Numerical simulation of the hyperelastic material using new strain measure

Boris Dmitrievich Annin, Konstantin Vladimirovich Bagrov

Research output: Contribution to journalArticlepeer-review

Abstract

The three-dimensional model of the hyperelastic body under large strains is researched. A new strain measure, based on the QR-decomposition of the deformation gradient, is discussed. It is shown that this strain measure allows for more explicit analytical connections between different parameters of the stress–strain condition then the traditional approach. An example method of introducing this measure into numerical simulations for an arbitrary three-dimensional model with linear shape functions is presented.

Original languageEnglish
Pages (from-to)1809-1813
Number of pages5
JournalActa Mechanica
Volume232
Issue number5
DOIs
Publication statusPublished - May 2021

OECD FOS+WOS

  • 1.03 PHYSICAL SCIENCES AND ASTRONOMY
  • 2.03 MECHANICAL ENGINEERING

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