190 irrigation, and (c) pregnant leach solution transportation, after (Hassanvand et al., 2025a). To address the above-mentioned challenge, in this work, we present a multiphysicsbased modelling approach that captures the key physical processes at the stope scale. The model only requires physical properties, reaction kinetic parameters, and boundary conditions as input to simulate the leaching process of IPR, thereby reducing the need for extensive laboratory testing in future. We show the capabilities of the model to simulate an IPR operation using material properties obtained from ore samples collected from the Prominent Hill Mine, Australia, as described in our previous work (Hassanvand et al., 2025b). Senarios were simulated with different leaching parameters to assess the performance of copper recovery for an operation duration of 12 months. 2. IPR MODELLING Figure 2 – Key components for IPR simulation Figure 2 shows the main components of the multiphysics IPR model, consisting of inputs from blast designs to define stope boundaries and ore PSD; governing equations for the main physics that control the leaching process; and key material properties measured from lab tests to be used in the governing equations (such as permeability). 3. CASE STUDY 3.1 Base case Figure 3 shows the geometry of a blasted stope for IPR with a maximum height and width of 25 m. Lixiviant is applied from the top boundary, and the PLS is collected at the bottom
RkJQdWJsaXNoZXIy MTM0Mzk2