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Toward Consistent Design Evaluation of Nuclear Power Piping by Nonlinear Finite Element Analysis - Lingfu Zeng, Lennart Jansson, and Nils-Erik Wiberg 2015 PDF ASME BOOKS TECHNICAL SCIENCES
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Toward Consistent Design Evaluation of Nuclear Power Piping by Nonlinear Finite Element Analysis
Author: Lingfu Zeng, Lennart Jansson, and Nils-Erik Wiberg
Year: 2015
Pages: 131
Format: PDF
File size: 31,15 MB
Language: ENG



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The purpose of this paper is to present a comprehensive overview of nonlinear finite element analysis (FEA) of nuclear power piping systems. The paper provides an overview of the methodology and its applications in the context of power uprate and life extension. It also highlights the importance of understanding the underlying principles of nonlinear FEA and its potential benefits for ensuring safe and reliable operation of nuclear power plants. The paper begins by discussing the evolution of technology and how it has impacted society, focusing on the need for a personal paradigm for perceiving the technological process of developing modern knowledge as the basis for survival. This section sets the stage for the rest of the paper, emphasizing the importance of understanding the underlying principles of nonlinear FEA and its potential benefits for ensuring safe and reliable operation of nuclear power plants. Next, the paper delves into the details of nonlinear FEA, explaining how it differs from linear FEA and discussing the various approaches that can be used to account for nonlinearity. This section provides a thorough understanding of the methodology and its limitations, allowing readers to appreciate the nuances of the technique. The paper then explores the application of nonlinear FEA in the context of power uprate and life extension, highlighting the challenges associated with these processes and how nonlinear FEA can help address them.
Цель данной статьи - представить всесторонний обзор нелинейного конечно-элементного анализа (МКЭ) систем трубопроводов атомной энергетики. В документе представлен обзор методологии и ее применения в контексте повышения мощности и продления срока службы. В нем также подчеркивается важность понимания основополагающих принципов нелинейного МКЭ и его потенциальных преимуществ для обеспечения безопасной и надежной работы атомных электростанций. Статья начинается с обсуждения эволюции технологий и того, как она повлияла на общество, с акцентом на необходимость личной парадигмы восприятия технологического процесса развития современных знаний как основы выживания. Этот раздел закладывает основу для остальной части статьи, подчеркивая важность понимания основополагающих принципов нелинейного МКЭ и его потенциальных преимуществ для обеспечения безопасной и надежной работы атомных электростанций. Далее в статье рассматриваются детали нелинейного МКЭ, объясняется, чем он отличается от линейного МКЭ, и обсуждаются различные подходы, которые можно использовать для учета нелинейности. Этот раздел дает полное понимание методологии и ее ограничений, позволяя читателям оценить нюансы методики. Затем в статье рассматривается применение нелинейного АМКЭ в контексте повышения мощности и продления срока службы, подчеркивая проблемы, связанные с этими процессами, и то, как нелинейный АМКЭ может помочь в их решении.
but de cet article est de fournir un aperçu complet de l'analyse non linéaire des systèmes de tuyauterie d'énergie nucléaire. document donne un aperçu de la méthodologie et de son application dans le contexte de l'amélioration de la puissance et de la prolongation de la durée de vie. Il souligne également l'importance de comprendre les principes fondamentaux de l'ICE non linéaire et ses avantages potentiels pour assurer le fonctionnement sûr et fiable des centrales nucléaires. L'article commence par discuter de l'évolution de la technologie et de son impact sur la société, en mettant l'accent sur la nécessité d'un paradigme personnel pour percevoir le processus technologique du développement des connaissances modernes comme base de la survie. Cette section jette les bases du reste de l'article, soulignant l'importance de comprendre les principes fondamentaux de la CEI non linéaire et ses avantages potentiels pour assurer le fonctionnement sûr et fiable des centrales nucléaires. L'article examine ensuite les détails de l'ICM non linéaire, explique en quoi il diffère de l'ICM linéaire et examine les différentes approches qui peuvent être utilisées pour tenir compte de la non-linéarité. Cette section donne une compréhension complète de la méthodologie et de ses limites, permettant aux lecteurs d'apprécier les nuances de la technique. L'article examine ensuite l'application de l'AMCE non linéaire dans le contexte de l'augmentation de la puissance et de la prolongation de la durée de vie, en soulignant les problèmes liés à ces processus et la façon dont l'AMCE non linéaire peut aider à les résoudre.
