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

Éric Florentin, Gilles Lubineau

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

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.
Original languageEnglish (US)
Pages (from-to)227-234
Number of pages8
JournalInternational Journal on Interactive Design and Manufacturing (IJIDeM)
Volume5
Issue number4
DOIs
StatePublished - Aug 9 2011

ASJC Scopus subject areas

  • Modeling and Simulation
  • Computer Graphics and Computer-Aided Design
  • Engineering(all)

Fingerprint

Dive into the research topics of 'Using constitutive equation gap method for identification of elastic material parameters: Technical insights and illustrations'. Together they form a unique fingerprint.

Cite this