Fractional-order numerical modeling to study chloride ion transport in concrete with fly ash or slag additions
Li Zhou,
Guangdong Huang,
Ruige Chen
Abstract:To better study the chloride ion migration in concrete with fly ash or ground granulated blast furnace slag under low fatigue load, a Caputo time fractional-order chloride diffusion model is developed in this paper. The model, grounded in Fick’s second law with a fractional-order derivative, employs an implicit numerical method for discretization, resulting in a fractional-order numerical scheme. The stability and convergence of the scheme are rigorously proven within the paper. The model’s unknown parameters … Show more
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