Search Results - complex-variable methods applied to problems in applied (technical OR technical)

HYDRODYNAMIC LOADS DURING ACCELERATION OF A CYLINDER UNDER A FREE SURFACE: Hydrodynamic loads during acceleration of a cylinder under a free surface

Authors: Golikov, A. E. Makarenko, N. I.

Source: Journal of Applied Mechanics and Technical Physics. 63:806-815

Subject Terms: integro-differential equation, 0203 mechanical engineering, Asymptotic methods, singular perturbations applied to problems in fluid mechanics, 0103 physical sciences, Jets and cavities, cavitation, free-streamline theory, water-entry problems, airfoil and hydrofoil theory, sloshing, small-time asymptotic solution, 02 engineering and technology, complex fluid velocity, Complex variables methods applied to problems in fluid mechanics, Euler equations, 01 natural sciences

File Description: application/xml

Unsupervised clustering for sepsis identification in large-scale patient data: a model development and validation study.

Authors: Li, Na Riazi, Kiarash Pan, Jie et al.

Source: Intensive Care Medicine Experimental; 7/7/2025, Vol. 13 Issue 1, p1-12, 12p

Subject Terms: SEPSIS, CLUSTERING algorithms, MODEL validation, MEDICAL records, MACHINE learning, EPIDEMIOLOGY, MEDICAL coding, NOSOCOMIAL infections

AI in Pediatric Spine Care: Clinical, Research, and Ethical Considerations.

Authors: Nugraha, Hans K. Rasmussen, Adam P. Mulford, Kellen L. et al.

Source: Journal of Clinical Medicine; Nov2025, Vol. 41 Issue 22, p8115, 16p

Subject Terms: ARTIFICIAL intelligence, MACHINE learning, ETHICAL problems, DATA privacy, DEEP learning, CLINICAL medicine, PEDIATRIC therapy, PROGNOSIS

Optimizing precision farming: enhancing machine learning efficiency with robust regression techniques in high-dimensional data.

Authors: Abu Afouna, Nour Hamad Majahar Ali, Majid Khan

Source: Journal of Nigerian Society of Physical Sciences; Feb2025, Vol. 7 Issue 1, p1-25, 25p

Subject Terms: PRECISION farming, MACHINE learning, REGRESSION analysis, SCALABILITY, MATHEMATICAL variables

Postcritical regimes in the nonlinear problem of vortex motion under the free surface of a weighable fluid

Authors: N. M. Sherykhalina V. P. Zhitnikov O. I. Sherykhalin

Source: Journal of Applied Mechanics and Technical Physics. 41:62-68

Subject Terms: flow around a point vortex, collocation method, method of direct conformal mapping, solution in terms of the Joukowski function, 0103 physical sciences, 02 engineering and technology, Vortex flows for incompressible inviscid fluids, Complex variables methods applied to problems in fluid mechanics, flow of an ideal weighable fluid, 01 natural sciences, 0201 civil engineering

File Description: application/xml

Access URL: https://zbmath.org/1534603
https://link.springer.com/article/10.1007/BF02465238
http://ui.adsabs.harvard.edu/abs/2000JAMTP..41...62Z/abstract

Medical Digital Twin: A Review on Technical Principles and Clinical Applications.

Authors: Tortora, Mario Pacchiano, Francesco Ferraciolli, Suely Fazio et al.

Source: Journal of Clinical Medicine; Jan2025, Vol. 14 Issue 2, p324, 22p

Subject Terms: DIGITAL twin, DIGITAL health, PREVENTIVE medicine, ARTIFICIAL intelligence, MEDICAL care

Ordered Indicator Kriging Interpolation Method with Field Variogram Parameters for Discrete Variables in the Aquifers of Quaternary Loose Sediments.

Authors: Ji, Guangjun Cai, Zizhao Xiao, Keyan et al.

Source: Water (20734441); Nov2025, Vol. 17 Issue 21, p3116, 21p

Subject Terms: AQUIFERS, KRIGING, SEDIMENTS, GEOLOGICAL modeling, VARIOGRAMS, PETROLOGY, GEOGRAPHIC spatial analysis, GROUNDWATER management

Hybrid Variational Modal Decomposition-Extreme Learning Machine-Adaptive Boosting Model for Monthly Runoff Prediction.

Authors: Wu, Li Tian, Junfeng Jiang, Zhongfeng et al.

