Výsledky vyhledávání - "Numerical experiments"

NUMERICAL EXPERIMENTS FOR THE LASER MARKING BY OXIDATION, MELTING AND EVAPORATION OF AISI 304 STAINLESS STEEL SAMPLES

Autoři: Angelov, Nikolay Lazov, Lyubomir Teirumnieka, Erika a další

Zdroj: ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference; Vol. 4 (2025): Environment. Technology. Resources. Proceedings of the 16th International Scientific and Practical Conference. Volume 4; 459-465

Témata: AISI 304 stainless steel, laser marking, power density, speed, Numerical calculation, Temperaturfeld3D, numerical experiments

Popis souboru: application/pdf

Přístupová URL adresa: https://journals.ru.lv/index.php/ETR/article/view/8393
https://journals.rta.lv/index.php/ETR/article/view/8393

Multi-Symptom Diagnostic Investigation of the Working Process of a Marine Diesel Engine: Case Study Part 1 Measurement Diagnostics

Autoři: Zbigniew Korczewski Jacek Rudnicki Roman Varbanets a další

Zdroj: Polish Maritime Research, Vol 32, Iss 2, Pp 50-61 (2025)

Témata: Naval architecture. Shipbuilding. Marine engineering, VM1-989, marine diesel engine, multisymptom diagnostics, working process, measurement and numerical experiments

Přístupová URL adresa: https://doaj.org/article/8002179bdedd4c7faf8dcd3c929ad17d

A stabilizer-free weak Galerkin finite element method for an optimal control problem of a time fractional diffusion equation

Autoři: Shuo Wang Jie Ma Ning Du

Zdroj: Mathematics and Computers in Simulation. 231:99-118

Témata: proper orthogonal decomposition, optimal control problem, a priori error estimate, Fluid mechanics, stabilizer-free weak Galerkin finite element method, time fractional diffusion equation, numerical experiments, Numerical analysis

Popis souboru: application/xml

Multi-Symptom Diagnostic Investigation of the Working Process of a Marine Diesel Engine: Case Study

Autoři: Korczewski Zbigniew Varbanets Roman Minchev Dmytro a další

Zdroj: Polish Maritime Research, Vol 32, Iss 4, Pp 87-96 (2025)

Témata: marine diesel engine, working process, multi-symptom diagnostics, measurement and numerical experiments, Naval architecture. Shipbuilding. Marine engineering, VM1-989

Popis souboru: electronic resource

Relation: https://doaj.org/toc/2083-7429

Přístupová URL adresa: https://doaj.org/article/717c31fdf9844fe7b0683c6da421cb78

Analytical solution of the systems of nonlinear fractional partial differential equations using conformable Laplace transform iterative method

Autoři: Nisar Gul Saima Noor Abdulkafi Mohammed Saeed a další

Zdroj: AIMS Mathematics, Vol 10, Iss 2, Pp 1945-1966 (2025)

Témata: iterative method, QA1-939, conformable laplace transform, conformable derivative, temporal-fractional differential equations, numerical experiments, Mathematics

Přístupová URL adresa: https://doaj.org/article/be563f67e8c7415e83a69a0820d8c3b2

Singular phenomena in the length spectrum of analytic convex curves

Autoři: Tamarit Sariol, Anna

Přispěvatelé: University/Department: Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada I

Thesis Advisors: Ramírez Ros, Rafael, Martín de la Torre, Pablo

Zdroj: TDX (Tesis Doctorals en Xarxa)

Témata: Billiards, Length spectrum, Exponentially small phenomena, Twist maps, Numerical experiments, High-precision computations, Dual billiards

Popis souboru: application/pdf

Přístupová URL adresa: http://hdl.handle.net/10803/318372
https://dx.doi.org/10.5821/dissertation-2117-95793

Mathematical modeling of Elbrus glaciers in the 21st century. Part 2. Forecasting glacier evolution and lake formation under various SSP scenarios

Autoři: T. N. Postnikova O. O. Rybak A. S. Gubanov a další

Zdroj: Лëд и снег, Vol 64, Iss 3, Pp 326-344 (2024)

Témata: glacial lake, climate change, glacier modeling, Science, cmip6, climate predictions, numerical model, numerical experiments, mountain glaciers, elbrus

Přístupová URL adresa: https://doaj.org/article/a13c0bbde50c46d4abe2e9afee618fd0

Mathematical modeling of Elbrus glaciers in the 21st century. Part 1. Glaciological model and setup of numerical experiments

Autoři: T. N. Postnikova O. O. Rybak A. S. Gubanov a další

Zdroj: Лëд и снег, Vol 64, Iss 3, Pp 303-325 (2024)

