Výsledky vyhledávání - "multigrid preconditioned conjugate gradient algorithm"

A Parallel Multigrid Preconditioned Conjugate Gradient Algorithm for Groundwater Flow Simulations

Autoři: S. F. Ashby Robert D. Falgout

Zdroj: Nuclear Science and Engineering. 124:145-159

Témata: 0208 environmental biotechnology, 0207 environmental engineering, 02 engineering and technology, 6. Clean water

Přístupová URL adresa: https://www.tandfonline.com/doi/abs/10.13182/NSE96-A24230
https://www.ans.org/pubs/journals/nse/a_24230
https://www.osti.gov/scitech/biblio/379811-parallel-multigrid-preconditioned-conjugate-gradient-algorithm-groundwater-flow-simulations

On the Convergence Rate of a Preconditioned Subspace Eigensolver: On the convergence rate of a preconditioned subspace eigensolver

Autoři: Suely Oliveira

Zdroj: Computing. 63:219-231

Témata: Numerical computation of eigenvalues and eigenvectors of matrices, Iterative numerical methods for linear systems, Multigrid methods, domain decomposition for boundary value problems involving PDEs, convergence, subspace method, preconditioner, eigenvalue problems, Numerical computation of matrix norms, conditioning, scaling, 01 natural sciences, multigrid preconditioned conjugate gradient algorithm, Boundary value problems for second-order elliptic equations, Davidson type algorithm, 0101 mathematics, condition number

Popis souboru: application/xml

Přístupová URL adresa: https://link.springer.com/content/pdf/10.1007/s006070050032.pdf
https://core.ac.uk/display/24027405
https://link.springer.com/article/10.1007/s006070050032
https://dblp.uni-trier.de/db/journals/computing/computing63.html#Oliveira99

Bone structure analysis on multiple GPGPUs

Autoři: Arbenz, Peter Flaig, Cyril Kellenberger, Daniel

Témata: Voxel-based computation, VERTEILTE PROGRAMMIERUNG + PARALLELE PROGRAMMIERUNG (PROGRAMMIERMETHODEN), OSTEOPOROSE (PATHOLOGIE), BONE STRUCTURE (ANATOMY AND PHYSIOLOGY), Micro nite element analysis, KNOCHENSTRUKTUR (ANATOMIE UND PHYSIOLOGIE), OSTEOPOROSIS (PATHOLOGY), CONCURRENT PROGRAMMING + DISTRIBUTED PROGRAMMING + PARALLEL PROGRAMMING (PROGRAMMING METHODS), Multigrid preconditioned conjugate gradient algorithm, Multiple GPGPUs, info:eu-repo/classification/ddc/004, info:eu-repo/classification/ddc/610, Data processing, computer science, Medical sciences, medicine

Popis souboru: application/application/pdf

Relation: http://hdl.handle.net/20.500.11850/80387

Dostupnost: https://hdl.handle.net/20.500.11850/80387
https://doi.org/10.3929/ethz-a-010056782

基于 PDE 灵敏度滤波器的算法研究. (Chinese)

Alternate Title: Algorithm Research Based on the PDE Sensitivity Filter. (English)

Autoři: 孟换利 张岐良 王 杰

Zdroj: Applied Mathematics & Mechanics (1000-0887); Jan2023, Vol. 44 Issue 1, p80-92, 13p

Témata: MULTIGRID methods (Numerical analysis), CONJUGATE gradient methods, PATTERNS (Mathematics), BOUNDARY value problems, PARTIAL differential equations, FINITE element method, ALGEBRAIC equations

A new approach for joint assimilation of cosmic-ray neutron soil moisture and groundwater level data into an integrated terrestrial model.

Autoři: Li, Fang Bogena, Heye Reemt Keller, Johannes a další

Zdroj: Hydrology & Earth System Sciences; 2025, Vol. 29 Issue 22, p6419-6443, 25p

Coupling the ParFlow Integrated Hydrology Model within the NASA Land Information System: a case study over the Upper Colorado River Basin.

Autoři: Abbaszadeh, Peyman Zaouna Maina, Fadji Yang, Chen a další

Zdroj: Hydrology & Earth System Sciences; 2025, Vol. 29 Issue 20, p5429-5452, 24p

Témata: HYDROLOGY, GROUNDWATER, CLIMATE change, COMPUTER simulation, WATERSHEDS, SOIL moisture, HYDROLOGIC models, WATER supply

Korporace: UNITED States. National Aeronautics & Space Administration

Subgrid channel formulation in an integrated surface-subsurface hydrologic model.

Autoři: Peeples, Amelia Maxwell, Reed M.

Zdroj: Frontiers in Water; 2025, p1-12, 12p

Témata: HYDROLOGIC models, MICROCHANNEL flow, FLOW measurement, RUNOFF

PRIMAL-DUAL INTERIOR POINT MULTIGRID METHOD FOR TOPOLOGY OPTIMIZATION.

Autoři: KOČVARA, MICHAL MOHAMMED, SUDABA

Zdroj: SIAM Journal on Scientific Computing; 2016, Vol. 38 Issue 5, pB685-B709, 25p

Témata: ALGEBRAIC topology, MATHEMATICAL optimization, ALGORITHM software, CONJUGATE gradient methods, MULTIGRID methods (Numerical analysis)

Modeling a geologically complex volcanic watershed for integrated water resources management in Mt. Fuji, Japan.

