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Record W3001117704 · doi:10.4271/2020-01-0498

Multi-Scale Structural Analysis on Rubber Seal for Battery Pack

2020· article· en· W3001117704 on OpenAlexaff
Katsuya Minami, Takahiro Sasaki, Takao M. Sato

Bibliographic record

VenueSAE International Journal of Advances and Current Practices in Mobility · 2020
Typearticle
Languageen
FieldEngineering
TopicElasticity and Material Modeling
Canadian institutionsCybernet Systems Corporation (Canada)
Fundersnot available
KeywordsBattery packFinite element methodNatural rubberSeal (emblem)Battery (electricity)ComputationMechanical engineeringDeformation (meteorology)EngineeringStructural engineeringComputer scienceMaterials scienceComposite materialPhysicsAlgorithm

Abstract

fetched live from OpenAlex

<div class="section abstract"><div class="htmlview paragraph">A rubber sealing for a water-cooled battery pack plays a significant role to prevent water immersion into the inside of the pack. The appropriate design including the adjacent parts achieves a weight reduction of the battery pack by reducing the battery tray thickness and the quantity of bolts used in the whole battery pack.</div><div class="htmlview paragraph">Generally, finite element analysis (FEA) is effective for the design optimization before proto-typing. However, the application to the sealing for a battery pack requires a large scale analysis, including the complicated contacts and large deformation of the rubber sealing, and results in unpractically long computation time and frequent computation errors due to the finite element distortion.</div><div class="htmlview paragraph">A multi-scale structural analysis and the process on the rubber sealing for the battery pack has been developed to solve the above issues. This approach consists of 3 steps, which are single-unit, entire-scale and detailed structural analysis.</div><div class="htmlview paragraph">The cross-section of rubber sealing was simplified as rectangular shape by modifying the mechanical property of the sealing to meet the reaction force characteristic with the original one through the Step 1. Using this simplified model, the entire-scale analysis including the whole battery pack was carried out to extract the area from the entire seal line at which the seal pressure decreases to less than the requirement or high stress of the battery tray and the cover occurs. Then, the detailed structural analysis at the extracted area was carried out for quantitative evaluation.</div><div class="htmlview paragraph">The developed structural analysis and its work flow can contribute to rubber sealing design optimization by shortening the computation time and reducing the computation errors. In this paper, the developed simulation methodology including the analysis flow are specifically presented. The simulation conditions and results for a battery pack of Battery Electric Vehicle (BEV) are shown as the case study.</div></div>

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation 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: Empirical · Consensus signal: Empirical
Teacher disagreement score0.053
Threshold uncertainty score0.321

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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 head0.044
GPT teacher head0.364
Teacher spread0.320 · 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 teacher head, not a consensus.

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

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
Published2020
Admission routes1
Has abstractyes

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