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Open AccessArticle10.7494/cmms.2013.2.0448

Rule-based simplified procedure for modeling of stress relaxation

Krzysztof Regulski,Danuta� Szeliga,Jacek Rońda,Andrzej Kuźniar,Rafał Puc-2013-01-01-Computer Methods in Materials Science.
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TL;DRAbstract

A case study of rule knowledge base on developing stress relaxation in welded components is presented in the paper. The procedure of simplified decision support model formulation – including expert knowledge externalization, formalization of knowledge, the selection of variables and identifying domain of attributes is described. A decision tree was used to support creating and visualizing of the model. The result of the work is a set of rules constituting a simplified model to predict the stress relaxation parameters of stress-relief annealing applied to welded components of PZL-10W helicopter engine produced by WSK Rzeszów. Developed application can be implemented in one of the reasoning system shells.

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A case study of rule knowledge base on developing stress relaxation in welded components is presented in the paper. The procedure of simplified decision support model formulation – including expert knowledge externalization, formalization of knowledge, the selection of variables and identifying domain of attributes is described. A decision tree was used to support creating and visualizing of the model. The result of the work is a set of rules constituting a simplified model to predict the stress relaxation parameters of stress-relief annealing applied to welded components of PZL-10W helicopter engine produced by WSK Rzeszów. Developed application can be implemented in one of the reasoning system shells.

Keywords

Stress (linguistics)Computer scienceStress relaxationRelaxation (psychology)Materials scienceComposite materialCreepPsychology

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