Results 11 to 20 of about 80 (76)

Mathematical modelling of free convection in a square cavity filled with a bidisperse porous medium for large values of Rayleigh number

open access: yes, 2022
A free convection problem for bidisperse porous media is considered. The numerical solutions are obtained using an algorithm based on an nonuniform grid.
REVNIC, Cornelia, PĂTRULESCU, Flavius
core   +1 more source

Spectral Finite Difference Analysis of Natural Convection in a Two-Dimensional Enclosure of a Three-Fins Type [PDF]

open access: yes, 2014
Spectral finite difference scheme is applied to two-dimensional natural laminar convection around a three-fins type enclosure, including a shape control parameter supplemented with a condition of doublyconnectedness.
Mochimaru, Yoshihiro
core   +1 more source

Analytical behavior of two-dimensional incompressible flow in porous media [PDF]

open access: yes, 2007
19 pages, 8 figures.-- 2000 Mathematics Subject Classification (MSC): 76S05, 76B03, 65N06.-- PACS nrs.: 47.56.+r, 47.10.Fg.-- First version of the paper presented at: International Congress of Mathematicians 2006 (Madrid, 22-30 Aug 2006), http://www ...
Diego Córdoba   +8 more
core   +1 more source

Numerical methods for Lévy processes

open access: yes, 2009
Multidimensional Lévy processes, Numerical methods, Asset pricing, 60J75, 65N06, 65N30, C63,
Reich, N.   +7 more
core   +1 more source

Heat Transfer Analysis from an Elliptic Cylinder at Moderately High Reynolds Number Flows [PDF]

open access: yes, 2015
Heat transfer from an elliptic cylinder placed normal to a uniform flow at moderately high Reynolds numbers is analyzed, using a spectral finite difference scheme.
Akita, Daisuke, Mochimaru, Yoshihiro
core   +1 more source

Aerodynamic Characteristics of Joukowsky Like Wings [PDF]

open access: yes, 2016
Aerodynamic characteristics of Joukowsky like airfoils are analyzed, under the assumption that the flow near the airfoil is governed by two-dimensional incompressible isothermal Newtonian fluid flow, beyond the viscous boundarylayer of which is ...
Mochimaru, Yoshihiro
core   +1 more source

Shift, Symmetry, and Asymmetry in Polynomial Sequences.

open access: yes, 2023
In this study, we show the existence of three types of shifts in polynomial curves in the XY-plane that will always result in integer sequences: 1. "Eureka shift”, 2. Taylor shift, and 3. “Taylor shift and fit”.
Charles Kusniec
core   +1 more source

Discrete Models of Time-Fractional Diffusion in a Potential Well [PDF]

open access: yes, 2005
Mathematics Subject Classification: 26A33, 45K05, 60J60, 60G50, 65N06, 80-99.By generalization of Ehrenfest’s urn model, we obtain discrete approximations to spatially one-dimensional time-fractional diffusion processes with drift towards the origin ...
Abdel-Rehim, E., Gorenflo, R.
core  

Application of Discrete Dividends to American Option Pricing [PDF]

open access: yes, 2017
[Koleva-Petkova Dessislava; Колева-Петкова Десислава]; [Milev Mariyan; Милев Мариан]Dividends are a detail of financial instruments pricing which is often being oversimplified.
Koleva-Petkova, Dessislava   +1 more
core   +1 more source

Multi-sites fisheries modeling with Itô stochastic differential equations and stochastic optimization problem

open access: yes
The main idea of this paper is first to propose an equivalent system of stochastic differential equations for multi-site fisheries using an equivalent system of Itô stochastic differential equations. The proposed model, based on Fish Aggregating Devices (
Babacar M. Ndiaye   +2 more
core   +1 more source

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