Simulating the chemical-mechanical-damage coupling problems of cement-based materials using an improved smoothed particle hydrodynamics method
Source abstract
Abstract
The applications of Smoothed Particle Hydrodynamics (SPH) into the chemical - mechanical - damage coupling problems of cement - based materials have been rarely investigated. Based on this background, the diffusion equations of chemical ion concentration in SPH form are derived. Traditional kernel function in SPH is improved by introducing the ion concentration damage coefficient Dc. Firstly, the chemical corrosion processes of a semicircular corrosion pit are simulated, and the rationality is verified by comparing with previous experimental results. Then the effects of different bedding direction, random aggregates and their anisotropy degrees on the chemical corrosion processes are discussed. Finally, a chemical-stress-damage coupling model is established to simulate the crack propagation processes. The research results can provide some references for the comprehensive understandings of the chemical-stress-damage coupling laws, as well as the applications of SPH method into the chemical-stress-damage coupling simulations of cement-based materials.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Fluid Dynamics Simulations and Interactions · Numerical methods in engineering · Geotechnical Engineering and Underground Structures
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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