Témata: climate change, glacier modeling, climate projections, proglacial lakes, Science, cmip6, numerical experiments, mountain glaciers, mathematical model, elbrus

Přístupová URL adresa: https://doaj.org/article/b783eff91dc64278b1f0d00a1996d15c

Dynamic complexity in fractional multispecies ecological systems: A Caputo derivative approach

Autoři: Sonal Jain Kolade M. Owolabi Edson Pindza a další

Zdroj: Partial Differential Equations in Applied Mathematics, Vol 16, Iss , Pp 101293- (2025)

Témata: Fractional reaction–diffusion, Holling type-IV response, Hopf bifurcation, Local stability analysis, Numerical experiments, Applied mathematics. Quantitative methods, T57-57.97

Popis souboru: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2666818125002190; https://doaj.org/toc/2666-8181

Přístupová URL adresa: https://doaj.org/article/6ca67bcfeae2494bb98964cf15a532f1

Causes of the Outer Spiral Rainbands in Typhoon Yagi （ 2018） in Shandong Province of China

Autoři: Chunyan SHENG Sudan FAN Qiaona QU a další

Zdroj: Gaoyuan qixiang, Vol 44, Iss 3, Pp 672-693 (2025)

Témata: typhoon yagi, outer spiral rainbands, short-term heavy rainfall, wrf numerical experiments, linear mesoscale convective system, Meteorology. Climatology, QC851-999

Popis souboru: electronic resource

Relation: http://www.gyqx.ac.cn/EN/10.7522/j.issn.1000-0534.2024.00085; https://doaj.org/toc/1000-0534

Přístupová URL adresa: https://doaj.org/article/648f75a8e4e74ebc8b5c44dbc9f9089e

Quantitative relationship between unsuitable water intake time at Qingcaosha reservoir and river discharge under different northerly wind speeds

Autoři: Xinyi Guo Rui Ma Jianrong Zhu

Zdroj: Frontiers in Marine Science, Vol 12 (2025)

Témata: saltwater intrusion, estuarine reservoir, river discharge, continuous unsuitable water intake time, numerical experiments, Science, General. Including nature conservation, geographical distribution, QH1-199.5

Popis souboru: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fmars.2025.1661094/full; https://doaj.org/toc/2296-7745

Přístupová URL adresa: https://doaj.org/article/0422b7d3eec14652a900500b182af5f4

Dual Adaptive Neural Network for Solving Free-Flow Coupled Porous Media Models Under Unique Continuation Problem

Autoři: Kunhao Liu Jibing Wu

Zdroj: Computation, Vol 13, Iss 10, p 228 (2025)

Témata: adaptive algorithm, neural network, coupled models, unique continuation problem, 2D/3D numerical experiments, Electronic computers. Computer science, QA75.5-76.95

Popis souboru: electronic resource

Relation: https://www.mdpi.com/2079-3197/13/10/228; https://doaj.org/toc/2079-3197

Přístupová URL adresa: https://doaj.org/article/d6bb14ab4edf4edebf4534d95393c9b3

Image Restoration via the Integration of Optimal Control Techniques and the Hamilton–Jacobi–Bellman Equation

Autoři: Dragos-Patru Covei

Zdroj: Mathematics, Vol 13, Iss 19, p 3137 (2025)

Témata: image restoration, numerical experiments, Mathematics, QA1-939

Popis souboru: electronic resource

Relation: https://www.mdpi.com/2227-7390/13/19/3137; https://doaj.org/toc/2227-7390

Přístupová URL adresa: https://doaj.org/article/c5e58166768c4f398b2997bdf014a2f4

Enhancing airfoil design optimization surrogate models using multi-task learning: Separating airfoil surface and fluid domain predictions

Autoři: Xin Hu Bo An Yongke Guan a další

Zdroj: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Témata: Aerodynamic engineering, Data-driven methods, Flight conditions, Aerodynamic force coefficients, Predictive accuracy, Deep learning, Internal volume features, Airfoil shapes, Computational fluid dynamics, Multi-head neural networks, Surrogate model, Multi-task learning, Grid generation, Numerical simulations, Airfoil design optimization, Open-source dataset, Boundary condition setup, Computational cost, Surface characteristics, Surface and volume predictions, MTL optimization strategies, Flow field prediction, Numerical experiments

Popis souboru: application/pdf

Přístupová URL adresa: https://hdl.handle.net/2117/428699
https://doi.org/10.1063/5.0258928

Моделирование экстремальных климатических условий, связанных с формированием суперконтинента Пангея Ультима