objetivo de este artículo es proporcionar una visión general completa del análisis no lineal de elementos lógicos (ICE) de los sistemas de tuberías de energía nuclear. documento ofrece una visión general de la metodología y su aplicación en el contexto del aumento de la capacidad y la prolongación de la vida útil. También destaca la importancia de comprender los principios fundamentales del ICE no lineal y sus posibles ventajas para garantizar el funcionamiento seguro y fiable de las centrales nucleares. artículo comienza con una discusión sobre la evolución de la tecnología y cómo ha influido en la sociedad, con énfasis en la necesidad de un paradigma personal para percibir el proceso tecnológico del desarrollo del conocimiento moderno como la base de la supervivencia. Esta sección sienta las bases para el resto del artículo, destacando la importancia de comprender los principios fundamentales del ICE no lineal y sus posibles ventajas para garantizar el funcionamiento seguro y fiable de las centrales nucleares. A continuación, se examinan los detalles del ICE no lineal, se explica en qué se diferencia del ICE lineal y se analizan los diferentes enfoques que pueden utilizarse para tener en cuenta la no linealidad. Esta sección proporciona una comprensión completa de la metodología y sus limitaciones, permitiendo a los lectores apreciar los matices de la técnica. A continuación, el artículo aborda la aplicación del AMCE no lineal en el contexto de la mejora de la capacidad y la prolongación de la vida útil, destacando los problemas asociados a estos procesos y cómo el AMCE no lineal puede ayudar a resolverlos.
O objetivo deste artigo é apresentar uma revisão abrangente dos sistemas não lineares de oleodutos de energia nuclear. O documento fornece uma revisão da metodologia e sua aplicação no contexto da elevação da capacidade e da extensão da vida útil. Também enfatiza a importância de compreender os princípios fundamentais do ICE não linear e suas vantagens potenciais para garantir que as usinas nucleares funcionem de forma segura e segura. O artigo começa por discutir a evolução da tecnologia e como ela afetou a sociedade, com ênfase na necessidade de um paradigma pessoal de percepção do processo tecnológico de desenvolvimento do conhecimento moderno como base de sobrevivência. Esta seção estabelece as bases para o resto do artigo, enfatizando a importância de compreender os princípios fundamentais do ICE não linear e seus potenciais benefícios para garantir o funcionamento seguro e confiável das usinas nucleares. Mais adiante, o artigo trata dos detalhes do MCE não linear, explica o que é diferente do MCE linear e discute as diferentes abordagens que podem ser usadas para a contabilidade da não-linearidade. Esta seção oferece uma compreensão completa da metodologia e suas limitações, permitindo que os leitores avaliem as nuances da metodologia. Em seguida, o artigo aborda a aplicação da AMCE não linear no contexto do aumento da potência e da extensão da vida útil, enfatizando os problemas relacionados a esses processos e como o AMCE não linear pode ajudar a resolvê-los.
L'obiettivo di questo articolo è fornire una panoramica completa delle analisi non lineari dei sistemi di tubazione nucleare. Il documento fornisce una panoramica della metodologia e della sua applicazione nel contesto del miglioramento della potenza e della durata. Sottolinea anche l'importanza di comprendere i principi fondamentali di una ICE non lineare e i suoi potenziali vantaggi per garantire un funzionamento sicuro e affidabile delle centrali nucleari. L'articolo inizia discutendo dell'evoluzione della tecnologia e di come ha influenzato la società, ponendo l'accento sulla necessità di un paradigma personale della percezione del processo tecnologico di sviluppo della conoscenza moderna come base di sopravvivenza. Questa sezione pone le basi per il resto dell'articolo, sottolineando l'importanza di comprendere i principi fondamentali di una ICE non lineare e i suoi potenziali vantaggi per garantire un funzionamento sicuro e affidabile delle centrali nucleari. L'articolo descrive poi i dettagli di una ICE non lineare, spiega cosa è diverso da una ICE lineare e discute di diversi approcci che possono essere utilizzati per tenere conto della non linearità. Questa sezione fornisce una comprensione completa della metodologia e dei suoi limiti, permettendo ai lettori di valutare le sfumature della metodologia. L'articolo affronta poi l'applicazione di AMQE non lineare nel contesto dell'aumento della potenza e del prolungamento della durata, sottolineando i problemi associati a questi processi e il modo in cui un AMQE non lineare può aiutare a risolverli.
