Results 21 to 30 of about 58,866 (264)

3D simulation of laminated shell structures using the Proper Generalized Decomposition [PDF]

open access: yes, 2014
Numerical simulations of composite structures are generally performed using multi-layered shell elements in the context of the finite elements method. This strategy has numerous advantages like a low computation time and the capability to reproduce the ...
PRULIERE, Etienne
core   +1 more source

Generalizations of the wave equation [PDF]

open access: yesTransactions of the American Mathematical Society, 1993
The main result of this paper is a generalization of the property that, for smooth u u , u x y = 0 {u_{xy}} = 0 implies ( ∗ ) (\ast ) \[ u ( x
Ash, J. Marshall   +3 more
openaire   +2 more sources

Recursive properties of generalized ordinary differential equations and applications

open access: yes, 2021
The aim of this paper is to obtain results on topological properties of flows for nonnegative time in the framework of generalized ODEs. We define the concept of generalized semiflow and we present some recursive properties as minimality and recurrence ...
Bonotto, E. M.   +2 more
core   +1 more source

Generalized spin precession equations

open access: yesNew Journal of Physics, 2014
The Bloch equations, which describe spin precession and relaxation in external magnetic fields, can be generalized to include the evolution of polarization tensors of various ranks in arbitrary multipole fields.
Hans-Jürgen Stöckmann, Dirk Dubbers
doaj   +1 more source

Weak dual generalized inverse of a dual matrix and its applications

open access: yesHeliyon, 2023
Recently, the dual Moore-Penrose generalized inverse has been applied to study the linear dual equation when the dual Moore-Penrose generalized inverse of the coefficient matrix of the linear dual equation exists.
Hong Li, Hongxing Wang
doaj   +1 more source

Generalized Neutrino Equations [PDF]

open access: yesAdvances in Applied Clifford Algebras, 2016
I discuss generalized spin-1/2 equations for neutrinos. They have been obtained by means of the Gersten's method for derivation of arbitrary-spin relativistic equations. Possible physical consequences are discussed.
openaire   +3 more sources

Schlafli modular equations for generalized Weber functions [PDF]

open access: yes, 2008
Sets of appropriately normalized eta quotients, that we call level n Weber functions, are defined, and certain identities generalizing Weber function identities are proved for these functions.
William B. Hart, Hart, William B.
core   +1 more source

A modified Newton-secant method for solving nonsmooth generalized equations

open access: yesMathematical Modelling and Analysis
In this paper, we study the solvability of nonsmooth generalized equations in Banach spaces using a modified Newton-secant method, by assuming a Hölder condition.
Vitaliano de Sousa Amaral   +3 more
doaj   +1 more source

On Generalized Lebesgue-Ramanujan-Nagell Equations

open access: yesAnalele Stiintifice ale Universitatii Ovidius Constanta: Seria Matematica, 2014
We give a brief survey on some classical and recent results concerning the generalized Lebesgue-Ramanujan-Nagell equation. Moreover, we solve completely the equation x2 + 11a 17b = yn in nonnegative integer unknowns with n ≧ 3 and gcd(x, y) = 1.
Bérczes Attila, Pink István
doaj   +1 more source

ON A GENERALIZED TZITZEICA EQUATION [PDF]

open access: yesGlasgow Mathematical Journal, 2005
Summary: Extending the so called coupled KP hierarchy to negative time flows one obtains coupled Toda-type equations defined on a two-dimensional lattice. These equations allow for reductions to \(1+1\) dimensional integrable systems that are defined on a finite part of this lattice.
openaire   +3 more sources

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