• Media type: Text; E-Book; Report
  • Title: Some remarks on a model for rate-independent damage in thermo-visco-elastodynamics
  • Contributor: Lazzaroni, Giuliano [Author]; Rossi, Riccarda [Author]; Thomas, Marita [Author]; Toader, Rodica [Author]
  • imprint: Weierstrass Institute for Applied Analysis and Stochastics publication server, 2015
  • Language: English
  • DOI: https://doi.org/10.20347/WIAS.PREPRINT.2128
  • Keywords: 74H20 ; Partial damage -- rate-independent systems -- elastodynamics -- phase-field models -- heat equation -- energetic solutions ; 74C05 ; 35Q74 ; 74R05 ; 74F05 ; article
  • Origination:
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  • Description: This note deals with the analysis of a model for partial damage, where the rate-independent, unidirectional flow rule for the damage variable is coupled with the rate-dependent heat equation, and with the momentum balance featuring inertia and viscosity according to Kelvin-Voigt rheology. The results presented here combine the approach from [Roubiček M2AS'09, SIAM'10] with the methods from Lazzaroni/Rossi/Thomas/Toader [WIAS Preprint 2025]. The present analysis encompasses, differently from [Roubiček SIAM'10], the monotonicity in time of damage and the dependence of the viscous tensor on damage and temperature, and, unlike [WIAS Preprint 2025], a nonconstant heat capacity and a time-dependent Dirichlet loading.
  • Access State: Open Access