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Nonlinear hybrid continuum–discrete dynamic model of influence of hydrogen concentration on strength of materials

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A new nonlinear lattice model for an influence of the hydrogen concentration on the elastic constants of the lattice model of a material is developed. A weakly nonlinear long-wavelength continuum… Click to show full abstract

A new nonlinear lattice model for an influence of the hydrogen concentration on the elastic constants of the lattice model of a material is developed. A weakly nonlinear long-wavelength continuum model is considered, and a model nonlinear equation for the dynamics of concentration of hydrogen is obtained asymptotically. The model predicts a decrease in the stiffness coefficient as well as a light local moving increase due to the localized nonlinear concentration wave propagation.

Keywords: continuum; model; model influence; influence hydrogen; concentration

Journal Title: Continuum Mechanics and Thermodynamics
Year Published: 2020

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