- Discrete element method
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Discrete element method — A discrete element method (DEM), also called a distinct element method is any of family of numerical methods for computing the motion of a large number of particles of micrometre scale size and above. Though DEM is very closely related to… … Wikipedia
Discrete element method — Mit Discrete Element Method (DEM) wird eine 1979 von Cundall und Strack entwickelte numerische Berechnungsmethode bezeichnet, mit der die Bewegung einer großen Zahl von Teilchen berechnet werden kann. Die Methode wird manchmal auch als Distinct… … Deutsch Wikipedia
Discrete Element Method — Mit Discrete Element Method (DEM) wird eine 1979 von Cundall und Strack entwickelte numerische Berechnungsmethode bezeichnet, mit der die Bewegung einer großen Zahl von Teilchen berechnet werden kann. Die Methode wird manchmal auch als Distinct… … Deutsch Wikipedia
Finite element method — The finite element method (FEM) (sometimes referred to as finite element analysis) is a numerical technique for finding approximate solutions of partial differential equations (PDE) as well as of integral equations. The solution approach is based … Wikipedia
Distinct element method — Mit Discrete Element Method (DEM) wird eine 1979 von Cundall und Strack entwickelte numerische Berechnungsmethode bezeichnet, mit der die Bewegung einer großen Zahl von Teilchen berechnet werden kann. Die Methode wird manchmal auch als Distinct… … Deutsch Wikipedia
Discrete Laplace operator — For the discrete equivalent of the Laplace transform, see Z transform. In mathematics, the discrete Laplace operator is an analog of the continuous Laplace operator, defined so that it has meaning on a graph or a discrete grid. For the case of a… … Wikipedia
Discrete exterior calculus — In mathematics, the discrete exterior calculus (DEC) is the extension of the exterior calculus to discrete spaces including graphs and finite element meshes. DEC methods have proved to be very powerful in improving and analyzing finite element… … Wikipedia
Spectral method — Spectral methods are a class of techniques used in applied mathematics and scientific computing to numerically solve certain Dynamical Systems, often involving the use of the Fast Fourier Transform. Where applicable, spectral methods have… … Wikipedia
Discrete Fourier transform — Fourier transforms Continuous Fourier transform Fourier series Discrete Fourier transform Discrete time Fourier transform Related transforms In mathematics, the discrete Fourier transform (DFT) is a specific kind of discrete transform, used in… … Wikipedia
Discrete cosine transform — A discrete cosine transform (DCT) expresses a sequence of finitely many data points in terms of a sum of cosine functions oscillating at different frequencies. DCTs are important to numerous applications in science and engineering, from lossy… … Wikipedia