Nonlinear bending analysis of variable cross-section laminated plates using the dynamic relaxation method

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• 作者：Javad Alamatian ; Jalil Rezaeepazhand
• 关键词：Dynamic relaxation ; Laminated plates ; Variable cross section ; Nonlinear analysis
• 刊名：Journal of Mechanical Science and Technology
• 出版年：2016
• 出版时间：February 2016
• 年：2016
• 卷：30
• 期：2
• 页码：783-788
• 全文大小：314 KB
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• 作者单位：Javad Alamatian (1)
  Jalil Rezaeepazhand (2)
  
  1. Civil Engineering Department, Mashhad Branch, Islamic Azad University, Mashhad, 91735-413, Iran
  2. Mechanichal Engineering Department, Ferdowsi University of Mashhad, Mashhad, Iran
  
• 刊物类别：Engineering
• 刊物主题：Mechanical Engineering
  Structural Mechanics
  Control Engineering
  Industrial and Production Engineering
  
• 出版者：The Korean Society of Mechanical Engineers
• ISSN：1976-3824

文摘

This paper tries to analyze the laminated plates with variable cross section, using the Dynamic relaxation method for solving the governing equations of the thin composite plate, obtained from the CPT theory. Comprehensive comparison and parametric studies prove the accuracy and efficiency of the utilized approach with interesting specifications such as fully vector calculations, independency to the lamina scheme (angle and number of plies) and boundary conditions so that the laminated plates with uniform, variable one direction and variable two direction of cross section could be analyzed. Results show that the behaviour of the composite plates depends on both lamina scheme (the stacking sequences and the number of the plies), and the cross section variation of the laminated plate. In this manner, utilizing the laminated plates with variable two direction of cross section could absorb more potential energy in comparison with uniform and variable one direction of cross section, so that they are useful for using in passive control mechanisms in which the kinetic energy should be removed from the structure by transforming to the potential energy. Keywords Dynamic relaxation Laminated plates Variable cross section Nonlinear analysis