Autoři: Musy SL Dresmann H Tomonaga Y a další

Zdroj: Scientific data [Sci Data] 2025 Dec 06. Date of Electronic Publication: 2025 Dec 06.

Způsob vydávání: Journal Article

Informace o časopise: Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101640192 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2052-4463 (Electronic) Linking ISSN: 20524463 NLM ISO Abbreviation: Sci Data Subsets: MEDLINE

Integrating the Interconnections Between Groundwater and Land Surface Processes Through the Coupled NASA Land Information System and ParFlow Environment.

Autoři: Maina, Fadji Z. Rosen, Dan Abbaszadeh, Peyman a další

Zdroj: Journal of Advances in Modeling Earth Systems; Feb2025, Vol. 17 Issue 2, p1-19, 19p

Témata: DATA assimilation, ATMOSPHERIC boundary layer, HYDROLOGIC models, WATER transfer, HYDROLOGIC cycle

Analysis of a multigrid preconditioner for Crouzeix-Raviart discretization of elliptic partial differential equation with jump coefficients.

Autoři: Zhu, Yunrong

Zdroj: Numerical Linear Algebra with Applications; Jan2014, Vol. 21 Issue 1, p24-38, 15p

Témata: MULTIGRID methods (Numerical analysis), DISCRETIZATION methods, ELLIPTIC differential equations, PARTIAL differential equations, SUBSPACES (Mathematics), STOCHASTIC convergence

Impacts of Wildfires on Groundwater Recharge: A Comprehensive Analysis of Processes, Methodological Challenges, and Research Opportunities.

Autoři: Guzmán-Rojo, Mónica Fernandez, Jeanne d'Abzac, Paul a další

Zdroj: Water (20734441); Sep2024, Vol. 16 Issue 18, p2562, 23p

Témata: LEAF area index, WATER supply, LAND surface temperature, HYDRAULIC conductivity, HYDROLOGY, GROUNDWATER recharge

Hydro-pedotransfer functions: a roadmap for future development.

Autoři: Weber, Tobias Karl David Weihermüller, Lutz Nemes, Attila a další

Zdroj: Hydrology & Earth System Sciences; 2024, Vol. 28 Issue 14, p3391-3433, 43p

Témata: TEMPERATE climate, DATA warehousing, AGRICULTURE, RESEARCH personnel, LAND use

Numerical investigation of hydrodynamic characteristics for flow past a square cylinder due to combined wave-current effect.

Autoři: Dutta, Debasish Afzal, Mohammad Saud

Zdroj: Physics of Fluids; Jul2024, Vol. 36 Issue 7, p1-32, 32p

Témata: COMPUTATIONAL fluid dynamics, WAVE-current interaction, FREE surfaces, VORTEX motion, TURBULENCE

Dual Domain Decomposition Method for High-Resolution 3D Simulation of Groundwater Flow and Transport.

Autoři: Deng, Hao Li, Jiaxin Huang, Jixian a další

Zdroj: Water (20734441); Jul2024, Vol. 16 Issue 13, p1864, 27p

Témata: DOMAIN decomposition methods, GROUNDWATER flow, FLOW simulations, ALGEBRAIC multigrid methods, LINEAR systems

Transport, dispersion, and degradation of nonpoint source contaminants during flood‐managed aquifer recharge.

Autoři: Perzan, Zach Maher, Kate

Zdroj: Vadose Zone Journal; Mar2024, Vol. 23 Issue 2, p1-14, 14p

Témata: ENVIRONMENTAL history, POLLUTANTS, GROUNDWATER recharge, WATER table, WATER supply, GROUNDWATER management

Comparative calibration of 1D+2D and 3D hydrogeological watershed models.

Autoři: Latour, Gillien Horgue, Pierre Renard, François a další

Zdroj: Computational Geosciences; Feb2024, Vol. 28 Issue 1, p65-76, 12p

Can a Sparse Network of Cosmic Ray Neutron Sensors Improve Soil Moisture and Evapotranspiration Estimation at the Larger Catchment Scale?

Autoři: Li, Fang Bogena, Heye Reemt Bayat, Bagher a další

Zdroj: Water Resources Research; Jan2024, Vol. 60 Issue 1, p1-33, 33p

Témata: SOIL moisture, COSMIC rays, STANDARD deviations, NEUTRONS, EVAPOTRANSPIRATION, KALMAN filtering

Continental Scale Hydrostratigraphy: Comparing Geologically Informed Data Products to Analytical Solutions.

Autoři: Swilley, Jackson S. Tijerina‐Kreuzer, Danielle Tran, Hoang V. a další

Zdroj: Ground Water; Jan2024, Vol. 62 Issue 1, p75-92, 18p

Témata: ANALYTICAL solutions, HYDRAULIC conductivity, HYDROLOGIC models, WATERSHEDS, STREAMFLOW

Geografický termín: UNITED States

Korporace: GEOLOGICAL Survey (U.S.)

Investigating the Impact of Irrigation on Malaria Vector Larval Habitats and Transmission Using a Hydrology‐Based Model.

Autoři: Jiang, Ai‐Ling Lee, Ming‐Chieh Selvaraj, Prashanth a další

Zdroj: Geohealth; Dec2023, Vol. 7 Issue 12, p1-19, 19p

Témata: INSECTICIDE resistance, IRRIGATION, MOSQUITO control, MALARIA, SUGAR plantations, HABITATS, VECTOR-borne diseases

Geografický termín: SUB-Saharan Africa, ETHIOPIA