Holtrop - Form Factor 1+k1
Form factor 1+k1 for frictional-resistance correction per Holtrop-Mennen regression - the first step in predicting still-water resistance from hull geometry.
1 + k1
0.991 -
Formula, assumptions, and limits
Simplified coefficient c_14 = 1.0 (after-body form factor) used. Full Holtrop regression includes L_R, after-body factor c_stern, and (T_A − T_F)/L. Typical 1+k1 = 1.15–1.35.
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| Prismatic coefficient | - | hydrostatics | |
| Breadth-length ratio | - | ship particulars |