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# discrete elements method

• 1 discrete elements method

Abbreviation: DEM

### См. также в других словарях:

• 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 logarithm records — are the best results achieved to date in solving the discrete logarithm problem, which is the problem of finding solutions x to the equation gx = h given elements g and h of a finite cyclic group G. The difficulty of this problem… …   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

• Éléments finis — Méthode des éléments finis Pour les articles homonymes, voir Élément. Solution bidimensionnelle d une équation magnétostatique obtenue par éléments fin …   Wikipédia en Français

• Discrete Poisson equation — In mathematics, the discrete Poisson equation is the finite difference analog of the Poisson equation. In it, the discrete Laplace operator takes the place of the Laplace operator. The discrete Poisson equation is frequently used in numerical… …   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

• Method of loci — The method of loci (plural of Latin locus for place or location), also called the memory palace, is a mnemonic device introduced in ancient Roman rhetorical treatises (in the anonymous Rhetorica ad Herennium, Cicero s De Oratore, and Quintilian s …   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

• 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

• Rayleigh-Ritz method — In applied mathematics and mechanical engineering, the Rayleigh Ritz method is a widely used, classical method for the calculation of the natural vibration frequency of a structure in the second or higher order. It is a direct variational method… …   Wikipedia

• Methode des elements finis — Méthode des éléments finis Pour les articles homonymes, voir Élément. Solution bidimensionnelle d une équation magnétostatique obtenue par éléments fin …   Wikipédia en Français

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