Fig 1.
An illustration of preceding and succeeding sets of blocks for a base block .
Fig 2.
Section view of the mining-based perturbation for swapping the mining periods of blocks and
.
Fig 3.
Graphical representations of different perturbations.
Table 1.
Block model and waste dump parameters.
Table 2.
Economic and technical parameters.
Table 3.
Operational parameters (capacities per period).
Table 4.
Number of variables and constraints before and after applying the variable reduction technique.
Table 5.
Performance evaluation of the proposed algorithm compared to the exact method.
Table 6.
Production plan produced by the exact method for Case A.
Table 7.
Production plan produced by the SA-based algorithm for Case A.
Fig 4.
Evolution of NPV over execution time.
Fig 5.
The distribution of NPV improvement instances across different perturbation types.
Fig 6.
Change in temperature with improvement in NPV.
Table 8.
Material flows produced by the initial solution (HVS heuristic).
Table 9.
Material flows produced by the proposed SA-based algorithm.
Fig 7.
Cut-off grade in each period before and after SA.