Results 31 to 40 of about 134,405 (257)

Cylindrically symmetric Green’s function approach for modeling the crystal growth morphology of ice [PDF]

open access: yes, 1999
We describe a front-tracking Green’s function approach to modeling cylindrically symmetric crystal growth. This method is simple to implement, and with little computer power can adequately model a wide range of physical situations. We apply the method to
Libbrecht, Kenneth G.
core   +1 more source

A Robust Approach for the Derivation of Closed-form Green's Functions [PDF]

open access: yes, 1995
Cataloged from PDF version of article.Spatial-domain Green’s functions for multilayer, planar geometries are cast into closed forms with two-level approximation of the spectral-domain representation of the Green’s functions.
Aksun, M. I.
core   +1 more source

Calculation of Green's Function for Poisson's Equation in Plane Polar Coordinates

open access: yesTrends in Computational and Applied Mathematics
A new calculation of Green's function for Poisson's equation in plane polar coordinates is presented. The method consists in first calculating the solution to the simpler problem, but with the same Green's function, that is obtained with the ...
R. T. Couto
doaj   +1 more source

2D topological matter from a boundary Green's functions perspective: Faddeev-LeVerrier algorithm implementation

open access: yesSciPost Physics, 2022
Since the breakthrough of twistronics a plethora of topological phenomena in correlated systems has appeared. These devices can be typically analyzed in terms of lattice models using Green's function techniques. In this work we introduce a general method
Miguel Alvarado, Alfredo Levy Yeyati
doaj   +1 more source

Geometry Dependent Current-Voltage Characteristics of ZnO Nanostructures: A Combined Nonequilibrium Green’s Function and Density Functional Theory Study [PDF]

open access: yes, 2009
Current-voltage I-V characteristics of different ZnO nanostructures were studied using a combined nonequilibrium Green’s function and density functional theory techniques with the two-probe model.
Li, Tingju   +3 more
core   +2 more sources

MATRIX GREEN’S FUNCTION OF DOUBLE-DIFFUSIVITY PROBLEM AND ITS APPLICATIONS TO PROBLEMS WITH INNER POINT SOURCE

open access: yesTASK Quarterly, 2019
The matrix Green’s function of the initial-boundary value problem of admixture double-diffusivity is defined. The initial-boundary value problem with a point source is formulated for the matrix elements for determination of the matrix Green’s function ...
YEVHEN CHAPLYA   +2 more
doaj   +1 more source

Green’s Functions for Surface Waves in a Generic Velocity Structure [PDF]

open access: yes, 2014
Methodologies for calculating surface‐wave velocities and the associated displacement/stress eigenfunctions and Green’s functions have been well established for many decades. However, to our knowledge, no one has ever documented a quantitative evaluation
Atiganyanun, Sarun, Tsai, Victor C.
core   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

The Neural Network Fitting Method for Green’s Function of Finite Water Depth

open access: yesJournal of Marine Science and Engineering
In marine hydrodynamics, the core of the boundary element method (BEM) lies in the numerical calculation of the free-surface Green’s function. With the rise of artificial intelligence, using neural networks to fit Green’s function has become a new trend,
Wenhui Xiong   +3 more
doaj   +1 more source

A variation equation for the wave forcing of floating thin plates [PDF]

open access: yes, 2000
A variational equation is derived for a floating thin plate subject to wave forcing. This variational equation is derived from the thin plate equations of motion by including the forcing due to the wave through the integral equation derived using the ...
Meylan, Michael H.
core  

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