5003 Lectures - Faculty of Engineering and Applied Science

E5003 - Ship Structures I 121
© C.G. Daley
Example: derive formula for Cantilever beam deflection using energy
methods.
Consider a simple cantilever with rectangular cross section.
Start with Energy Balance equation:
External Work (EW) done by the applied load P is balanced by the elastic
potential energy (EPE) stored in the beam;