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Record W4401370014 · doi:10.25144/23373

A MODEL FOR ESTIMATING ACOUSTIC EMISSION AMPLITUDES

2024· article· en· W4401370014 on OpenAlexaff
Bolin Li

Bibliographic record

Venuenot available
Typearticle
Languageen
FieldEngineering
TopicGeotechnical and Geomechanical Engineering
Canadian institutionsEngineering Link (Canada)
Fundersnot available
KeywordsAcoustic emissionAmplitudeAcousticsSource modelComputer scienceEnvironmental sciencePhysicsOptics

Abstract

fetched live from OpenAlex

A model for calculating and describing the signal amplitudes for acoustic emission stress waves is presented.The model is based on Kosevich theory for moving dislocations and takes into account the transfer function of the measurement system.see figure.The aim of this work is to work out a complete model which gives a possibility to correlate the amplitude of the measured electrical voltage to the physical cvent within the material.50 for however, the proposed model don't takes into consideration the influence of the material damping on the signal amplitude.This might be the next step to improve the model;The usual used measurement techniques, ring-down connting and di stribution analysis.don't give any direct correlation between the absolute magnitude of the acoustic emission event and the recorded parameters.1 Ilvf/LOdLlCtUJ Vl There exist several, both simple and extensive models for describing the AE-mechanism.To-day one cannot say that one model is better than the other.This paper presents a model based upon a dynamical dislocation theory stated by Kosevich [IL This model shows how the physical process can be related to the AE signal.Most of this is, however, pure mathematics, which is presented in [II].The last part of the work is not yet published, but will be in the near future. sum Field Mound a Tbnz vMying Inelastic swanAcoustic emission usually occurs due to a sudden change in the internal 4.2.1

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 score0.009
Threshold uncertainty score0.018

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0020.002
Open science0.0030.001
Research integrity0.0020.002
Insufficient payload (model declined to judge)0.0050.003

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 head0.020
GPT teacher head0.245
Teacher spread0.225 · 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".

Quick stats

Citations0
Published2024
Admission routes1
Has abstractyes

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