Beam force

Input(s)

H: Significant Wave Height ( ft\mathrm{ft} )

B: Vessel Beam Length (ft)

L: Vessel Length (ft)(\mathrm{ft})

A: Wave Period (s)

D: Vessel Draft (ft)

Output(s)

FbaF_{b a}: Beam Force When a Is Greater Than 0.642( b+2 d)0.5(ft5/s)0.642 *(\mathrm{~b}+2 * \mathrm{~d}) 0.5\left(f t^{5} / \mathrm{s}\right)

FbbF_{b b}: Beam Force When a Is Lower Than 0.642( b+2 d)0.5(ft5/s)0.642 *(\mathrm{~b}+2 * \mathrm{~d}) 0.5\left(f t^{5} / \mathrm{s}\right)

Formula(s)

Fba=2.1(H2)(B2)LA4Fbb=2.1(H2)(B2)L(1.28((B+2D)0.5)A)4\begin{gathered} F_{b a}=\frac{2.1 *\left(H^{2}\right) *\left(B^{2}\right) * L}{A^{4}} \\ F_{b b}=\frac{2.1 *\left(H^{2}\right) *\left(B^{2}\right) * L}{\left(1.28 *\left((B+2 * D)^{0.5}\right)-A\right)^{4}} \end{gathered}

Reference(s)

Samuel. E Robello. 501 Solved Problems and Calculations for Drilling Operations. Sigma Quadrant. 2015. Houston, Texas, Page: 457.


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