Rubber Fender Systems for marine structures are generally designed according to the following procedure: Berthing energy is calculated by the following kinetic equation Ef= Wa/2g • V2• Cm • Ce • Cc • Cs (4.1 ) Where Ef: Berthing energy (tf•m) g: Acceleration gravity (9 8m/sec2) Wa: Water displacement of the berthing ship (tf) V:.. read more →