Boundary layers 1 Buoyancy-induced melting 1 Circular cylinder 1 Circular cylinders 1 Computational studies 1 Condition 1 Differently-shaped enclosure 1 Differently-shaped enclosures Enclosure shapes 1 Enclosures 1 Energy dissipation 1 Heat storage 1 Heat transfer 1 Heat-transfer characteristics 1 Heated cylinders 1 Induced melting 1 Lauric acid 1 Melting 1 Melting characteristics 1 Phase change material 1 Phase change materials 1 Thermal energy 1