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Laplace变换法及其在粘弹性波中传播的应用
Laplace transform and its application in viscoelastic wave propagation
投稿时间:2019-10-11  修订日期:2019-12-11
DOI:
中文关键词:  粘弹性  Laplace变换  应力波传播
英文关键词:Viscoelasticity  Laplace transform  Stress wave propagation  
基金项目:
作者单位E-mail
李想 西南科技大学 990966459@qq.com 
陈国平 西南科技大学 63029261@qq.com 
胡文军 中国工程物理研究院总体工程研究所 wjhu@vip.sina.com 
谢蒙优 西南科技大学  
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中文摘要:
      针对波传播分析理论的发展历程进行了简要的综述,详细介绍了几种处理粘弹性波传播问题的分析方法,重点讲解Laplace变换法以及Laplace变换在粘弹性波中的应用,对比分析几种方法在各自应用上的优劣,由于Laplace变换法能准确地描述应力波在任意时刻、任意点的波动情况,在处理大尺寸混凝土类构件中应力波传播问题具有其独有的优势。
英文摘要:
      The development of analytical?theory?of?wave?propagation is briefly reviewed and several analysis methods dealing with viscoelastic wave propagation are introduced in detail. The Laplace transform method and its application in viscoelastic wave are explained , and the advantage and disadvantage of Laplace transform method and its application in viscoelastic wave are compared and analyzed. After the comparison, it is shown that Laplace transform method has its unique advantage in dealing with the problems of stress wave propagation in large-size concrete component as it can accurately describe the fluctuation of stress wave at any time and any point.
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