Ziel dieses Artikels ist es, einen umfassenden Überblick über die nichtlineare Finite-Elemente-Analyse (FEM) von Kernenergie-Rohrleitungssystemen zu geben. Das Papier gibt einen Überblick über die Methodik und deren Anwendung im Kontext von istungssteigerung und bensdauerverlängerung. Er betont auch, wie wichtig es ist, die Grundprinzipien nichtlinearer FEM und ihre potenziellen Vorteile zu verstehen, um den sicheren und zuverlässigen Betrieb von Kernkraftwerken zu gewährleisten. Der Artikel beginnt mit einer Diskussion über die Entwicklung der Technologie und wie sie die Gesellschaft beeinflusst hat, wobei der Schwerpunkt auf der Notwendigkeit eines persönlichen Paradigmas der Wahrnehmung des technologischen Prozesses der Entwicklung des modernen Wissens als Grundlage des Überlebens liegt. Dieser Abschnitt legt den Grundstein für den Rest des Papiers und betont, wie wichtig es ist, die grundlegenden Prinzipien der nichtlinearen FEM und ihre potenziellen Vorteile zu verstehen, um den sicheren und zuverlässigen Betrieb von Kernkraftwerken zu gewährleisten. Der Artikel befasst sich weiter mit den Details des nichtlinearen FEM, erklärt, wie es sich von dem linearen FEM unterscheidet, und diskutiert verschiedene Ansätze, die verwendet werden können, um Nichtlinearität zu berücksichtigen. Dieser Abschnitt vermittelt ein umfassendes Verständnis der Methodik und ihrer Grenzen und ermöglicht es den sern, die Nuancen der Methodik zu bewerten. Der Artikel befasst sich dann mit der Anwendung nichtlinearer AMKE im Kontext von istungssteigerung und bensdauerverlängerung, wobei er die mit diesen Prozessen verbundenen Probleme hervorhebt und wie nichtlineare AMKE bei deren Lösung helfen können.
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Bu makalenin amacı, nükleer güç boru hattı sistemlerinin doğrusal olmayan sonlu elemanlar analizine (FEA) kapsamlı bir genel bakış sunmaktır. Makale, kapasite geliştirme ve ömrü uzatma bağlamında metodoloji ve uygulamasına genel bir bakış sunmaktadır. Ayrıca, doğrusal olmayan bir FEM'in temel ilkelerini ve nükleer santrallerin güvenli ve güvenilir çalışmasını sağlamak için potansiyel faydalarını anlamanın önemini vurgulamaktadır. Makale, teknolojinin evrimini ve toplumu nasıl etkilediğini tartışarak, hayatta kalmanın temeli olarak modern bilginin gelişiminin teknolojik sürecinin kişisel bir algı paradigmasına duyulan ihtiyaca vurgu yaparak başlıyor. Bu bölüm, lineer olmayan FEM'in temel ilkelerini ve nükleer santrallerin güvenli ve güvenilir çalışmasını sağlamak için potansiyel faydalarını anlamanın önemini vurgulayarak makalenin geri kalanı için zemin hazırlamaktadır. Makale, doğrusal olmayan FEM'in ayrıntılarını gözden geçirmeye, doğrusal FEM'den nasıl farklı olduğunu açıklamaya ve doğrusal olmayanlığı açıklamak için kullanılabilecek farklı yaklaşımları tartışmaya devam ediyor. Bu bölüm, metodolojinin ve sınırlamalarının tam olarak anlaşılmasını sağlar ve okuyucuların metodolojinin nüanslarını takdir etmelerini sağlar. Makale daha sonra, doğrusal olmayan FEA'nın güç geliştirme ve ömür uzatma bağlamında uygulanmasına bakmakta, bu süreçlerle ilgili zorlukları ve doğrusal olmayan FEA'nın bunları ele almaya nasıl yardımcı olabileceğini vurgulamaktadır.
الغرض من هذه المادة هو تقديم لمحة عامة شاملة عن تحليل العناصر المحدودة غير الخطية لأنظمة خطوط أنابيب الطاقة النووية. وتقدم الورقة لمحة عامة عن المنهجية وتطبيقها في سياق تعزيز القدرات وإطالة العمر. كما يشدد على أهمية فهم المبادئ الأساسية لنظام إدارة الطاقة غير الخطية وفوائده المحتملة لضمان التشغيل الآمن والموثوق لمحطات الطاقة النووية. تبدأ المقالة بمناقشة تطور التكنولوجيا وكيف أثرت على المجتمع، مع التركيز على الحاجة إلى نموذج شخصي للإدراك للعملية التكنولوجية لتطور المعرفة الحديثة كأساس للبقاء. يضع هذا الفرع الأساس لبقية المادة، مع التأكيد على أهمية فهم المبادئ الأساسية لمنطقة الإنفاق غير الخطية وفوائدها المحتملة لضمان التشغيل الآمن والموثوق لمحطات الطاقة النووية. تستمر الورقة في مراجعة تفاصيل FEM غير الخطية، وشرح كيفية اختلافها عن FEM الخطي، ومناقشة الأساليب المختلفة التي يمكن استخدامها لحساب عدم الخصوبة. يوفر هذا الفرع فهماً كاملاً للمنهجية وقيودها، مما يسمح للقراء بتقدير الفروق الدقيقة في المنهجية. ثم تبحث الورقة في تطبيق FEA غير الخطي في سياق تعزيز الطاقة وإطالة الحياة، وتسلط الضوء على التحديات المرتبطة بهذه العمليات وكيف يمكن لـ FEA غير الخطية المساعدة في معالجتها.

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