In this paper, we describe how to incorporate boundary conditions into finite-difference methods so the resulting approximations mimic the identities for the differential operators of vector and tensor calculus. The approach is valid for a wide class of partial differential equations of mathematical ...
Histogram difference refers to a measure used in computer science to detect similarity between images by comparing changes in the weighted color histogram of the images. It is less sensitive to subtle motion and can be used to limit distortion caused by noise and motion in sub-regions of the ...
All endpoints for scaling of 3x2 input/output tensors CI passes License By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license. I sign the Developer Certificate of Origin below by adding my name and email address to the Signed-off...
Operating under the assumptions of linear, isotropic materials, it utilizes a finite-difference method on a staggered grid to solve for the acoustic eigenmodes (field and frequency) of the vector-field elastic wave equation with a given propagation constant. Free, fixed, symmetry, and anti-...
and orientation-specific measures of the large-scale difference between tensors. For these tasks, we have found it advantageous to treat diffusion tensors as elements of a vector space. Linear transforms on R n constitute a vector space isomorphic to R n×n [12]. Though often viewed...
A Spectral Difference (SD) algorithm on tensor-product elements which solves the reacting compressible Navier–Stokes equations is presented. The classical SD algorithm is shown to be unstable for test cases involving a multi-species gas whose thermodynamic properties depend on temperature and species ...
As nouns the difference between movement and action is that movement is physical motion between points in space while action is...
The mimetic finite difference (MFD) method mimics fundamental properties of mathematical and physical systems including conservation laws, symmetry and positivity of solutions, duality and self-adjointness of differential operators, and exact mathematical identities of the vector and tensor calculus. This ...
(physics) A physical phenomenon (such as force, potential or fluid velocity) that pervades a region; a mathematical model of such a phenomenon that associates each point and time with a scalar, vector or tensor quantity. Magnetic field; gravitational field; scalar field 1 Farm Cultivate by grow...
(physics) A physical phenomenon (such as force, potential or fluid velocity) that pervades a region; a mathematical model of such a phenomenon that associates each point and time with a scalar, vector or tensor quantity. Magnetic field; gravitational field; scalar field Field Any of certain str...