Results 171 to 180 of about 52,764 (220)

Efficient Inference in First Passage Time Models. [PDF]

Stat Comput
Liu S, Fengler A, Frank MJ, Harrison MT.
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Heuristic computational approach for nonlinear reaction-diffusion kinetics in catalytic systems. [PDF]

Sci Rep
Jamshed S, Shoaib M, Ahmad H, Awwad FA, Ismail EAA, Yousaf N.   +5 more
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Galerkin approximations for dissipative magnetohydrodynamics

Physical Review A, 1990
A Galerkin approximation scheme is proposed for voltage-driven, dissipative magnetohydrodynamics. The trial functions are exact eigenfunctions of the linearized continuum equations and represent helical deformations of the axisymmetric, zero-flow, driven steady state. The lowest nontrivial truncation is explored: one axisymmetric trial function and one
, Chen, , Shan, , Montgomery
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A galerkin approximation for curved beams

Computer Methods in Applied Mechanics and Engineering, 1993
We apply a Galerkin method to the equations of linearized three- dimensional elasticity for a curved beam. We explicitly construct an approximate solution of the three-dimensional elasticity problem as a minimizer of the \(H^ 1\) norm with respect to a geometric parameter.
Figueiredo, Isabel Narra, Trabucho, L.
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Crank‐nicolsen‐Galerkin approximation for Maxwell's equations

Mathematical Methods in the Applied Sciences, 1982
AbstractThe Maxwell equations are formulated as an evolution equation in a suitable chosen Hilbert space involving a densely defined closed skew‐Hermitian operator which generates a unitary group. A Crank‐Nicolsen‐Galerkin approximation is then established and convergence is shown by arguments from the theory of approximation of groups of operators.
Hoppe, Ronald H. W., Brosowski, B.
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Discontinuous Galerkin Approximation of the Maxwell Eigenproblem

SIAM Journal on Numerical Analysis, 2006
A theoretical framework for the analysis of discontinuous Galerkin approximations of the Maxwell eigenproblem with discontinuous coefficients is presented. Necessary and sufficient conditions for a spurious-free approximation are established, and it is shown that, at least on conformal meshes, basically all the discontinuous Galerkin methods in the ...
Buffa A, Perugia I
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Spectral galerkin approximation of couette-taylor flow

Applied Mathematics and Mechanics, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wang, Heyuan, Li, Kaitai
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POD‐Galerkin approximations in PDE‐constrained optimization

GAMM-Mitteilungen, 2010
AbstractProper orthogonal decomposition (POD) is one of the most popular model reduction techniques for nonlinear partial differential equations. It is based on a Galerkin‐type approximation, where the POD basis functions contain information from a solution of the dynamical system at pre‐specified time instances, so‐called snapshots.
Sachs, Ekkehard W., Volkwein, Stefan
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Galerkin Approximations in Problems with p-Laplacian

Journal of Mathematical Sciences, 2016
The Dirichlet problem \[ -\mathrm{div}(|\nabla u|^{p-2}\nabla u)= f,\,\,\, u|_{\partial \Omega}=0 \] is considered in a bounded smooth domain \(\Omega\subset R^d\), \(p>1\), \(X=W_0^{1,p}\) is the Sobolev space, \(u\in X\), \(f\) is a linear continuous functional on \(X\). A system of Galerkin approximations is constructed.
Zhikov, V. V., Yakubovich, D. A.
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Saddle Points and Ritz–Galerkin Approximations

SIAM Journal on Mathematical Analysis, 1980
This paper establishes a theorem for Ritz–Galerkin approximations to a unique saddle point of a function defined on a reflexive Banach space. The functional value at the saddle point is given in terms of an infimum and supremum over two closed, possibly infinite dimensional subspaces whose direct sum determines the original Banach space.
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