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Structural Engineering and Mechanics
  Volume 76, Number 2, October25 2020, pages 239-250
DOI: http://dx.doi.org/10.12989/sem.2020.76.2.239
 


Free vibration analysis of plates with steps and internal line supports by using a modified matched interface and boundary method
Zhiwei Song, Xiaoqiao He, Wei Li and De Xie

 
Abstract
    This paper deals with free vibration of plates with steps and internal line supports by using a modified matched interface and boundary (MMIB) method. Different kinds of interfaces caused by steps, rigid and elastic line supports and their combinations are taken into account. Detailed MMIB procedures for dealing with these different interfaces are presented. Various examples are chosen to illustrate the accuracy and convergence of MMIB method. Numerical results show that the proposed MMIB is a highly accurate and convergent approach for solving the title issue. This study will extend the application range of MMIB method.
 
Key Words
    matched interface and boundary, stepped plate, internal line support, interface problem
 
Address
Zhiwei Song/Huazhong University of Science and Technology
Xiaoqiao He/City University of Hong Kong
Wei Li/Huazhong University of Science and Technology
De Xie/Huazhong University of Science and Technology
 

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