Source: Water (20734441); Nov2025, Vol. 17 Issue 21, p3129, 20p

Subject Terms: EXTREME learning machines, BOOSTING algorithms, ENSEMBLE learning, WATER management, RUNOFF analysis, FLOOD control

Tools for assessing ball skills based on game scenarios: a systematic review and related insights.

Authors: Zhang, Duoyao Shi, Peng Jin, Teng et al.

Source: BMC Sports Science, Medicine & Rehabilitation; 3/4/2025, Vol. 17 Issue 1, p1-17, 17p

Subject Terms: CITATION analysis, AUTHENTIC assessment, TEAM sports, INTER-observer reliability, ELECTRONIC information resource searching, PHYSICAL education teachers

Methods of complex variables and functional analysis applied to physical problems. Final report 5 Nov 1965--31 Aug 1975

Contributors: Newton, R

Source: Other Information: Sponsored in part by Grants DA-ARO(D)-31-124-G1059 and DA-ARO-D-31-124-72-G21

File Description: Medium: X; Size: Pages: 23

Access URL: http://www.osti.gov/scitech/biblio/7333266

Double‐fluid steady filtration flows in near‐shore water‐bearing strata: Double-fluid steady filtration flows in near-shore water-bearing strata

Authors: V. N. Monakhov

Source: Journal of Applied Mechanics and Technical Physics. 42:818-826

Subject Terms: Hydrology, hydrography, oceanography, porous channels, Flows in porous media, filtration, seepage, existence, uniqueness, two-dimensional stationary filtration, 02 engineering and technology, PDEs in connection with fluid mechanics, 01 natural sciences, 6. Clean water, 0203 mechanical engineering, 0103 physical sciences, contact filtration, Complex variables methods applied to problems in fluid mechanics, fresh-water lens, water-bearing stratum of fresh water, complex-variable methods, unknown contact interface

File Description: application/xml

Access URL: https://zbmath.org/1682333
http://ui.adsabs.harvard.edu/abs/2001JAMTP..42..818M/abstract
https://link.springer.com/article/10.1023/A:1017948611192

Higher-order approximations of cnoidal-wave theory

Authors: E. A. Karabut

Source: Journal of Applied Mechanics and Technical Physics. 41:84-94

Subject Terms: shallow-water theory, ordinary quadratically nonlinear differential-difference equation, complex-variable method, surface gravity waves, 0202 electrical engineering, electronic engineering, information engineering, 02 engineering and technology, 0101 mathematics, Complex variables methods applied to problems in fluid mechanics, 01 natural sciences, Solitary waves for incompressible inviscid fluids

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Access URL: https://zbmath.org/1534606
https://ui.adsabs.harvard.edu/abs/2000JAMTP..41...84K/abstract
https://link.springer.com/content/pdf/10.1007/BF02465241.pdf
https://link.springer.com/article/10.1007/BF02465241

zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Authors: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

