98   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
Yuriy Povstenko, Tamara Kyrylych, Bozena Wozna-Szczesniak and Andrzej Yatsko    
The central-symmetric time-fractional heat conduction equation with heat absorption is investigated in a solid with a spherical hole under time-harmonic heat flux at the boundary. The problem is solved using the auxiliary function, for which the Robin-ty... ver más
Revista: Applied Sciences    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
Lin Guo, Anand Balu Nellippallil, Warren F. Smith, Janet K. Allen and Farrokh Mistree    
When dealing with engineering design problems, designers often encounter nonlinear and nonconvex features, multiple objectives, coupled decision making, and various levels of fidelity of sub-systems. To realize the design with limited computational resou... ver más
Revista: Algorithms    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

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