An issue has been identified with the lifing calculations for the Royal Navy Gas Turbine (GT) components thus there is a requirement to identify the potential effects on the shipâ€™s crew and systems that could occur following cyclical fatigue failure. Hazard logs do not currently include assessment of damage severity from such accidents. Brief Description of Task: To identify and assess the potential effects on shipâ€™s crew and systems that could occur following a cyclical failure of the bladed HP turbine disc using The SURVIVE modelling tool. Activities to be Undertaken: â€¢ Examine potential penetration rules for suitability including current SURVIVE solutions and any other potential methods that might be identified. â€¢ Establish worst case and most likely maximum length trajectories in ship structure to inform the analysis required. â€¢ Review SURVIVE Type 23 targets for crew and systems layouts in the region of the GTs to ensure they are satisfactory to MOD for the task. Adjust as needed based on crew data to be supplied prior to start of task. â€¢ Remove basic GT equipment from SURVIVE models and replace with items to represent the required GT structure. Add additional clutter to relevant compartments if required. â€¢ Build SURVIVE weapon files to represent the provided debris data: - Debris distributed averagely around axis of GT - Debris in one particular direction to find worst case â€¢ Undertake SURVIVE simulations of average and worst case scenarios. â€¢ Analyse to extract required results. â€¢ Document assessment methods and conclusions.
Maritime Equipment Systems (MES) Team, DE&S
Birch 3b, # 3327,MOD, Abbey Wood
Anita Woodburn (DES Ships Comrcl-MPS-4b1)
0117 9 39944
Contract value: 10000.00 - 113000.00GBP
Published: 21 Nov 2012, Receipt by: 31 Jan 2013
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