Search Results - complex-variable methods applied to problems in applied (mechanika 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

On Some Initial-Boundary-Value Problems in Aerohydroelasticity.

Authors: Velmisov, P. A. Pokladova, Yu. V. Mizher, U. J.

Source: Journal of Mathematical Sciences. Feb2025, Vol. 288 Issue 1, p17-31. 15p.

Subject Terms: *MATHEMATICAL complex analysis, *APPLIED mathematics, *PARTIAL differential equations, *COMPUTATIONAL mathematics, *MATHEMATICAL models

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

Using the digamma function for basis functions in mesh-free computational methods.

Authors: Wilkins, Bryce D. Hromadka II, Theodore V.

Source: Engineering Analysis with Boundary Elements. Oct2021, Vol. 131, p218-227. 10p.

Subject Terms: *BOUNDARY element methods, *BOUNDARY value problems, *COMPLEX variables, *PARTIAL differential equations

People: STIRLING, James Frazer, 1926-1992

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

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

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

File Description: application/xml

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

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

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 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

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

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

Modified complex variable method for displacement induced by surcharge loads and shallow tunnel excavation.

Authors: Lin, Luo-bin Chen, Fu-quan Li, Da-yong

Source: Journal of Engineering Mathematics; Aug2020, Vol. 123 Issue 1, p1-18, 18p

Investigation of the Tunnel Water Inflow Prediction Method Based on the MODFLOW-DRAIN Module.

Authors: Chen, Zhou Su, Zhaoqiang Li, Mei et al.

Source: Water (20734441); Apr2024, Vol. 16 Issue 8, p1078, 15p

Subject Terms: WATER tunnels, UNDERGROUND construction, TERRITORIAL waters, EMPIRICAL research, WATER boundaries