Témata: supercontinent climate, климат суперконтинента, global climate model, прогноз, глобальная климатическая модель, моделирование климата, prediction, climate modelling, numerical experiments, численные эксперименты

Rectification of a deep water model for surface gravity waves

Autoři: Duchêne, Vincent Melinand, Benjamin Duchene, Vincent a další

Přispěvatelé: Duchêne, Vincent Melinand, Benjamin Duchene, Vincent a další

Zdroj: Pure and Applied Analysis. 6:73-128

Témata: asymptotic model, 01 natural sciences, regularization, Water waves, Mathematics - Analysis of PDEs, 0103 physical sciences, FOS: Mathematics, [MATH.MATH-AP]Mathematics [math]/Analysis of PDEs [math.AP], [MATH.MATH-AP] Mathematics [math]/Analysis of PDEs [math.AP], 0101 mathematics, numerical experiments, ill-posedness, Analysis of PDEs (math.AP)

Popis souboru: application/pdf

Přístupová URL adresa: http://arxiv.org/abs/2203.03277

Modeling different infectious phases of hepatitis B with generalized saturated incidence: An analysis and control

Autoři: Tahir Khan Fathalla A. Rihan Muhammad Ibrahim a další

Zdroj: Mathematical Biosciences and Engineering, Vol 21, Iss 4, Pp 5207-5226 (2024)

Témata: 0301 basic medicine, Hepatitis B virus, hepatitis b virus, Epidemiology, stability and control analysis, Population, Basic Reproduction Number, epidemiological model, Geometry, Models, Biological, Hepatitis, multi-infection, 03 medical and health sciences, Hepatitis B, Chronic, Sociology, Virology, Health Sciences, QA1-939, FOS: Mathematics, Humans, Computer Simulation, numerical experiments, Internal medicine, Demography, 0303 health sciences, Hepatology, Hepatitis B Infection and Treatment, Incidence, Incidence (geometry), Liver Neoplasms, Public Health, Environmental and Occupational Health, 15. Life on land, HBV Infection, Hepatitis B, Basic reproduction number, FOS: Sociology, Virus, 3. Good health, Environmental health, Hepatitis C Infection and Treatment, 13. Climate action, Disease Transmission and Population Dynamics, Medicine, generalize saturated incidence, TP248.13-248.65, Algorithms, Mathematics, Biotechnology

Přístupová URL adresa: https://pubmed.ncbi.nlm.nih.gov/38872533
https://doaj.org/article/d51293d373ff4b1bb27c77046751e6d3

Equivalent diagrams of fractional order elements

Autoři: Sebastian Różowicz Maciej Włodarczyk Andrzej Zawadzki

Zdroj: Archives of Control Sciences, Vol vol. 33, Iss No 4, Pp 801-827 (2024)

Témata: cfe method, circuit synthesis, 0502 economics and business, 05 social sciences, QA1-939, fractional order derivative, Information technology, numerical experiments, T58.5-58.64, Mathematics, laplace transformfor fractional order systems, 0506 political science

Parallel Algorithm of Balanced Sparse Packing of Rectangular Parallelepipeds

Autoři: Oleg Berezovskyi Oleksii Lykhovyd Maria Stetsyuk

Zdroj: Кібернетика та комп'ютерні технології, Iss 4, Pp 34-42 (2023)

Témata: balanced sparse packing, multistart method, 0211 other engineering and technologies, 0202 electrical engineering, electronic engineering, information engineering, penalty function, Q300-390, 02 engineering and technology, r-algorithm, 'master-slave' procedure, numerical experiments, Cybernetics

Přístupová URL adresa: https://doaj.org/article/d3ee291ae7b14cacb0927f43fd2f80ae

Discontinuous Galerkin Two-Grid Method for the Transient Navier–Stokes Equations: Discontinuous Galerkin two-grid method for the transient Navier-Stokes equations

Autoři: Ray, Kallol Goswami, Deepjyoti Bajpai, Saumya

Zdroj: Computational Methods in Applied Mathematics. 24:935-966

Témata: Error bounds for initial value and initial-boundary value problems involving PDEs, optimal error estimates, Navier-Stokes equations for incompressible viscous fluids, transient Navier-Stokes equations, discontinuous Galerkin method, backward Euler approximations, Finite element, Rayleigh-Ritz and Galerkin methods for initial value and initial-boundary value problems involving PDEs, two-grid method, 0101 mathematics, numerical experiments, 01 natural sciences, Finite element methods applied to problems in fluid mechanics

Popis souboru: application/xml

Přístupová URL adresa: https://zbmath.org/7956264
https://doi.org/10.1515/cmam-2023-0035