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XP CEN ISO/TS 18166

Numerical welding simulation - Execution and documentation

Edition date: 2016-05-11
In Force
Available languages: English, French
Summary: 1La présente Spécification technique fournit une séquence d'exécution, de validation, de vérification et de documentation d'une simulation numérique de soudage dans le domaine de la mécanique du solide. A cet effet, elle traite principalement de l'analyse thermique et mécanique, par la méthode des éléments finis, du soudage par fusion (voir , 2.165) d'assemblages métalliques.La simulation numérique du soudage est une discipline en plein essor dans le domaine de l'ingénierie.La présente Spécification technique couvre les aspects et résultats suivants de la simulation numérique du soudage, à l'exclusion de la simulation du procédé en lui-même:- le flux thermique pendant l'analyse d'une ou de plusieurs passes;- la dilatation thermique qui résulte de la conduction thermique;- les contraintes thermiques;- le développement de déformations plastiques;- l'effet de la température sur les propriétés des matériaux;- la prédiction de la distribution des contraintes résiduelles;- la prédiction des déformations générées par le soudage.La présente Spécification technique fait référence aux effets physiques suivants, mais elle ne les traite pas de manière approfondie:- physique de la source de chaleur (par exemple, un laser ou un arc de soudage);- physique du bain de fusion (et du key hole pour les soudures par faisceau d'électrons);- création et rétention de phases solides en hors équilibre;- solution et précipitation de particules de seconde phase;- effet de la microstructure sur les propriétés des matériaux.Les préconisations de la présente Spécification technique n'ont pas été élaborées pour être utilisées dans un secteur spécifique. La simulation numérique du soudage peut être bénéfique dans la conception et dimensionnement de nombreuses pièces. Il est prévu que cela permettra aux sociétés ou aux organismes industriels de définir les niveaux exigés en simulation numérique du soudage pour leurs applications spécifiques.La présente Spécification technique n'est pas dépendante du logiciel et de la mise en oeuvre. Elle n'est dès lors pas exclusivement destinée à l'analyse par éléments finis ni à un secteur en particulier.La présente Spécification technique offre un cadre cohérent pour les principaux aspects des méthodes et objectifs couramment adoptés pour la simulation numérique du soudage (y compris la validation et la vérification en vue de formuler un jugement objectif sur les résultats de simulation).La présente Spécification technique propose également une introduction à la simulation numérique du soudage, avec la présentation et la description des critères minimum exigés d'une simulation numérique de soudage complète. (Des exemples qui peuvent aider les personnes souhaitant développer des compétences en simulation numérique du soudage sont donnés pour illustrer l'application de la présente Spécification technique.)L'Article 4 de la présente Spécification technique fournit des informations détaillées sur la structure de simulation généralement valable et sur l'application correspondante. L'Article 5 regroupe les parties de la présente spécification qui décrivent en termes concrets la structure des cas d'application correspondants et donnent des exemples. L'Annexe A fournit un modèle de document destiné à favoriser la cohérence des résultats de simulation communiqués.
Keywords: WELDING|SIMULATION|DIGITAL TECHNIQUES|SETTING-UP CONDITIONS|MODELS|MATHEMATICS|MATERIALS|PROPERTIES|THERMAL EXPANSION|STRESSES|PLASTIC DEFORMATION|TEMPERATURE|HEAT TRANSFER|VERIFICATION|TEST RESULTS|PRESENTATION|TECHNICAL DOCUMENTS|DEFINITIONS
ICS: 25.160.01-Welding, brazing and soldering in general
CTN:

International Equivalence

Identic CEN ISO/TS 18166:2016

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