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Related papers: Wave Equation for Fractal Solid String

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We describe the fractal solid by a special continuous medium model. We propose to describe the fractal solid by a fractional continuous model, where all characteristics and fields are defined everywhere in the volume but they follow some…

Classical Physics · Physics 2015-03-12 Vasily E. Tarasov

We use the fractional integrals in order to describe dynamical processes in the fractal media. We consider the "fractional" continuous medium model for the fractal media and derive the fractional generalization of the equations of balance…

Fluid Dynamics · Physics 2009-11-11 Vasily E. Tarasov

We derive the fractional generalization of the Ginzburg-Landau equation from the variational Euler-Lagrange equation for fractal media. To describe fractal media we use the fractional integrals considered as approximations of integrals on…

Classical Physics · Physics 2016-09-08 Vasily E. Tarasov , George M. Zaslavsky

We consider the description of the fractal media that uses the fractional integrals. We derive the fractional generalizations of the equation that defines the medium mass. We prove that the fractional integrals can be used to describe the…

Disordered Systems and Neural Networks · Physics 2016-08-31 Vasily E. Tarasov

The fractal distribution of charged particles is considered. An example of this distribution is the charged particles that are distributed over fractal. The fractional integrals are used to describe fractal distribution. These integrals are…

Plasma Physics · Physics 2015-03-09 Vasily E. Tarasov

In this paper, a fractional generalization of the wave equation that describes propagation of damped waves is considered. In contrast to the fractional diffusion-wave equation, the fractional wave equation contains fractional derivatives of…

Mathematical Physics · Physics 2021-03-12 Yuri Luchko

Fractional wave equation arises in different type of physical problems such as the vibrating strings, propagation of electro-magnetic waves, and for many other systems. The exact analytical solution of the fractional differential equation…

Analysis of PDEs · Mathematics 2017-12-21 Uttam Ghosh , Md Ramjan Ali , Santanu Raut , Susmita Sarkar , Shantanu Das

We introduce a fractional theory of the calculus of variations for multiple integrals. Our approach uses the recent notions of Riemann-Liouville fractional derivatives and integrals in the sense of Jumarie. Main results provide fractional…

Optimization and Control · Mathematics 2010-03-09 Ricardo Almeida , Agnieszka B. Malinowska , Delfim F. M. Torres

In the present work we consider the electromagnetic wave equation in terms of the fractional derivative of the Caputo type. The order of the derivative being considered is 0 <\gamma<1. A new parameter \sigma, is introduced which…

Mathematical Physics · Physics 2011-09-01 J. F. Gómez , J. J. Rosales , J. J. Bernal , V. I. Tkach , M. Guía

We study the wave equation on one-dimensional self-similar fractal structures that can be analyzed by the spectral decimation method. We develop efficient numerical approximation techniques and also provide uniform estimates obtained by…

Mathematical Physics · Physics 2017-09-26 Ulysses Andrews , Grigory Bonik , Joe P. Chen , Richard W. Martin , Alexander Teplyaev

Fractals are measurable metric sets with non-integer Hausdorff dimensions. If electric and magnetic fields are defined on fractal and do not exist outside of fractal in Euclidean space, then we can use the fractional generalization of the…

High Energy Physics - Theory · Physics 2015-03-11 Vasily E. Tarasov

A fractal approach to numerical analysis of electromagnetic space-time crystals, created by three standing plane harmonic waves with mutually orthogonal phase planes and the same frequency, is presented. Finite models of electromagnetic…

Quantum Physics · Physics 2014-10-21 G. N. Borzdov

In this paper, a multi-dimensional fractional wave equation that describes propagation of the damped waves is introduced and analyzed. In contrast to the fractional diffusion-wave equation, the fractional wave equation contains fractional…

Mathematical Physics · Physics 2021-03-12 Yuri Luchko

Fractional calculus, in allowing integrals and derivatives of any positive order (the term "fractional" kept only for historical reasons), can be considered a branch of mathematical physics which mainly deals with integro-differential…

Mathematical Physics · Physics 2012-02-02 Francesco Mainardi

In this paper we consider the gravitational field of fractal distribution of particles. To describe fractal distribution, we use the fractional integrals. The fractional integrals are considered as approximations of integrals on fractals.…

Astrophysics · Physics 2015-03-19 Vasily E. Tarasov

Beginning with addition and multiplication which are intrinsic to a Koch-type curve, I formulate and solve a wave equation that describes wave propagation along a fractal coastline. As opposed to the examples known from the literature I do…

Dynamical Systems · Mathematics 2019-04-11 Marek Czachor

We use fractional integrals to generalize the description of hydrodynamic accretion in fractal media. The fractional continuous medium model allows the generalization of the equations of balance of mass density and momentum density. These…

Astrophysics · Physics 2009-08-28 Nirupam Roy

We consider Strichartz estimates for the wave equation with respect to general measures which satisfy certain growth condition. In $\mathbb R^{3+1}$ we obtain the sharp estimate and in higher dimensions improve the previous results.

Analysis of PDEs · Mathematics 2016-12-22 Chu-Hee Cho , Seheon Ham , Sanghyuk Lee

A method is described for calculating the approximate fractal dimension from a set of N values y sampled from a waveform between time zero and t. The waveform was subjected to a double linear transformation that maps it into a unit square.

Chaotic Dynamics · Physics 2010-03-30 Carlos Sevcik

Electric and magnetic fields of fractal distribution of charged particles are considered. The fractional integrals are used to describe fractal distribution. The fractional integrals are considered as approximations of integrals on…

Plasma Physics · Physics 2015-06-26 Vasily E. Tarasov
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