2e222ad3358
Publikováno v:
Journal of Marine Science and Engineering, Vol 11, Iss 5, p 1065 (2023)
Underwater pressure-bearing structures are produced in practice by means of pressure self-enhancement methods in order to improve the stress distribution and enhance the pressure-bearing performance. On the other hand, the pairs equation shows that s
Externí odkaz:
https://doaj.org/article/f9cda7e185fa42918966b5cdcc71ae0a
Publikováno v:
Results in Physics, Vol 35, Iss , Pp 105416- (2022)
The topological interface state in the one-dimensional periodic structure is difficult to be flexibly applied to practical engineering. Here we construct a ubiquitous sandwich structure with periodic semi-circular holes to realize the topological wav
Externí odkaz:
https://doaj.org/article/707bf44b58ec495d9200136f545d5d39
Publikováno v:
Polymers, Vol 14, Iss 18, p 3751 (2022)
Viscoelastic material can significantly reduce the vibration energy and radiated noise of a structure, so it is widely used in lightweight sandwich structures. The accurate and efficient determination of the frequency-dependent complex modulus of vis
Externí odkaz:
https://doaj.org/article/b6a3887ac7c64538b48d057efe32ab58
Publikováno v:
Actuators, Vol 11, Iss 7, p 189 (2022)
A ball screw type energy regenerative active suspension under fractional order PID control is proposed and studied in order to improve the vibration damping performance of the suspension. A mathematical model of the energy regenerative actuator is es
Externí odkaz:
https://doaj.org/article/587c50c0485d4a60a808064961a29203