Suchergebnisse - "Numerical Algorithm"

Modeling of Thin Liquid Layer Flow on an Inclined Substrate Based on the Navier — Stokes Equations in the Case of Large Reynolds Numbers

Autoren: Ekaterina V. Laskovets

Quelle: Izvestiya of Altai State University; No 1(141) (2025): Известия Алтайского государственного университета; 35-40
Известия Алтайского государственного университета; № 1(141) (2025): Известия Алтайского государственного университета; 35-40

Schlagwörter: thin layer, evolution equation, generalized conditions, parametric analysis, тонкий слой, numerical algorithm, численный алгоритм, обобщенные условия, параметрический анализ, эволюционное уравнение

Dateibeschreibung: application/pdf

Zugangs-URL: https://izvestiya.asu.ru/article/view/(2025)1-04

Robust Iterative Method for Symmetric Quantum Signal Processing in All Parameter Regimes

Autoren: Dong, Yulong Lin, Lin Ni, Hongkang et al.

Quelle: SIAM Journal on Scientific Computing. 46(5)

Schlagwörter: Applied Mathematics, Numerical and Computational Mathematics, Mathematical Sciences, numerical algorithm, quantum algorithm, matrix product state, quantum signal processing, iterative method, Computation Theory and Mathematics, Numerical & Computational Mathematics, Applied mathematics, Numerical and computational mathematics

Dateibeschreibung: application/pdf

Zugangs-URL: https://escholarship.org/uc/item/62b6n72q
https://escholarship.org/content/qt62b6n72q/qt62b6n72q.pdf

Fractal fractional approach to investigate the forecasting and dynamics of malaria disease for early control precaution

Autoren: Muhammad Farman Ulas Hurdoganoglu Nehir Hincal et al.

Quelle: Scientific Reports, Vol 15, Iss 1, Pp 1-22 (2025)

Schlagwörter: Epidemic model, Qualitative analysis, Global stability, Numerical algorithm, Medicine, Science

Dateibeschreibung: electronic resource

Relation: https://doaj.org/toc/2045-2322

Zugangs-URL: https://doaj.org/article/81296191726447c7a723aa257bc1dcf7

Двухкомпонентная модель конкуренции с двумя разными свободными границами

Autoren: Зуннунов, Р.Т. Расулов, М.С. Паровик, Р.И.

Quelle: Vestnik KRAUNC: Fiziko-Matematičeskie Nauki, Vol 52, Iss 3, Pp 111-130 (2025)

Schlagwörter: модель, свободные границы, система квазилинейных параболических уравнений, априорные оценки, существование и единственность решений, численный алгоритм, python, model, free boundaries, system of quasilinear parabolic equations, a priori estimates, existence and uniqueness of solutions, numerical algorithm, Science

Dateibeschreibung: electronic resource

Relation: https://krasec.ru/ru/zunnunov2025523/; https://doaj.org/toc/2079-6641; https://doaj.org/toc/2079-665X

Zugangs-URL: https://doaj.org/article/acc36ddca9114c9ea984b88092fbf504

Analysis of a mathematical model for the spreading of the monkeypox virus with constant proportional-Caputo derivative operator

Autoren: Jutarat Kongson Chatthai Thaiprayoon Weerawat Sudsutad

Quelle: AIMS Mathematics, Vol 10, Iss 2, Pp 4000-4039 (2025)

Schlagwörter: basic reproduction number, constant proportional-caputo, QA1-939, numerical algorithm, monkeypox disease, ulam stability, Mathematics

Zugangs-URL: https://doaj.org/article/6243d9d94ad64138bff4d04fa497fc1b

Matrix-less methods for the spectral approximation of large non-Hermitian Toeplitz matrices: A concise theoretical analysis and a numerical study

Autoren: Bogoya, Manuel Ekström, Sven-Erik, Doctor Serra, Stefano et al.

