Small-Scale Study of Mooring Line Tension Thresholds Based on Impulsive Load Analysis during Big Floating Structure Operation and Commissioning

Abstract

Marine wind energy business competitiveness is strongly related to offshore substructures and their logistics. With the aim of avoiding oil and gas methodologies to reduce installation costs, some designs make use of multi-floater systems linked by cables. Optimization of these systems in search of larger operational windows increments the likelihood of snap-load event occurrence. This work describes the analysis of cable load during physical model simulation of a DEMOGRAVI3 installation procedure applying statistical and signal-processing methods. The authors describe a simple methodology to define the maximum load threshold for a given mooring line set-up in order to avoid snap loads.

Editorial—Physical Modelling in Hydraulics Engineering

“…The development of traditional [11] and novel [12,13] modelling approaches in river engineering are also covered in the Special Issue. Furthermore, contributions in the field of coastal structures and port engineering [14,15], offshore structures [16], and the environmental design of brine discharges [17] are presented in the Special Issue. Other topics covered in the Special Issue are related with pressurized pipe distribution [18][19][20] and urban drainage [21][22][23] systems.…”

“…The featured paper "Small-Scale Study of Mooring Line Tension Thresholds Based on Impulsive Load Analysis during Big Floating Structure Operation and Commissioning" [16] deals with the optimization of multi-floater systems linked by cables used to reduce the installation costs of offshore substructures. The work analyzes cable load during physical model simulation of a DEMOGRAVI3 installation procedure applying statistical and signalprocessing methods.…”