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Nonlinear static/dynamic analysis for elasto-plastic laminated plates with interfacial damage evolution

机译:具有界面损伤演化的弹塑性层压板非线性静/动力分析

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摘要

A new analysis model, which includes the effects of interfacial damage, geometrical nonlinearity and material nonlinearity, is presented for elasto-plastic laminated plates. Based on the model, the nonlinear equilibrium differential equations for elasto-plastic laminated plates with interfacial damage are established. The finite difference method and iteration method are adopted to solve these equations. The nonlinear static and dynamic behaviors for the elasto-plastic laminated plates under the action of transverse loads are analyzed. Effects of interfacial damage on the stress and displacement distribution and nonlinear dynamic response are discussed in the numerical examples together with the comparison of nonlinear mechanical behaviors between the elastic and elasto-plastic laminated plates. Numerical results show that both the interfacial damage and plastic deformation put obvious influence on the mechanical properties of structures.
机译:提出了一种新的分析模型,其中包括界面损伤,几何非线性和材料非线性的影响。基于该模型,建立了具有界面损伤的弹塑性叠层板的非线性平衡微分方程。采用有限差分法和迭代法求解这些方程。分析了弹塑性叠层板在横向载荷作用下的非线性静动态特性。在数值实例中讨论了界面损伤对应力和位移分布以及非线性动力响应的影响,并比较了弹性和弹塑性层压板之间的非线性力学行为。数值结果表明,界面损伤和塑性变形对结构的力学性能都有明显的影响。

著录项

  • 来源
    《Composite Structures》 |2010年第1期|p.103-112|共10页
  • 作者单位

    Key Laboratory of Advanced Design and Simulation Techniques for Special Equipment, Ministry of Education, Hunan University, Changsha 410082, PR China College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, PR China,College of Mechanical and Vehicle Engineering Hunan University, Changsha 410082, PR China;

    Key Laboratory of Advanced Design and Simulation Techniques for Special Equipment, Ministry of Education, Hunan University, Changsha 410082, PR China College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, PR China;

    Key Laboratory of Advanced Design and Simulation Techniques for Special Equipment, Ministry of Education, Hunan University, Changsha 410082, PR China College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, PR 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

    laminated plates; interfacial damage; elasto-plastic; static/dynamic analysis;

    机译:层压板界面损伤;弹塑性静态/动态分析;

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