Quelle: Numerical Linear Algebra with Applications. 31(4)

Schlagwörter: asymptotic expansion, eigenvalues, GLT sequences, numerical algorithm, spectral symbols, Toeplitz matrices, Beräkningsvetenskap med inriktning mot numerisk analys, Scientific Computing with specialization in Numerical Analysis

Dateibeschreibung: electronic

Zugangs-URL: https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-519369
https://doi.org/10.1002/nla.2545

Algorithms for Stochastically Rounded Elementary Arithmetic Operations in IEEE 754 Floating-Point Arithmetic

Autoren: Fasi, Massimiliano Mikaitis, Mantas

Quelle: IEEE Transactions on Emerging Topics in Computing. 9(3):1451-1466

Schlagwörter: Stochastic processes, Hardware, Standards, Tools, Software, Libraries, Monte Carlo methods, Floating-point arithmetic, error-free transformation, stochastic rounding, numerical analysis, numerical algorithm, IEEE 754

Dateibeschreibung: print

Zugangs-URL: https://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-94918
https://doi.org/10.1109/TETC.2021.3069165

Haar Wavelet Method for the Solution of Fourteenth Order Boundary Value Problems

Autoren: Rohul Amin Imran Khan Şuayip Yüzbaşı

Quelle: International Journal of Numerical Modelling: Electronic Networks, Devices and Fields. 38

Schlagwörter: Haar Wavelet, Numerical Algorithm, Convergence Rate, Nodal Points, Higher-Order Bvp

Zugangs-URL: https://hdl.handle.net/11772/22961

A Discontinuous Galerkin Method for Simulating 3D Seismic Wave Propagation in Nonlinear Rock Models: Verification and Application to the Mw 7.8 2015 Gorkha, Nepal Earthquake

Autoren: Zihua Niu Alice‐Agnes Gabriel Sebastian Wolf et al.

Quelle: Journal of Geophysical Research: Solid Earth

Schlagwörter: GENERAL, Climate and interannual variability, Numerical modeling, Remote sensing and electromagnetic processes, NATURAL HAZARDS, Atmospheric, Geological, Oceanic, Physical modeling, Spatial modeling, Climate impact, Risk, Disaster risk analysis and assessment, NONLINEAR GEOPHYSICS, Nonlinear waves, shock waves, solitons, OCEANOGRAPHY: PHYSICAL, Air/sea interactions, Decadal ocean variability, Ocean influence of Earth rotation, Sea level: variations and mean, Surface waves and tides, Tsunamis and storm surges, PALEOCEANOGRAPHY, POLICY SCIENCES, Benefit-cost analysis, RADIO SCIENCE, Ionospheric propagation, Radio oceanography, SEISMOLOGY, Earthquake ground motions and engineering seismology, Volcano seismology, SPACE PLASMA PHYSICS, Shock waves, Solitons and solitary waves, STRUCTURAL GEOLOGY, Mechanics, theory, and modeling, VOLCANOLOGY, Volcano/climate interactions, Atmospheric effects, Volcano monitoring, Effusive volcanism, Mud volcanism, Explosive volcanism, Volcanic hazards and risks, Research Article, nonlinear models, numerical algorithm, wave propagation, co-seismic wave speed changes, ground motion, supercomputing [Seismology, ATMOSPHERIC COMPOSITION AND STRUCTURE, Air/sea constituent fluxes, Volcanic effects, BIOGEOSCIENCES, Climate dynamics, Modeling, COMPUTATIONAL GEOPHYSICS, Numerical solutions, ELECTROMAGNETICS, Wave propagation, CRYOSPHERE, Avalanches, Mass balance, GEODESY AND GRAVITY, Ocean monitoring with geodetic techniques, Ocean/Earth/atmosphere/hydrosphere/cryosphere interactions, Global change from geodesy, GLOBAL CHANGE, Abrupt/rapid climate change, Climate variability, Earth system modeling, Impacts of global change, Land/atmosphere interactions, Oceans, Regional climate change, Sea level change, Solid Earth, Water cycles, HYDROLOGY, Climate impacts, Hydrological cycles and budgets, INFORMATICS, High-performance computing, Numerical algorithms, Spatial analysis and representation, IONOSPHERE, MARINE GEOLOGY AND GEOPHYSICS, Gravity and isostasy, MATHEMATICAL GEOPHYSICS, Fourier analysis, Spatial analysis, Spectral analysis, Wavelet transform, ATMOSPHERIC PROCESSES, Climate change and variability, Climatology, General circulation, Ocean/atmosphere interactions, Regional modeling, Theoretical modeling, OCEANOGRAPHY], ddc

