Results 21 to 30 of about 21,357,317 (281)

Three-dimensional icosahedral phase field quasicrystal [PDF]

open access: yes, 2016
We investigate the formation and stability of icosahedral quasicrytalline structures using a dynamic phase field crystal model. Nonlinear interactions between density waves at two length scales stabilize three-dimensional quasicrystals.
Alastair M. Rucklidge (7161047)   +3 more
core   +6 more sources

Simulation of three-dimensional temperature field in high-frequency welding based on nonlinear finite element method

open access: yesNonlinear Engineering, 2023
In modern industrial production, many advanced manufacturing technologies are constantly developing with the progress of social sciences. Welding, as an indispensable manufacturing technology in industrial production, has received close attention from ...
Tang Lun, Yang Minge, Hou Zhihua
doaj   +1 more source

Anisotropic three-dimensional MHD turbulence [PDF]

open access: yes, 1996
Direct spectral method simulation of the three-dimensional magnetohydrodynamics (MHD) equations is used to explore anisotropy that develops from initially isotropic fluctuations as a consequence of a uniform applied magnetic field.
Matthaeus, William H.   +7 more
core   +1 more source

High-temperature magnetic stability of small magnetite particles [PDF]

open access: yes, 2003
The stability of magnetic domain structures of small grains of magnetite were examined between room temperature and the Curie temperature using a high-resolution three-dimensional micromagnetic algorithm.
Williams, W.   +5 more
core   +1 more source

On-chip THz studies of low-dimensional semiconductor systems [PDF]

open access: yes, 2013
A wide range of novel on-chip integration techniques were developed to explore the low-temperature perturbation of GaAs/AlGaAs based confined electron systems at terahertz frequencies.
Mistry, Divyang Kishore
core   +6 more sources

NON-STATIONARY THREE-DIMENSIONAL TEMPERATURE FIELD IN A MULTILAYER CYLINDER

open access: yesPROBLEMS OF ATOMIC SCIENCE AND TECHNOLOGY. SERIES: NUCLEAR AND REACTOR CONSTANTS, 2020
The problem of determining a non-stationary three-dimensional temperature field in a k-layer cylinder of length is solved. There is a symmetrically located cylindrical cavity in the center of this body. The absence of a cavity is a special case of the problem. In each layer, there are heat sources, depending on the coordinates and time.
A Zaytsev   +3 more
openaire   +1 more source

A three-dimensional hydro-environmental model of Dublin Bay [PDF]

open access: yes, 2011
This paper compares a 3-dimensional hydro-ecological model with a 2-dimensional model simulating the distribution and fate of Escherichia Coli (E.Coli) discharges from a sewage treatment plant discharging into Dublin Bay, Ireland. Before being discharged,
Dowley, Aodh   +7 more
core   +1 more source

Three dimensional simulation and experiment of plane grinding temperature field based on temperature matching method

open access: yesJin'gangshi yu moliao moju gongcheng, 2020
To accurately predict temperature field changes of the surface and subsurface workpiece, based on the principle of anti-heat source and the actually measured grinding temperature, using the temperature matching method, a heat source model of the contact ...
JIANG Peijun
doaj  

Modeling three-dimensional rough surface and simulation of temperature and flow field in laser transmission welding

open access: yesJournal of Advanced Joining Processes, 2020
s: The traditional Laser Transmission Welding (LTW) simulation method assumes that the welding contact interface is smooth. However, the actual welding interfaces exhibit a large number of rough surfaces.
C.Y. Wang   +5 more
doaj   +1 more source

Evolution Law of Three-Dimensional Non-Uniform Temperature Field of Tunnel Construction Using Local Horizontal Freezing Technique

open access: yesApplied Sciences, 2022
The formation quality of a frozen wall is one of the prerequisites for tunnel excavation using artificial ground freezing techniques. However, the non-uniformity of temperature distribution along the length direction of the freezing pipe is often ignored
Changqiang Pang   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy