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90 resultados encontrados.

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<i>Numerical methods for engineers (fifth edition)</i>. Steven Chapra and Raymond Canale. Mc Graw Hill, 2005
Artículo
Acceso abierto Artículo SEDICI UNLP
Gaudiani, Adriana Angélica · SEDICI UNLP · 2008
With this book, the same as in previous editions, Chapra and Canale intend to provide a solid training in numerical methods by means of a pleasant and attractive approach that motivates the reader to study the subject an...
Idioma en
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Analytical and Numerical Methods in Mining Engineering
Artículo
Acceso abierto Artículo DOAJ
Yazd University; Iran, Islamic Republic of · ISSN 2251-6565
Materias / palabras clave: mining, numerical methods, analytical methods; Technology: Mining engineering. Metallurgy
Idioma English, Persian
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Numerical investing of truss flange joints with trimmed flanges
Artículo
Acceso abierto Artículo DOAJ
Євген Цюпин · Kyiv National University of Construction and Architecture · 2025 · ISSN 2522-4182
In modern construction, steel trusses remain one of the most common types of load-bearing structures used in the construction of industrial, civil, and public buildings. Their use is driven by high load-carrying capacity...
LCC TENDOkFyY2hpdGVjdHVyZQ~~Idioma eng
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Numerical Modeling and Experimental Validation of Free Surface Flow Problems
Artículo
Acceso abierto Artículo CONICET Digital
Cruchaga, Marcela et al · Springer · 2016 · ISSN 1134-3060
In this paper we present a summary of numerical methods for solving free surface and two fluid flow problems. We will focus the attention on level set formulations extensively used in the context of the finite element me...
Idioma eng
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Numerical Solution for Solving Linear Fractional Differential Equations using Chebyshev Wavelets
Artículo
Acceso abierto Artículo DOAJ
Inaam Abdulbaset Fathi et al · University of Mosul, College of Education for Pure Science · 2023 · ISSN 1812-125X
In this paper, a numerical method for solving linear fractional differential equations using Chebyshev wavelets matrices has been presented. Fractional differential equations have received great attention in the recent p...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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New methods for developing parallel algorithms of direct search in numerical optimization
Artículo
Material complementario disponible Artículo DOAJ
Firas Mahmood Saeed et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
Abstract The Purpose of this research is the development Direct Search Methods for minimizing the objective function; The Developed Methods reduces the approach time to the minimum through two techniques: 1) by reducing...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Investigating the Numerical solution of the BoltzmannTransport Equation in silicon in Momentum Space Using Computational Systems of Different Dimensions
Artículo
Acceso abierto Artículo DOAJ
Mumtaz Hussien et al · University of Mosul, College of Education for Pure Science · 2020 · ISSN 1812-125X
Abstract The Boltzmann transport equation is the basic equation for solving the transport of charge carrier (electrons, holes) problems in semiconductor devices. The distribution function has been obtained from the solut...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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DEVELOPMENT AND ANALYSIS OF METHODS FOR SOLVING TYPICAL PROBLEMS OF RATIONAL DISTRIBUTION OF LIMITED RESOURCES
Artículo
Acceso abierto Artículo DOAJ
L. G. Raskin et al · Odessa National Academy of Food Technologies · 2026 · ISSN 2312-3125
The object of research is the problem of rational distribution of limited resources between subsystems of a complex system that function independently. The relevance of the work is determined by the fundamental features ...
LCC TENDOkF1dG9tYXRpb24~Idioma eng
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EXPERIMENTAL VISUALIZATION AND NUMERICAL SIMULATION OF FRAUNHOFER DIFFRACTION FROM ORDERED AND DISORDERED OPAQUE MICROSTRUCTURES FOR EDUCATION PRACTICE: ЕКСПЕРИМЕНТАЛЬНА ВІЗУАЛІЗАЦІЯ ТА ЧИСЕЛЬНЕ МОДЕЛЮВАННЯ ДИФРАКЦІЇ ФРАУНГОФЕРА ВІД ВПОРЯДКОВАНИХ І НЕВПОРЯДКОВАНИХ НЕПРОЗОРИХ МІКРОСТРУКТУР ДЛЯ ОСВІТНЬОЇ ПРАКТИКИ
Artículo
Acceso abierto Artículo DOAJ
Oleksii Voronkin et al · Sumy State Pedagogical University named after A.S. Makarenko · 2026 · ISSN 2413-1571
Formulation of the Problem. In teaching Fraunhofer diffraction, experimental approaches that clearly reveal the relationship between real-space structures and their Fourier-space representation remain limited in accessib...