Dateibeschreibung: application/pdf

Zugangs-URL: https://mediatum.ub.tum.de/1791823

Numerical study of the Sturm–Liouville problem

Autoren: S.D. Algazin A.A. Sinitsyn

Quelle: Iranian Journal of Numerical Analysis and Optimization, Vol 15, Iss Issue 2, Pp 645-654 (2025)

Schlagwörter: sturm–liouville problem, numerical algorithm without satura-tion, computational experiment, Applied mathematics. Quantitative methods, T57-57.97

Dateibeschreibung: electronic resource

Relation: https://ijnao.um.ac.ir/article_46107_cb14e19d534d2eec5527653eac18d4e2.pdf; https://doaj.org/toc/2423-6977; https://doaj.org/toc/2423-6969

Zugangs-URL: https://doaj.org/article/f3a958f9216843c3a75012efa0945c80

Optimization and Verification of One-dimensional Three-field Model for Transient Analysis of Pressurized Water Reactor

Autoren: YUAN Leqi1, LI Zanwang1, 2, FAN Jie1, 3, GOU Junli1, SHAN Jianqiang

Quelle: Yuanzineng kexue jishu, Vol 59, Iss 5, Pp 1016-1025 (2025)

Schlagwörter: two-fluid three-field model, reflooding, semi-implicit numerical algorithm, Nuclear engineering. Atomic power, TK9001-9401, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

Dateibeschreibung: electronic resource

Relation: https://doaj.org/toc/1000-6931

Zugangs-URL: https://doaj.org/article/deebcf5a2718463f8f346b16665925d5

Absolutely stable difference scheme for the delay partial differential equation with involution and Robin boundary condition

Autoren: A. Ashyralyev S. Ibrahim E. Hincal

Quelle: Қарағанды университетінің хабаршысы. Математика сериясы, Vol 115, Iss 3 (2024)

Schlagwörter: QA299.6-433, third order partial differential equations, delay, QA801-939, involution, Analytic mechanics, numerical algorithm, Robin boundary condition, Probabilities. Mathematical statistics, Analysis, QA273-280

Zugangs-URL: https://doaj.org/article/9f2dba28a522442c9ad1fb69643d1417

Higher-order multi-scale deep Ritz method (HOMS-DRM) and its convergence analysis for solving thermal transfer problems of composite materials

Autoren: Linghu, Jiale Dong, Hao Nie, Yufeng et al.

Quelle: Computational Mechanics. 75:71-95

Schlagwörter: deep Ritz method, convergence estimation, Mechanics of deformable solids, multi-scale thermal equations, high-accuracy numerical algorithm, higher-order multi-scale modeling

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/8001087
https://doi.org/10.1007/s00466-024-02491-3

Mathematical modelling for high precision ray tracing in optical design

Autoren: Changmao Wu Yuanyuan Xia Zhengwei Xu et al.

Quelle: Applied Mathematical Modelling. 128:103-122

Schlagwörter: Computing methodologies and applications, ray tracing, floating-point arithmetic, Numerical linear algebra, high precision numerical algorithm, Numerical approximation and computational geometry (primarily algorithms), error model, optical design

Dateibeschreibung: application/xml

Zugangs-URL: https://zbmath.org/7996730
https://doi.org/10.1016/j.apm.2024.01.012

Optical Mode Calculation in Large-Area Photonic Crystal Surface-Emitting Lasers

Autoren: Mindaugas Radziunas Eduard Kuhn Hans Wenzel et al.

