Approximate wave-making resistance R_W at low Froude (Fn < 0.4) using Holtrop’s regression simplification - the dominant resistance contribution in the hump region.
Formula
$$ R_W \approx c_W(F_n, C_B) \cdot \Delta \cdot g $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $F_n$ | Froude number | - | V/√(gL) |
| $c_W$ | Wave resistance coefficient | - | regression fit |
Sources
- Holtrop & Mennen - Int. Shipbuilding 1982.