Zobrazeno 1 - 10
of 346
pro vyhledávání: '"Katsaounis P"'
We consider a non-conservative nonlinear Schrodinger equation (NCNLS) with time-dependent coefficients, inspired by a water waves problem. This problem does not have mass or energy conservation, but instead mass and energy change in time under explic
Externí odkaz:
http://arxiv.org/abs/2401.16835
We consider the incompressible axisymmetric Navier-Stokes equations with swirl as an idealized model for tornado-like flows. Assuming an infinite vortex line which interacts with a boundary surface resembles the tornado core, we look for stationary s
Externí odkaz:
http://arxiv.org/abs/2311.10575
We consider an infinite vortex line in a fluid which interacts with a boundary surface as a simplified model for tornadoes. We study self-similar solutions for stationary axisymmetric Navier-Stokes equations and investigate the types of motion which
Externí odkaz:
http://arxiv.org/abs/2301.11090
Autor:
Christos Chatzilias, Eftychia Martino, Alexandros K. Bikogiannakis, Georgios Kyriakou, Alexandros Katsaounis
Publikováno v:
Journal of CO2 Utilization, Vol 90, Iss , Pp 102980- (2024)
The hydrogenation of CO2 remains one of the most intriguing and effective strategies for addressing the continuous increase of CO2 emissions in the atmosphere. At the same time, it serves as an effective pathway for the formation of value-added produ
Externí odkaz:
https://doaj.org/article/11aedd9e27aa42b4a4a90fe3016bd5a8
We propose a new approach for solving systems of conservation laws that admit a variational formulation of the time-discretized form, and encompasses the p-system or the system of elastodynamics. The approach consists of using constrained gradient de
Externí odkaz:
http://arxiv.org/abs/2208.13657
We introduce a new structure preserving, second order in time relaxation-type scheme for approximating solutions of the Schr\"odinger-Poisson system. More specifically, we use the Crank-Nicolson scheme as a time stepping mechanism, whilst the nonline
Externí odkaz:
http://arxiv.org/abs/2103.04903
The simulation of long, nonlinear dispersive waves in bounded domains usually requires the use of slip-wall boundary conditions. Boussinesq systems appearing in the literature are generally not well-posed when such boundary conditions are imposed, or
Externí odkaz:
http://arxiv.org/abs/2008.10754
In this paper we consider the numerical solution of Boussinesq-Peregrine type systems by the application of the Galerkin finite element method. The structure of the Boussinesq systems is explained and certain alternative nonlinear and dispersive term
Externí odkaz:
http://arxiv.org/abs/2005.09679
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