Quelle: IEEE Photonics Journal, Vol 16, Iss 2, Pp 1-9 (2024)

Schlagwörter: 0301 basic medicine, 0303 health sciences, Modeling, 78-04, modeling, 65N25, QC350-467, Optics. Light, PCSEL, surface-emitting laser, 78M20, TA1501-1820, 03 medical and health sciences, Semiconductor diode, 35L02, 65Y04, calculations, Applied optics. Photonics, numerical algorithm, photonic crystal, 78A60, optical modes

Zugangs-URL: https://doaj.org/article/f08049a5fe394d6cb5b0c115866b4423

A Numerical Technique for Solving Optimization Problems

Autoren: Safaa M. Aljassas Ahmed Sabah Al-Jilawi

Quelle: Wasit Journal for Pure Sciences, Vol 2, Iss 4 (2023)

Schlagwörter: Science, numerical algorithm, Newton's method, nonlinear equations The Hessian matrix, Gradient of a function. numerical algorithm, Newton's method, nonlinear equations The Hessian matrix, Gradient of a function

Zugangs-URL: https://doaj.org/article/845fed9f1b534789b72735d753375a29

A Sensitivity-Based Algorithm Approach in Reconstructing Images in Electrical Impedance Tomography

Autoren: Rose Anne D. Alas Arrianne Crystal T. Velasco

Quelle: IEEE Access, Vol 12, Pp 146560-146574 (2024)

Schlagwörter: gateaux derivative, Electrical impedance tomography, numerical algorithm, Electrical engineering. Electronics. Nuclear engineering, image reconstruction, sensitivity, TK1-9971

Zugangs-URL: https://doaj.org/article/1acdb74ba81b4e449c5f5ff3af40a409

An algorithm for calculating spectral radius of $ s $-index weakly positive tensors

Autoren: Panpan Liu Hongbin Lv

Quelle: AIMS Mathematics, Vol 9, Iss 1, Pp 205-217 (2024)

Schlagwörter: $ h $-eigenvalue, $ s $-index weakly positive tensor, QA1-939, numerical algorithm, irreducible nonnegative tensor, Mathematics

Zugangs-URL: https://doaj.org/article/0f06a33435ba45eebc90146c99741ddf

Dynamics of solar radiation absorption for Darcy-Forchheimer Carreau nanofluid considering variable conductivity with chemical reaction: A solar thermal energy application

Autoren: Madiha Rashid Muhammad Irfan Taseer Muhammad et al.

Quelle: Results in Engineering, Vol 26, Iss , Pp 104670- (2025)

Schlagwörter: Darcy Forchheimer, Carreau Nanofluid, Thermal conductivity, Radiative heat flux, Numerical algorithm, Technology

Dateibeschreibung: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2590123025007479; https://doaj.org/toc/2590-1230

Zugangs-URL: https://doaj.org/article/dc475ad1740c488fb9c1d6c65b0b0449

Modelling of compositional gradient for reservoir fluid in a gas condensate deposit with account for scattered liquid hydrocarbons

Autoren: Ekaterina V. Kusochkova Ilya M. Indrupskii Dmitrii V. Surnachev et al.

Quelle: Записки Горного института, Vol 270, Pp 904-918 (2024)

Schlagwörter: gas condensate reservoir, initial fluid composition, variation of composition with depth, compositional gradient, liquid hydrocarbons, scattered oil, phase equilibrium, mathematical modelling, numerical algorithm, newton’s method, Mining engineering. Metallurgy, TN1-997

Dateibeschreibung: electronic resource

Relation: https://pmi.spmi.ru/pmi/article/view/16306?setLocale=en_US; https://doaj.org/toc/2411-3336; https://doaj.org/toc/2541-9404

Zugangs-URL: https://doaj.org/article/d9023c79dbaf4d81b2916dcb95f0f7dc