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State-space based time integration method for structural systems involving multiple nonviscous damping models

机译:涉及多个非粘滞阻尼模型的结构系统的基于状态空间的时间积分方法

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摘要

Engineering structures are often assembled by subsections with various levels of energy dissipation, which lead to great difficulties in analyzing. In this paper, a direct time integration method is proposed to solve the dynamic responses of structural systems involving multiple nonviscous damping models. Based on a general non-viscously damped model, an extended state-space scheme for the damped system is derived. Then, an implicit time integration method using linear approximations is developed built on the extended state-space formalism. The stability and efficiency of the method are discussed by theoretical and numerical analyses. The method is illustrated by two examples. (C) 2016 Elsevier Ltd. All rights reserved.
机译:工程结构通常由具有不同能耗水平的小节组装而成,这给分析带来很大困难。本文提出了一种直接时间积分的方法来解决涉及多个非粘性阻尼模型的结构系统的动力响应。基于一般的非粘性阻尼模型,推导了阻尼系统的扩展状态空间方案。然后,基于扩展的状态空间形式主义,开发了一种使用线性近似的隐式时间积分方法。通过理论和数值分析讨论了该方法的稳定性和有效性。该方法由两个示例说明。 (C)2016 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Computers & Structures》 |2016年第7期|31-45|共15页
  • 作者单位

    Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China;

    Huazhong Univ Sci & Technol, Sch Mech Sci & Engn, State Key Lab Digital Mfg Equipment & Technol, Wuhan 430074, Peoples R China;

  • 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

    Nonviscous damping; Multiple damping models; Time integration; State-space method; Dynamic response;

    机译:非粘性阻尼;多种阻尼模型;时间积分;状态空间法;动态响应;

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