Table 1 Summary of model setup parameters used in the numerical experiment (teletype fonts for OpenFOAM specific parameters)
From: On the optimum of the energy transfer efficiency in the generation of waves by subaerial landslides
Solver/ method | multiphaseInterfoam/RANS-VOF | |
No. phases | 3-phases | alpha.sed/alpha.water/alpha.air |
densities | ρw, ρs, ρa | 1000, 1000, 1 (kg ⋅ m−3) |
kinematic viscosities | νw, νs, νa | 10−6, 10−6, 1.48 × 10−5(m2 ⋅ s−1) |
water depth (h0) | 0.2 m | - |
mesh resolution | 2.5/5 mm | - |
Domain length/height | 20 m × up to 1.05 m | slope angle = 45 degrees |
BC for U field | noslip/pressureInletOutletVelocity | walls, slope, bottom/top |
BC for p_rgh field | fixedFluxPressure=0/totalPressure=0 | walls, slope, bottom/top |
BC for alpha.* field | zeroGradient/inletOutlet=0 | walls, slope, bottom/top |
Turbulence model | k-ω SST Buoyancy modified | initial values: k=1e-4, omega= 1, nut= 0 |
Duration/Δt/ CFL | 12 s/ 0.01 s/ 0.1 | output frequency: 0.05 s |
gradient scheme | linear | grad(U), grad(gamma) |
divergence scheme | linearUpwind | for div(rhoPhi,U) |
Laplacian scheme | linear corrected | - |