91   Artículos

 
en línea
Mykola Rohoza, Vasyl Perebyynis, Valerii Havrysh, Kseniia Verhal, Yuliya Perebyynis     Pág. 37 - 46
The agro-food complex combines agriculture, food-processing industry and agricultural trade. It has been established that integration is an effective tool for formation and functioning of this complex. However, due to the unstable political and economic ... ver más
Revista: Research Papers in Economics and Finance    Formato: Electrónico

 
en línea
Konstantin Volkov    
The opportunities provided by new information technologies, object-oriented programming tools, and modern operating systems for solving boundary value problems in CFD described by partial differential equations are discussed. An approach to organizing ve... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Christos Tzimopoulos, Kyriakos Papadopoulos, Nikiforos Samarinas, Basil Papadopoulos and Christos Evangelides    
In this work, a novel fuzzy FEM (Finite Elements Method) numerical solution describing the recession flow in unconfined aquifers is proposed. In general, recession flow and drainage problems can be described by the nonlinear Boussinesq equation, while th... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Andrea D?Ambrosio and Roberto Furfaro    
This paper demonstrates the utilization of Pontryagin Neural Networks (PoNNs) to acquire control strategies for achieving fuel-optimal trajectories. PoNNs, a subtype of Physics-Informed Neural Networks (PINNs), are tailored for solving optimal control pr... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Ferenc Izsák and Rudolf Izsák    
A neural-network-assisted numerical method is proposed for the solution of Laplace and Poisson problems. Finite differences are applied to approximate the spatial Laplacian operator on nonuniform grids. For this, a neural network is trained to compute th... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Ferenc Izsák and Taki Eddine Djebbar    
We propose neural-network-based algorithms for the numerical solution of boundary-value problems for the Laplace equation. Such a numerical solution is inherently mesh-free, and in the approximation process, stochastic algorithms are employed. The chief ... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Bashar Talib Al-Nuaimi, H.K. Al-Mahdawi, Zainalabideen Albadran, Hussein Alkattan, Mostafa Abotaleb and El-Sayed M. El-kenawy    
The boundary value problem, BVP, for the PDE heat equation is studied and explained in this article. The problem declaration comprises two intervals; the (0, T) is the first interval and labels the heating of the inside burning chamber, and the second (T... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Angel Golev, Snezhana Hristova and Asen Rahnev    
In this paper an algorithm for approximate solving of a boundary value problem for a nonlinear differential equation with a special type of fractional derivative is suggested. This derivative is called a generalized proportional Caputo fractional derivat... ver más
Revista: Algorithms    Formato: Electrónico

 
en línea
Christos Tzimopoulos, Nikiforos Samarinas, Basil Papadopoulos and Christos Evangelides    
The process of how soil moisture profiles evolve into the soil and reach the root zone could be estimated by solving the appropriate strong nonlinear Richards? equation. The nonlinearity of the equation occurs because diffusivity D is generally an expone... ver más
Revista: Hydrology    Formato: Electrónico

 
en línea
Christos Tzimopoulos, Nikiforos Samarinas, Kyriakos Papadopoulos and Christos Evangelides    
Very well-drained lands could have a positive impact in various soil health indicators such as soil erosion and soil texture. A drainage system is responsible for properly aerated soil. Until today, in order to design a drainage system, a big challenge r... ver más
Revista: Hydrology    Formato: Electrónico

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