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Multiscale approach for the design of composite sandwich structures for train application

机译：列车应用复合夹层结构设计的多尺度方法

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摘要

In the present work a multiscale approach is considered for the design of composite sandwich structures for a roof of railway vehicle. The procedure consists in different steps that start from cost/benefit analysis on materials and their manufacturing process and cycle up to analysis of sub-components and entire structures. Each step is characterized by experimental, theoretical and numerical studies. The design activities herein presented count experimental campaigns able to characterize both the properties of novel sandwich material, manufactured expressly for transportation industry, the sandwich and joint behaviors. Analytical and numerical approaches have been used to validate and optimize the structural layout. Finite element analysis has been also performed on a test article to verify the "new" sandwich roof in regard to structural requirements suggested by European Code.
机译：在目前的工作中，考虑采用多尺度方法来设计铁路车顶的复合夹层结构。该过程包括不同的步骤，这些步骤从对材料及其制造过程的成本/收益分析开始，然后循环到对子组件和整个结构的分析。每个步骤都有实验，理论和数值研究的特征。本文介绍的设计活动是一些实验活动，这些活动能够表征为交通运输行业而专门制造的新型三明治材料的性能，三明治和接头的行为。分析和数值方法已用于验证和优化结构布局。还对测试物品进行了有限元分析，以根据欧洲规范建议的结构要求验证“新”夹层屋顶。

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  • 来源
    《Composite Structures》 |2010年第9期|2208-2219|共12页
  • 作者

    A. Zinno; E. Fusco; A. Prota; G. Manfredi;

  • 作者单位

    Department of Structural Engineering, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, Italy;

    rnDepartment of Structural Engineering, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, Italy;

    rnDepartment of Structural Engineering, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, Italy;

    rnDepartment of Structural Engineering, University of Napoli Federico II, Via Claudio 21, 80125 Napoli, Italy;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    sandwich structures; railway vehicle; mechanical characterization; adhesive joints;

    机译：夹层结构铁路车辆机械特性粘合接头;

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