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Wetting & Contact Angle
Young's equation γ_SV = γ_SL + γ_LV·cos(θ) — drag sliders to morph droplets
Surface Energies
γ_SV (solid-vapor, mJ/m²):
40
γ_SL (solid-liquid, mJ/m²):
10
γ_LV (liquid-vapor, mJ/m²):
72
Surface Roughness
Smooth (Young)
Wenzel (wetted)
Cassie-Baxter (air pockets)
Roughness r:
1.5
Solid fraction φ:
0.4