Acta Mechanica Solida Sinica

, Volume 23, Issue 1, pp 29–35 | Cite as

Identification of elastic-plastic mechanical properties for bimetallic sheets by hybrid-inverse approach

  • Honglei Zhang
  • Xuehui Lin
  • Yanqun Wang
  • Qian Zhang
  • Yilan Kang


Analysis, evaluation and interpretation of measured signals become important components in engineering research and practice, especially for material characteristic parameters which can not be obtained directly by experimental measurements. The present paper proposes a hybrid-inverse analysis method for the identification of the nonlinear material parameters of any individual component from the mechanical responses of a global composite. The method couples experimental approach, numerical simulation with inverse search method. The experimental approach is used to provide basic data. Then parameter identification and numerical simulation are utilized to identify elasto-plastic material properties by the experimental data obtained and inverse searching algorithm. A numerical example of a stainless steel clad copper sheet is considered to verify and show the applicability of the proposed hybrid-inverse method. In this example, a set of material parameters in an elasto-plastic constitutive model have been identified by using the obtained experimental data.

Key words

identification of parameters hybrid-inverse approach elasto-plastic mechanical properties of bimetallic sheets 


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Copyright information

© The Chinese Society of Theoretical and Applied Mechanics and Technology 2010

Authors and Affiliations

  • Honglei Zhang
    • 1
  • Xuehui Lin
    • 1
    • 2
  • Yanqun Wang
    • 1
  • Qian Zhang
    • 1
  • Yilan Kang
    • 1
  1. 1.School of Mechanical EngineeringTianjin UniversityTianjinChina
  2. 2.School of Mechanical EngineeringFuzhou UniversityFuzhouChina

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