Hydrodynamic tools reveal information as to the behaviour of a device in the presence of waves but provide little information on how to improve or optimise the device. With no recent work on the transfer of power (energy flux) from a wave field through the body surface of a wave energy converter (WEC). we introduce the energy flux method to map the flow of power. The method is used to... https://www.roneverhart.com/Rexford-Knives-Rut-V5-Completed/