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Convergence improvement in finite difference solution using MC and DC methods for magnetic field analysis

2016· article· en· W2528563906 on OpenAlexaff
Hossein Torkaman, Mehdi Salehi, Ali Safdari

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicElectromagnetic Simulation and Numerical Methods
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsConvergence (economics)Gauss–Seidel methodIterative methodPartial differential equationAlgorithmGaussApplied mathematicsFinite difference methodMathematicsDifferential equationLocal convergenceMathematical optimizationComputer scienceMathematical analysis

Abstract

fetched live from OpenAlex

Among the numerical methods used in the electromagnetic modeling and simulation of electrical systems, the iterative method is included. In this paper, different techniques are employed to a classical Gauss-Seidel Algorithm. It used to improve accuracy and convergence of the solutions for a common partial differential equation in finite difference method. The first method is named Double Convergence Method in which combinations of two Iteration Methods with different initial points are utilized. The second method is called Multi-level Convergence Method where, a mixture of multi Iteration Method with initial values obtained from previous processes using first, second, third order polynomial for the next round of iteration. The convergence time and accuracy of both methods are evaluated and compared using classical Gauss-Seidel Algorithm by solving various one dimensional partial differential equations. The aim of this paper is to reduce the number of iterations of this method in order to reduce the computing time and to improve the convergence speed.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Methods · Consensus signal: Methods
Teacher disagreement score0.005
Threshold uncertainty score0.009

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0010.001
Open science0.0010.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.028
GPT teacher head0.338
Teacher spread0.311 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreMethods

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

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Citations0
Published2016
Admission routes1
Has abstractyes

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