نتایج جستجو برای: wave solution

تعداد نتایج: 670198  

Journal: :Ophthalmic research 2012
Kai Januschowski Ramin Maddani Sebastian Mueller Matthias Lueke Martin S Spitzer Maximilian Schultheiss Karl-Ulrich Bartz-Schmidt Peter Szurman

PURPOSE To compare the effect of a taurine-containing intraocular irrigation solution (PuriProtect TM) to a standard irrigation solution (BSS TM) we evaluated the retinal function using an electroretinogram (ERG) and analyzed the survival of retinal ganglion cells on isolated whole mount retinas. MATERIALS AND METHODS During ERG recordings, each irrigation solution was superfused for 45 min w...

This paper aims to describe a deterministic generation of extreme waves in a typical towing tank. Such a generation involves an input signal to be provided at the wave maker in such a way that at a certain position in the wave tank, say at a position of a tested object, a large amplitude wave emerges. For the purpose, we consider a model called a spatial-NLS describing the spatial propagation o...

1999
Amr M. Shaarawi Richard W. Ziolkowski

The diverging and converging field components of the source-free focus wave modes are studied within the framework of both the Whittaker and Weyl plane wave expansions. It is shown that, in the Weyl picture, the evanescent fields associated with the diverging and converging components of the focus wave mode solution cancel each other identically. The source-free focus wave modes are, hence, com...

2008
Aparecido J. de Souza Dan Marchesin

Systems of three or more conservation laws in which a conserved quantity is passively transported have a contact eld; sometimes, the contact speed and the speed of one of the nonlinear waves coincide on a surface in state space. We prove that this resonance surface contains the equilibrium points of the contact eld. We construct locally the Riemann solution for an example of such a system of th...

In this paper, a regularized long-wave equation (RLWE) is solved by using the Adomian's decomposition method (ADM) , modified Adomian's decomposition method (MADM), variational iteration method (VIM), modified variational iteration method (MVIM) and homotopy analysis method (HAM). The approximate solution of this equation is calculated in the form of series which its components are computed by ...

Journal: :علوم و فناوری فضایی 0
s. a. hosseini s. noori

in the present work, an engineering method is developed to predict laminar and turbulent heating-rate solutions for blunt reentry spacecraft at hypersonic conditions. the calculation of aerodynamic heating around blunt bodies requires alternative solution of inviscid flow field around the hypersonic bodies. in this paper, the procedure is of an inverse nature, that is, a shock wave is assumed a...

Journal: :iranian journal of materials forming 2015
m. janghorban m. r. nami

in this paper, on the basis of a new strain gradient elasticity theory, wave propagation in rectangular nanoplates by considering in-plane magnetic field is studied. this strain gradient theory has two gradient parameters and has the ability to compare with the nonlocal elasticity theory. from the best knowledge of author, it is the first time that this theory is used for investigating wave pro...

In this paper, a reliable approach is introduced to approximate periodic solutions of a system of coupled integrable dispersionless. The system is firstly, transformed into an ordinary differential equation by wave transformation. The solution of ODE is obtained by the homotopy perturbation method. To show the periodic behavior of the solution, a modification based on the Laplace transforms and...

2014
Weiguo Zhang Xiang Li Josip E. Pečarić

and Applied Analysis 3 25 , the traveling wave solution of 1.2 is a damped oscillatory solution which has a bell profile head. However, they did not present any analytic solution or approximate solution for 1.2 . Xiong 25 obtained a kink profile solitary wave solution for KdV-Burgers equation. In 26 , S. D. Liu and S. D. Liu obtained an approximate damped oscillatory solution to a saddle-focus ...

2012
Liqin Yu

In this paper, exact traveling wave solution of Degasperis–Procesi equation can be investigated via the first-integral method. By using the first-integral method which is based on the ring theory of commutative algebra, We construct exact traveling wave solution for Degasperis–Procesi equation , and the obtained solution agrees well with the previously known result.

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