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Method of difference sensing through optical coherent change detection

JR Plant - US Patent 8,005,301, 2011 - freepatentsonline.com
1. A method of difference sensing, the method comprising the steps of: producing a reference
image using temporal averaging and spatial averaging, the temporal averaging and spatial averaging
comprising taking a series of images of the same scene, spatially aligning the series of ...
Cached

A Fourier analysis of the finite element variational method

G Strang… - Constructive aspects of functional analysis, 2011 - Springer
... method to finite difference theory; they are innovations which could have been devised
independently, but never were. - ... tion and finally disappears, The paradox enters into the finite
element method, which is both a Ritz system and a difference scheme: ...
Cited by 349 - Related articles - All 2 versions

Analysis of the monotonicity conditions in the mimetic finite difference method for elliptic problems

K Lipnikov, G Manzini… - Journal of Computational Physics, 2011 - Elsevier
The maximum principle is one of the most important properties of solutions of partial differential
equations. Its numerical analog, the discrete maximum principle (DMP), is one of the most difficult
properties to achieve in numerical methods, especially when the computational mesh is ...
Cited by 2 - Related articles - All 5 versions

Discretization errors and free surface stabilization in the finite difference and marker-in-cell method for applied geodynamics: A numerical study

T Duretz, DA May, TV Gerya… - Geochemistry Geophysics …, 2011 - agu.org
The finite difference–marker-in-cell (FD-MIC) method is a popular method in thermomechanical
modeling in geodynamics. Although no systematic study has investigated the numerical properties
of the method, numerous applications have shown its robustness and flexibility for the ...
All 2 versions

Finite-difference method for computation of the 3-D gas dynamics equations with artificial viscosity

IV Popov… - Matematicheskoe Modelirovanie, 2011 - mathnet.ru
Abstract: In this paper present a new numerical method for the solution of the gas dynamics problems
for 3-D systems in Eulerian variables. The proposed method uses the approximation
$O(\tau^2+h^2_x+h^2_y+h^2_z)$ in the areas of the solution's smoothness and beyond ...

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