Results 1 to 10 of about 72 (71)

Solving nonlinear PDEs using the higher order Haar wavelet method on nonuniform and adaptive grids

open access: yesMathematical Modelling and Analysis, 2021
The higher order Haar wavelet method (HOHWM) is used with a nonuniform grid to solve nonlinear partial differential equations numerically. The Burgers’ equation, the Korteweg–de Vries equation, the modified Korteweg–de Vries equation and the sine–Gordon ...
Mart Ratas, Andrus Salupere, Jüri Majak
doaj   +4 more sources

Nonlinear Pantograph-Type Diffusion PDEs: Exact Solutions and the Principle of Analogy

open access: yesMathematics, 2021
We study nonlinear pantograph-type reaction–diffusion PDEs, which, in addition to the unknown u=u(x,t), also contain the same functions with dilated or contracted arguments of the form w=u(px,t), w=u(x,qt), and w=u(px,qt), where p and q are the free ...
Andrei D. Polyanin, Vsevolod G. Sorokin
doaj   +1 more source

Numerical investigation of chemically reacting jet flow of hybrid nanofluid under the significances of bio-active mixers and chemical reaction

open access: yesHeliyon, 2023
Jet flows are employed in a variety of applications. It can be found in daily life as well as in agriculture, for example, jet flow assists with irrigation and harvest protection.
Nidhish Kumar Mishra   +5 more
doaj   +1 more source

The solutions of nonlinear fractional partial differential equations by using a novel technique

open access: yesOpen Physics, 2022
In this article, the solutions of higher nonlinear partial differential equations (PDEs) with the Caputo operator are presented. The fractional PDEs are modern tools to model various phenomena more accurately.
Alderremy Aisha Abdullah   +6 more
doaj   +1 more source

Variational approach to complicated similarity solutions of higher-order nonlinear PDEs. II [PDF]

open access: yesNonlinear Analysis: Real World Applications, 2011
Three classes of higher-order nonlinear parabolic hyperbolic, and nonlinear dispersion equations are shown to admit exact blow-up or compacton solutions, which are induced by elliptic equations with non-Lipschitz nonlinearities. Variational techniques give countable families of various compactly supported solutions with oscllatory behaviour cloase to ...
MITIDIERI, ENZO   +2 more
openaire   +5 more sources

The BLUES function method for second-order partial differential equations: Application to a nonlinear telegrapher equation

open access: yesPartial Differential Equations in Applied Mathematics, 2022
An analytic iteration sequence based on the extension of the BLUES (Beyond Linear Use of Equation Superposition) function method to partial differential equations (PDEs) with second-order time derivatives is studied. The original formulation of the BLUES
Jonas Berx, Joseph O. Indekeu
doaj   +1 more source

MooAFEM: An object oriented Matlab code for higher-order adaptive FEM for (nonlinear) elliptic PDEs

open access: yesApplied Mathematics and Computation, 2023
We present an easily accessible, object oriented code (written exclusively in Matlab) for adaptive finite element simulations in 2D. It features various refinement routines for triangular meshes as well as fully vectorized FEM ansatz spaces of arbitrary polynomial order and allows for problems with very general coefficients. In particular, our code can
Michael Innerberger, Dirk Praetorius
openaire   +2 more sources

Higher order regularity of nonlinear Fokker-Planck PDEs with respect to the measure component [PDF]

open access: yesJournal de Mathématiques Pures et Appliquées, 2021
In this article, we establish a general formula for higher order linear functional derivatives for the composition of an arbitrary smooth functional on the 1-Wasserstein space with the solution of a Fokker-Planck PDE. This formula has important links with the theory of propagation of chaos and mean-field games.
openaire   +3 more sources

Heat and Mass Transfer of Micropolar-Casson Nanofluid over Vertical Variable Stretching Riga Sheet

open access: yesEnergies, 2022
In this analysis, we considered a comparative study of micropolar Casson nanofluid flow on a vertical nonlinear Riga stretching sheet. Effects of thermal and velocity slip are considered under thermophoresis and Brownian motions.
Nadeem Abbas, Wasfi Shatanawi
doaj   +1 more source

Analysis of the partially ionized kerosene oil-based ternary nanofluid flow over a convectively heated rotating surface

open access: yesOpen Physics, 2022
The main goal of this inspection is to explore the heat and mass transport phenomena of a three-dimensional magnetohydrodynamic (MHD) flow of ternary hybrid nanoliquid through a porous media toward a stretching surface.
Ramzan Muhammad   +5 more
doaj   +1 more source

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