Subject Terms: Control problems for functional-differential equations, Statistical block designs, Deterministic scheduling theory in operations research, Analysis of algorithms and problem complexity, Markov processes: hypothesis testing, Bayesian inference, Graphical methods in statistics, Combustion, Gas dynamics (general theory), Antennas, waveguides in optics and electromagnetic theory, Fault detection, testing in circuits and networks, History, political science, Applications of statistics to biology and medical sciences, meta analysis, Information storage and retrieval of data, Statistical mechanics of liquids, Large-scale systems, Biological applications of optics and electromagnetic theory, Stochastic analysis applied to problems in fluid mechanics, Coherent states, Iteration theory, iterative and composite equations, Granular flows, Finite difference methods for boundary value problems involving PDEs, History of mathematics in the 20th century, Symmetric functions and generalizations, Statistics, Feedback control, Optimization problems in optics and electromagnetic theory, Variational inequalities, Meteorology and atmospheric physics, Shock waves and blast waves in fluid mechanics, 2-person games, Theory of languages and software systems (knowledge-based systems, expert systems, etc.) for artificial intelligence, Optimal statistical designs, Technical applications of optics and electromagnetic theory, Discrete location and assignment, Applications of mathematical programming, Perturbations in control/observation systems, Arithmetic ground fields for surfaces or higher-dimensional varieties, Miscellaneous inequalities involving matrices, Computational methods for problems pertaining to operations research and mathematical programming, Numerical analysis or methods applied to Markov chains, Variable structure systems, Stochastic stability in control theory, Nonparametric estimation, Coding and information theory (compaction, compression, models of communication, encoding schemes, etc.) (aspects in computer science), Strong limit theorems, Ridge regression, shrinkage estimators (Lasso), Management decision making, including multiple objectives, Physiology (general), General topics in the theory of software, Non-Markovian processes: estimation, Experimental work for problems pertaining to fluid mechanics, Combinatorics of partially ordered sets, Problems related to evolution, Adaptive control/observation systems, Asymptotic properties of nonparametric inference, Development of contemporary mathematics, Numerical interpolation, Deterministic network models in operations research, Singular functions, Cantor functions, functions with other special properties, System identification, Kinetics in biochemical problems (pharmacokinetics, enzyme kinetics, etc.), Logic in artificial intelligence, Biomedical imaging and signal processing, Classification and discrimination, cluster analysis (statistical aspects), Other numerical methods (fluid mechanics), Fuzzy control/observation systems, Combinatorics in computer science, Representations of finite symmetric groups, Parallel numerical computation, Applications of statistics to physics, Combinatorial aspects of block designs, Mathematical modelling of systems, Cell movement (chemotaxis, etc.), Contraction-type mappings, nonexpansive mappings, \(A\)-proper mappings, etc, Waves and radiation in optics and electromagnetic theory, Problem solving in the context of artificial intelligence (heuristics, search strategies, etc.), Artificial intelligence, Measures of information, entropy, Adaptive or robust stabilization, Nuclear physics, Basic methods in fluid mechanics, Lyapunov and other classical stabilities (Lagrange, Poisson, \(L^p, l^p\), etc.) in control theory, General theory of rotating fluids, Inventory, storage, reservoirs, Decision theory, Finite difference methods applied to problems in fluid mechanics, Applications of Markov chains and discrete-time Markov processes on general state spaces (social mobility, learning theory, industrial processes, etc.), Neural biology, Chemistry (general) in thermodynamics and heat transfer, Medical applications (general), Graph algorithms (graph-theoretic aspects), Quantum computation, Case-oriented studies in operations research, Actuarial science and mathematical finance, Iteration of real functions in one variable, Abstract data types, algebraic specification, Parametric tolerance and confidence regions, Mathematical programming, Delay control/observation systems, Multiphase and multicomponent flows, Multivariable systems, multidimensional control systems, Programming involving graphs or networks, Experimental work for problems pertaining to quantum theory, Soliton theory, asymptotic behavior of solutions of infinite-dimensional Hamiltonian systems, Functional equations in the complex plane, iteration and composition of analytic functions of one complex variable, Physical optics, Biographies, obituaries, personalia, bibliographies, Elliptic surfaces, elliptic or Calabi-Yau fibrations, Traffic problems in operations research, Many-valued logic, Molecular physics, Operations research, mathematical programming, Other numerical methods (thermodynamics), Reaction effects in flows, Biochemistry, molecular biology, Direct numerical and large eddy simulation of turbulence, Learning and adaptive systems in artificial intelligence, Applications of statistics in engineering and industry, control charts, Applications of statistics, Computational methods for problems pertaining to quantum theory, Stability theory for ordinary differential equations, Operations research and management science, Graph labelling (graceful graphs, bandwidth, etc.), Iterative procedures involving nonlinear operators, Rational and ruled surfaces, Application models in control theory, Finite-time stability, Networked control, Packing and covering in \(n\) dimensions (aspects of discrete geometry), Sensitivity (robustness), Nonlinear systems in control theory, Statistical distribution theory, Semi-infinite programming, Abstract computational complexity for mathematical programming problems, Invariant metrics and pseudodistances in several complex variables, Computational methods in systems theory, Multi-objective and goal programming, Asymptotic stability in control theory, Quantum optics, Consumer behavior, demand theory, Natural language processing, Exact distribution theory in statistics, Lasers, masers, optical bistability, nonlinear optics, Small divisors, rotation domains and linearization in holomorphic dynamics, Neural networks for/in biological studies, artificial life and related topics, Special problems of linear programming (transportation, multi-index, data envelopment analysis, etc.), Markov chains (discrete-time Markov processes on discrete state spaces), Dynamics of complex polynomials, rational maps, entire and meromorphic functions, Fatou and Julia sets, Simulation and numerical modelling (quantum field theory), Design techniques (robust design, computer-aided design, etc.), Linear systems in control theory, Combinatorial aspects of representation theory, Sensitivity, stability, parametric optimization, Mathematical economics and fuzziness, Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics, Genetics and epigenetics, Production models, Diffraction, scattering