LCC TENDOlNwZWNpYWwgYXNwZWN0cyBvZiBlZHVjYXRpb24~Idioma eng
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Open Access
Point interpolation methods based on weakened-weak formulations
Artículo
Acceso abierto Artículo DOAJ
Naísses Z. Lima et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · ISSN 2179-1074
This paper presents a study of meshless Point Interpolation Methods based on weakened-weak forms. The mathematical formulations of the methods are presented as well as the procedures for the support nodes selection calle...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Comparative study towards the effect of different irrigation methods on old lands in Egypt
Artículo
Acceso abierto Artículo DOAJ
Aya Anwar et al · Springer Nature · 2026 · ISSN 2357-0008
Abstract Given the escalating challenges of water scarcity and climate change, enhancing water productivity is crucial for achieving water security, particularly in arid regions with finite water resources. This study as...
LCC TENDOkh5ZHJhdWxpYyBlbmdpbmVlcmluZw~~; TENDOkVudmlyb25tZW50YWwgdGVjaG5vbG9neS4gU2FuaXRhcnkgZW5naW5lZXJpbmc~Idioma eng
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Survey of Parallel Block Methods
Artículo
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Bashir M. Khalaf et al · University of Mosul, College of Education for Pure Science · 2010 · ISSN 1812-125X
Abstract The main purpose of this research is the survey of the development Block parallel numerical algorithms for solute stiff ordinary differential equations which are suitable for running on MIMD (Multiple instructi...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Conjugate Gradient Methods in Fitting Precipitation of Rainfall Data in Malaysia
Artículo
Material complementario disponible Artículo DOAJ
Hua Ru Tang et al · MMU Press · 2025 · ISSN 2821-370X
Conjugate gradient method (CGM) is one of the most efficient numerical methods for solving unconstrained optimization problems. It is also known as an iterative method with simple formulation. The classical CGM has alway...
LCC LCC:Electronic computers. Computer science; TENDOkluZm9ybWF0aW9uIHRlY2hub2xvZ3k~Idioma eng
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Performance of affine-splitting pseudo-spectral methods for fractional complex Ginzburg-Landau equations
Artículo
Material complementario disponible Artículo CONICET Digital
Raviola, Lisandro et al · Elsevier Science Inc · 2024 · ISSN 0096-3003
We evaluate the performance of novel numerical methods for solving one-dimensional nonlinear fractional dispersive and dissipative evolution equations. The methods are based on affine combinations of time-splitting integ...
Idioma eng
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Time-Dilation Methods for Extreme Multiscale Timestepping Problems
Artículo
Acceso abierto Artículo DOAJ
Philip F. Hopkins et al · Maynooth Academic Publishing · 2026 · ISSN 2565-6120
Many astrophysical simulations involve extreme dynamic range of timescales around 'special points' in the domain (e.g. black holes, stars, planets, disks, galaxies, shocks, mixing interfaces), where processes on small sc...
LCC TENDOkFzdHJvbm9teQ~~; TENDOkFzdHJvcGh5c2ljcw~~Idioma eng
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Open Access
Global Precipitation Measurment: Methods, Datasets and Applications. Atmospheric Research
Artículo
Acceso abierto Artículo CONICET Digital
Tapiador, Francisco J. et al · Elsevier Science Inc · 2012 · ISSN 0169-8095
This paper explores the many aspects of precipitation measurement that are relevant to providing an accurate global assessment of this important environmental parameter. Methods discussed include ground data, satellite e...
