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    Using constitutive equation gap method for identification of elastic material parameters: Technical insights and illustrations

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    Type
    Article
    Authors
    Florentin, Éric
    Lubineau, Gilles cc
    KAUST Department
    Composite and Heterogeneous Material Analysis and Simulation Laboratory (COHMAS)
    Mechanical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2011-08-09
    Online Publication Date
    2011-08-09
    Print Publication Date
    2011-11
    Permanent link to this record
    http://hdl.handle.net/10754/561837
    
    Metadata
    Show full item record
    Abstract
    The constitutive equation gap method (CEGM) is a well-known concept which, until now, has been used mainly for the verification of finite element simulations. Recently, CEGM-based functional has been proposed to identify local elastic parameters based on experimental full-field measurement. From a technical point of view, this approach requires to quickly describe a space of statically admissible stress fields. We present here the technical insights, inspired from previous works in verification, that leads to the construction of such a space. Then, the identification strategy is implemented and the obtained results are compared with the actual material parameters for numerically generated benchmarks. The quality of the identification technique is demonstrated that makes it a valuable tool for interactive design as a way to validate local material properties. © 2011 Springer-Verlag.
    Citation
    Florentin, E., & Lubineau, G. (2011). Using constitutive equation gap method for identification of elastic material parameters: technical insights and illustrations. International Journal on Interactive Design and Manufacturing (IJIDeM), 5(4), 227–234. doi:10.1007/s12008-011-0129-5
    Publisher
    Springer Nature
    Journal
    International Journal on Interactive Design and Manufacturing (IJIDeM)
    DOI
    10.1007/s12008-011-0129-5
    ae974a485f413a2113503eed53cd6c53
    10.1007/s12008-011-0129-5
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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