Güncel Gönderiler: Matematik Bölümü
Toplam kayıt 291, listelenen: 221-240
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The Construction of Differential Inclusions With Prescribed Attainable Sets
(Springer/Plenum Publishers, 2008)For given epsilon > 0 and a given continuous set-valued mapping t -> Z(t), t epsilon [t(0),theta], where Z(t). subset of R-n is a compact and convex set for every t epsilon [t(0),theta], a differential inclusion is constructed ... -
Numerical expansion methods for solving Fredholm-Volterra type linear integral equations by interpolation and quadrature rules
(Emerald Group Publishing Limited, 2008)Purpose - This paper sets out to introduce a numerical method to obtain solutions of Fredholm-Volterra type linear integral equations. Design/methodology/approach - The flow of the paper uses well-known formulations, which ... -
On product and golden stuctures and harmonicity
(Scientific Technical Research Council Turkey-Tubitak, 2018)In this work, almost product and almost golden structures are studied. Conditions for those structures being integrable and parallel are investigated. Moreover, the harmonicity of a map between almost product or almost ... -
The Rayleigh wave field in mixed problems for a half-plane
(Oxford University Press, 2013)The note develops an approximate approach to mixed boundary value problems in linear elasticity starting from an explicit asymptotic model for the Rayleigh surface wave. It is demonstrated that the original vector mixed ... -
Exp-function method for constructing exact solutions of Sharma-Tasso-Olver equation
(Pergamon-Elsevier Science LTD, 2009)In this paper we use the Exp-function method for the analytic treatment of Sharma-Tasso-Olver equation. New solitonary solutions are formally derived. Change of parameters, which drastically changes the characteristics of ... -
He's variational iteration method applied to the solution of the prey and predator problem with variable coefficients
(Elsevier Science BV, 2008)In this Letter, a mathematical model of the problem of prey and predator is presented and He's variational iteration method is employed to compute an approximation to the solution of the system of nonlinear differential ... -
The near-resonant regimes of a moving load in a three-dimensional problem for a coated elastic half-space
(SAGE Publications LTD, 2017)This paper deals with the three-dimensional analysis of the near-resonant regimes of a point load, moving steadily along the surface of a coated elastic half-space. The approach developed relies on a specialized ... -
On the Causality of the Rayleigh Wave
(Mathematical Science Publ, 2016)An explicit hyperbolic-elliptic formulation for surface Rayleigh waves is analysed with an emphasis on the causality of obtained results. As an example, a 3D moving load problem for a distributed vertical load is considered. ... -
On the 3D Rayleigh wave field on an elastic half-space subject to tangential surface loads
(Wiley-V C H Verlag GMBH, 2015)This study is concerned with analysis of the Rayleigh wave field in a 3D isotropic elastic half-space subject to in-plane surface loading. The approach relies on the slow time perturbation of the general representation for ... -
Composite wave models for elastic plates
(Royal Soc, 2018)The long-term challenge of formulating an asymptotically motivated wave theory for elastic plates is addressed. Composite two-dimensional models merging the leading or higher-order parabolic equations for plate bending and ... -
On surface wave fields arising in soil-structure interaction problems
(Elsevier Science BV, 2017)The paper aims at generalization of the specialized formulation, originally developed for the surface wave fields induced by prescribed surface stresses. We extend this formulation to soil-structure interaction problems ... -
Approximate Analysis of Surface Wave-Structure Interaction
(Mathematical Science Publ, 2018)Surface wave-structure interaction is studied starting from a specialised approximate formulation involving a hyperbolic equation for the Rayleigh wave along with pseudostatic elliptic equations over the interior of an ... -
On a 3D moving load problem for an elastic half space
(Elsevier Science BV, 2013)The paper deals with 3D dynamic response of an elastic half-space loaded by a point force moving at a constant speed along a straight line on the surface. The problem is formulated within the framework of the asymptotic ... -
A plane contact problem for an elastic orthotropic strip
(Springer, 2011)The contact of a punch with an elastic orthotropic strip is considered. A singular integral equation is derived for the contact pressure. The analytic expression of the associated kernel is unique for all types of orthotropy. ... -
Bounded Motions of the Dynamical Systems Described by Differential Inclusions
(Hindawi LTD, 2009)The boundedness of the motions of the dynamical system described by a differential inclusion with control vector is studied. It is assumed that the right-hand side of the differential inclusion is upper semicontinuous. ... -
Response of a 3D elastic half-space to a distributed moving load
(Hacettepe University, Fac Sci, 2017)The dynamic effect of an out of plane distributed moving load on the surface of an elastic half-space is considered. The problem is formulated in terms of a hyperbolic-elliptic asymptotic model for a moving load where the ... -
Numerical solutions of the GEW equation using MLS collocation method
(World Scientific Publ Co Pte LTD, 2017)In this paper, the generalized equal width wave (GEW) equation is solved by using moving least squares collocation (MLSC) method. To test the accuracy of the method some numerical experiments are presented. The motion of ... -
The meshless kernel-based method of lines for solving the equal width equation
(Elsevier Science Inc, 2013)The Equal Width equation governs nonlinear wave phenomena like waves in shallow water. Here, it is solved numerically by the Method of Lines using a somewhat unusual setup. There is no linearization of the nonlinear terms, ... -
On nonsingularity of a polytope of matrices
(Elsevier Science Inc, 2008)The nonsingularity problem of a polytope of real matrices and its relation to the (robust) stability problem is considered. This problem is investigated by using the Bernstein expansion of the determinant function. Here ... -
On One Application of Convex Optimization to Stability of Linear Systems
(Krasovskii Inst Mathematics & Mechanics Ural Branch Russian Acad Sciences, 2015)One of the most important problem of control theory is control of switched systems. This problem is related to the common quadratic Lyapunov function problem and one of the way to solve it is LMI (Linear Matrix Inequalities) ...