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Record W3142655910

Parallel Computation of Meshfree Methods for Extremely Large Deformation Analysis

2012· article· en· W3142655910 on OpenAlexaboutno aff
Weifeng Zhang

Bibliographic record

VenueLight Industry Machinery · 2012
Typearticle
Languageen
FieldEngineering
TopicNumerical methods in engineering
Canadian institutionsnot available
Fundersnot available
KeywordsMeshfree methodsComputer scienceComputational scienceComputationParallel computingDiffuse element methodSupercomputerKernel (algebra)Finite element methodSmoothed-particle hydrodynamicsParallel algorithmMathematical optimizationAlgorithmApplied mathematicsMathematicsExtended finite element methodStructural engineeringMechanics
DOInot available

Abstract

fetched live from OpenAlex

Due to the heavier computation requirement than other competitive techniques and the essence of applications that are usually highly complex and computationally intensive,parallel computing is especially attractive for these meshfree methods.The paper focused on discussion the Reproducing Kernel Particle Method(RKPM),one of the meshfree methods for large strain elasto-plastic analysis of solid and structures,in considering with its ability to accurately model extremely large deformations without mesh distortion problems,and its ease of adaptive modeling by simply changing particle definitions for desired refinement regions.The parallel procedure primarily consists of a mesh partitioning pre-analysis phase and parallel computing which includes explicit message passing among partitions on individual processors;with redefinition techniques applied to the shared zones of different geometrical parts,the graph-based procedure Metis,which is quite popular for mesh-based analysis,is used for partitioning in this meshfree analysis.Parallel simulations have been conducted on an SGI Onyx3900 supercomputer with MPI message passing statements.The effectiveness and performance with different partitions has then been compared,and a comparison of the meshfree method with finite element methods is also presented.

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)0.001
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: Methods · Consensus signal: none
Teacher disagreement score0.492
Threshold uncertainty score0.749

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
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 head0.033
GPT teacher head0.349
Teacher spread0.316 · 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
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
Published2012
Admission routes1
Has abstractyes

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