Rapid chloride migration (RCM) tests are often used to characterize the resistance of concrete to chloride ion ingress. In the framework of the lattice model, this test can be simulated using a characteristic Galerkin approach. Although the mesh needed for the simulation is very fine (0.25 mm voxel size), this approach can be used to successfully simulate the RCM test in heterogeneous (meso-scale) concrete. To date, the only simulation of the ionic migration with the heterogeneous material structure (known to us) was published by Liu et al (2012) {Multi-phase modelling of ionic transport in concrete when subjected to an externally applied electric field, Engineering Structures 42, pp. 201-213}. We will therefore continue with this approach. Check out the video!
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