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Stresses in a weighable half-plane with a semicircular notch

Authors: A. D. Zaikin

Source: Journal of Applied Mechanics and Technical Physics. 41:139-148

Subject Terms: 0203 mechanical engineering, Classical linear elasticity, concentrator of stresses, 0103 physical sciences, 02 engineering and technology, elastic half-plane with a notch, Complex variables methods applied to problems in fluid mechanics, 01 natural sciences

File Description: application/xml

Access URL: https://zbmath.org/1534612
https://ui.adsabs.harvard.edu/abs/2000JAMTP..41..139Z/abstract
https://link.springer.com/article/10.1007/BF02465248

An Analysis of the Stress–Strain State of a Layer on Two Cylindrical Bearings.

Authors: Miroshnikov, Vitaly Denshchykov, Oleksandr Grebeniuk, Iaroslav et al.

Source: Computation; Sep2024, Vol. 12 Issue 9, p182, 10p

Subject Terms: SEPARATION of variables, ALGEBRAIC equations, INTERNAL friction, GEOMETRIC modeling, FIBROUS composites

Model analysis of aspects of the flow field ahead of a density current

Authors: Carlos Härtel

Source: European Journal of Mechanics - B/Fluids. 20:415-425

Subject Terms: density current, Free-surface potential flows for incompressible inviscid fluids, end wall, 01 natural sciences, separation line, Incompressible viscous fluids, complex potential, two-dimensional point sources, 0101 mathematics, Complex variables methods applied to problems in fluid mechanics, plane channels, gravity current, streamlines, 0105 earth and related environmental sciences

File Description: application/xml

Access URL: https://zbmath.org/1643243
https://doi.org/10.1016/s0997-7546(01)01132-3
https://ui.adsabs.harvard.edu/abs/2001EJMF...20..415H/abstract
https://www.sciencedirect.com/science/article/pii/S0997754601011323

The Loewner Equation: Maps and Shapes: The Loewner equation: maps and shapes

Authors: Ilya A. Gruzberg Leo P. Kadanoff

Source: Journal of Statistical Physics. 114:1183-1198

Subject Terms: Statistical Mechanics (cond-mat.stat-mech), Stochastic methods (Fokker-Planck, Langevin, etc.) applied to problems in time-dependent statistical mechanics, 0103 physical sciences, FOS: Physical sciences, General theory of univalent and multivalent functions of one complex variable, criticality in two dimensions, PDEs with randomness, stochastic partial differential equations, Stochastic Loewner evolution, conformal field theory, 0101 mathematics, 01 natural sciences, Two-dimensional field theories, conformal field theories, etc. in quantum mechanics, Condensed Matter - Statistical Mechanics

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Access URL: http://arxiv.org/pdf/cond-mat/0309292
http://arxiv.org/abs/cond-mat/0309292
https://zbmath.org/2129394
https://doi.org/10.1023/b:joss.0000013973.40984.3b
https://arxiv.org/pdf/cond-mat/0309292
https://arxiv.org/abs/cond-mat/0309292
https://www.uvm.edu/~pdodds/files/papers/others/2004/gruzberg2004a.pdf
https://ui.adsabs.harvard.edu/abs/2004JSP...114.1183G/abstract
https://link.springer.com/article/10.1023/B:JOSS.0000013973.40984.3b
http://www.afhalifax.ca/magazine/wp-content/sciences/EmpilementDeDisques/articles/Gruzberg.pdf

An Automated Method for Identifying Voids and Severe Loosening in GPR Images.

Authors: Chai, Ze Wang, Zicheng Xu, Zeshan et al.

Source: Journal of Imaging; Aug2025, Vol. 11 Issue 8, p255, 29p

Artificial Intelligence in Environment and Human Health: Progress, Opportunities and Challenges.

Authors: Han, Dongyang Xu, Yanyi Lin, Luofei et al.

Source: Current Environmental Health Reports; 11/17/2025, Vol. 12 Issue 1, p1-16, 16p

Short-Term Displacement Prediction of Rainfall-Induced Landslides Through the Integration of Static and Dynamic Factors: A Case Study of China.

Authors: Cheng, Chuyun Zhao, Wenyi Wu, Lun et al.

Source: Water (20734441); Oct2025, Vol. 17 Issue 19, p2882, 20p

Subject Terms: LANDSLIDE prediction, LANDSLIDES, GEOTECHNICAL engineering, PREDICTION algorithms, DATA augmentation

Geographic Terms: CHINA