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

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

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

Complex variable boundary element methods for the solution of potential problems in simply and multiply connected domains

Authors: Mechanical Engineering Department, University of Florida, Gainesville, FL 32611, USA ( host institution ) Hsieh, C.K. ( author ) Kassab, Alain J. ( author )

Source: Computer Methods in Applied Mechanics and Engineering. 86:189-213

Subject Terms: 0203 mechanical engineering, 02 engineering and technology, 0101 mathematics, Other numerical methods in solid mechanics, 01 natural sciences, Boundary element methods applied to problems in solid mechanics

File Description: application/xml; [Elsevier APIv3]

Access URL: https://www.sciencedirect.com/science/article/abs/pii/004578259190127R
https://ui.adsabs.harvard.edu/abs/1991CMAME..86..189H/abstract

Modeling of hydrodynamic dispersion and two-phase flow in the complex variable boundary element method: Modeling of hydrodynamic dispersion and two-phase flow in the complex variable boundary element method.

Authors: Kozo Sato

Source: Computer Methods in Applied Mechanics and Engineering. 192:4425-4438

Subject Terms: Three or more component flows, Complex variable, Boundary element methods applied to problems in fluid mechanics, Multi-phase flow, 0207 environmental engineering, Boundary element method, 02 engineering and technology, Dispersion, 0204 chemical engineering, Complex variables methods applied to problems in fluid mechanics

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Access URL: https://zbmath.org/2031338
https://doi.org/10.1016/s0045-7825(03)00423-7
http://ui.adsabs.harvard.edu/abs/2003CMAME.192.4425S/abstract
https://www.sciencedirect.com/science/article/abs/pii/S0045782503004237

Complex variable boundary element method for potential flow with thin objects: Complex variable boundary element method for potential flow with thin objects.

Authors: Kozo Sato

Source: Computer Methods in Applied Mechanics and Engineering. 192:1421-1433

Subject Terms: Boundary element methods applied to problems in fluid mechanics, conformal mapping technique, 0211 other engineering and technologies, Jets and cavities, cavitation, free-streamline theory, water-entry problems, airfoil and hydrofoil theory, sloshing, singular solution, flow barriers, 02 engineering and technology, 0101 mathematics, Complex variables methods applied to problems in fluid mechanics, high-conductivity fracture, 01 natural sciences

File Description: application/xml

Access URL: https://zbmath.org/1972188
https://doi.org/10.1016/s0045-7825(02)00647-3
https://ui.adsabs.harvard.edu/abs/2003CMAME.192.1421S/abstract
https://www.sciencedirect.com/science/article/abs/pii/S0045782502006473

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

Complex variable approach to the BEM for multiple crack problems

Authors: Mitsunori Denda Y. F. Dong

Source: Computer Methods in Applied Mechanics and Engineering. 141:247-264

Subject Terms: crack-tip singularity, Fracture and damage, point forces, Other numerical methods in solid mechanics, 01 natural sciences, interpolation, elastic singularity solutions, Cauchy-type integrals, continuous distribution of dislocation dipoles, stress intensity factors, 0101 mathematics, orthogonal polynomials, singular weight functions, Boundary element methods applied to problems in solid mechanics

File Description: application/xml

Access URL: https://zbmath.org/1087084
https://doi.org/10.1016/s0045-7825(96)01120-6
https://www.researchwithrutgers.com/en/publications/complex-variable-approach-to-the-bem-for-multiple-crack-problems
http://ui.adsabs.harvard.edu/abs/1997CMAME.141..247D/abstract
https://www.sciencedirect.com/science/article/pii/S0045782596011206

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

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

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

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

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

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

Elliptical inhomogeneity with polynomial eigenstrains embedded in orthotropic materials

Authors: G. H. Nie C. K. Chan L. Guo

Source: Archive of Applied Mechanics. 81:157-170

Subject Terms: 0203 mechanical engineering, Inhomogeneity in solid mechanics, Classical linear elasticity, Anisotropy in solid mechanics, orthotropic, 02 engineering and technology, Complex-variable methods applied to problems in solid mechanics, polynomial conservation theorem, 0210 nano-technology, eigenstrains, complex function method, elliptical inhomogeneity

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Access URL: https://zbmath.org/6203711
https://doi.org/10.1007/s00419-009-0399-6
https://link.springer.com/article/10.1007/s00419-009-0399-6
https://ui.adsabs.harvard.edu/abs/2011AAM....81..157G/abstract
https://link.springer.com/content/pdf/10.1007%2Fs00419-009-0399-6.pdf

Application of the Complex Variable Semi-analytical Method for Improved Displacement Sensitivity Evaluation in Geometrically Nonlinear Truss Problems

Authors: Geovane Augusto Haveroth Joânesson Stahlschmidt Pablo Andrés Muñoz-Rojas

Source: Latin American Journal of Solids and Structures, Vol 12, Iss 5, Pp 980-1005

Subject Terms: Structural optimization, Sensitivity analysis, Finite element method, Nonlinear analyses, Mechanics of engineering. Applied mechanics, TA349-359, Descriptive and experimental mechanics, QC120-168.85

File Description: electronic resource

Relation: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-78252015000500980&lng=en&tlng=en; https://doaj.org/toc/1679-7825

Access URL: https://doaj.org/article/babb4a55857245c4bbcdf10defe30ffe

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

Potential flow in a semi-infinite channel with multiple sub-channels using the Schwarz–Christoffel transformation: Potential flow in a semi-infinite channel with multiple sub-channels using the Schwarz-Christoffel transformation

Authors: Philip M. J. Trevelyan Derek B. Ingham Lionel Elliott

Source: Computer Methods in Applied Mechanics and Engineering. 189:341-359

Subject Terms: complex potential theory, potential flow, 0103 physical sciences, multiple semi-infinite sub-channels, Jets and cavities, cavitation, free-streamline theory, water-entry problems, airfoil and hydrofoil theory, sloshing, semi-infinite channel, variable-step Adams method, semi-infinite room with inlet/outlet, Schwarz-Christoffel transformation, 0101 mathematics, Complex variables methods applied to problems in fluid mechanics, 01 natural sciences

File Description: application/xml

Access URL: http://ui.adsabs.harvard.edu/abs/2000CMAME.189..341T/abstract
https://www.sciencedirect.com/science/article/abs/pii/S0045782599002996
https://www.sciencedirect.com/science/article/pii/S0045782599002996#!
http://www.sciencedirect.com/science/article/pii/S0045782599002996