Idioma eng
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Identification of Coronal Mass Ejection–Driven Shocks Based on Numerical Simulation and Deep Learning
Artículo
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Jing’en Li et al · IOP Publishing · 2026 · ISSN 1538-4357
Coronal mass ejections (CMEs) are eruptions originating from the solar corona, usually carrying a large amount of fast-flowing plasma into interplanetary space, accompanied by an enhanced magnetic field. CMEs can form sh...
LCC TENDOkFzdHJvcGh5c2ljcw~~Idioma eng
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Research and numerical simulation on dynamic tensile instability evolution mechanism of coal under different impact velocities
Artículo
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ZHANG Tong et al · Emergency Management Press · 2026 · ISSN 2096-2193
Understanding the strain-damage-energy dissipation mechanisms and evolution characteristics of deep coal and rock under impact loading is of great significance for the prevention and control of rockbursts. In this study,...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground construction; TENDOk1pbmluZyBlbmdpbmVlcmluZy4gTWV0YIdioma eng
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Some problems in numerical analyses of basal upheaval stability of foundation pits
Artículo
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WANG Cheng-hua , LI Ya-jie · Editorial Office of Chinese Journal of Geotechnical Engineering · 2017 · ISSN 1000-4548
Numerical analysis of basal upheaval stability of foundation pits is a very important method in researches on deep excavation engineering, which is in the initial development stage and is of important issues remained to ...
LCC LCC:Engineering geology. Rock mechanics. Soil mechanics. Underground constructionIdioma eng
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Open Access
Efficient Low-Complexity Optimized Channel Estimating Methods for OFDM-Based Low-Voltage Broadband Power Line Communication Systems
Artículo
Acceso abierto Artículo DOAJ
Evans Wilson Akpari et al · Sociedade Brasileira de Microondas e Optoeletrônica e Sociedade Brasileira de Eletromagnetismo · 2022 · ISSN 2179-1074
Abstract Broadband Power Line Communication (BB-PLC) technology enables data transmission for smart grid applications. Nevertheless, channel equalizers are required in the receiver to estimate and compensate for the nonl...
LCC LCC:Electrical engineering. Electronics. Nuclear engineeringIdioma eng
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Open Access
ON THE WAVELET METHODS TO SOLVE PERTURBATION BOUNDARY VALUE ROBLEMS
Artículo
Acceso abierto Artículo DOAJ
Kais Ismail et al · University of Mosul, College of Education for Pure Science · 2008 · ISSN 1812-125X
Abstract In this paper we present our numerical results to insure the improvement on the performance of PASVA algorithm to solve perturbation two-point boundary value problems, by using wavelet method in the inner loop o...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Nemesis: A multi-scale, multi-physics algorithm for astrophysics
Artículo
Acceso abierto Artículo DOAJ
Hochart E. et al · EDP Sciences · 2026 · ISSN 0004-6361
Context. Astronomical environments are governed by a complex interplay of physical processes, including gravitational dynamics, radiative transfer, stellar evolution, chemistry, and hydrodynamics. These processes span a ...
LCC TENDOkFzdHJvbm9teQ~~Idioma eng
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Constraining exotrojans in hot-Jupiter systems using transit timing variation observations from TESS
Artículo
Material complementario disponible Artículo DOAJ
Zhang Zixin et al · EDP Sciences · 2026 · ISSN 0004-6361
Context. Co-orbital objects, also known as Trojans, are celestial bodies that share a 1:1 mean motion resonance orbit with a planet. Many planets in our Solar System hold Trojans, yet none has been confirmed in exoplanet...
LCC TENDOkFzdHJvbm9teQ~~Idioma eng
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Dynamics of two planets in co-orbital motion
Artículo
Material complementario disponible Artículo CONICET Digital
Giuppone, Cristian Andrés et al · Wiley Blackwell Publishing, Inc · 2010 · ISSN 0035-8711
We study the stability regions and families of periodic orbits of two planets locked in a coorbital configuration. We consider different ratios of planetary masses and orbital eccentricities; we also assume that both pla...
Idioma eng
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