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Research conducted at the University of Lincoln into advanced modelling of ship aerodynamics, integrated with helicopter flight simulation, has led to a design analysis technique which has influenced both the design of a specific ship and the guidance given to naval ship designers. It has been used by BAE Surface Ships in the design of the forthcoming Type 26 combat ship. This will be the first naval ship to be designed using a technique that has led to a superstructure configuration which seeks to reduce the impact of the ship airwake on the helicopter, thereby improving flight handling and pilot workload, and maximising the operational envelope of the helicopter and improving pilot safety. The research has also directly influenced the international ship design community through the NATO working group on Ship Design Guidance for Aircraft Operations (AVT-217).
Evaluating the ground-based manoeuvrability of large aircraft is time consuming and costly if explored though industry-developed complete models of ground dynamics. Research by Krauskopf and colleagues from the University of Bristol has shown that applying methods from dynamical systems allow these dynamics to be investigated efficiently and with considerable precision. This approach, and the related purpose-developed software, Dynamical Systems Toolbox, have been adopted by Airbus. It is now fully incorporated in the Airbus Methods and Tools portfolio as a supported tool for the evaluation of proposed works and new designs. The research delivers considerable savings in time and costs for the company. Additionally, this programme of research has delivered research training for Airbus employees and one, who studied for PhD with Krauskopf, now leads the Airbus development and implementation of these mathematical techniques which are being disseminated more widely within the company. There continue to be Bristol EPSRC CASE PhD studentships in collaboration with Airbus co-supervised by Krauskopf (7 in the assessment period).
Runway stones thrown up by aircraft undercarriage wheels can cause considerable damage to the aircraft structure. A model of runway debris lofting developed at Imperial College has been used for the new A400M military transport aircraft, which Airbus reported was `absolutely needed' during the successful development of a nose wheel debris deflector [5. A]. This deflector dramatically reduces the incidence and severity of the runway debris impacts and the associated maintenance costs and downtime of the new aircraft. Airbus has received 174 orders to date for the A400M. An indication of the cost savings comes from the Hercules C130K, the predecessor of the A400M, which incurred costs of up to £1M for each aircraft on active service in Afghanistan for the repair of runway debris damage. This cost is now eliminated for the Airbus A400M aircraft.
Cranfield's understanding and modelling of aircraft icing, a critical part of the safety, operation and design protocols for all types of aircraft, has changed the way in which aerospace companies approach the design of new aircraft. Cranfield's research has produced high quality predictive software and an extensive experimental validation database the impact of which is its use in the design, optimisation and certification of aircraft and their components.
The impact of Cranfield's icing research is in the design processes for:
Research into variable mechanical energy absorption, using Finite Element (FE) modelling and analysis, funded by Cellbond Ltd., led to a design specification for an Offset Deformable Barrier (ODB). Such barriers are used within the motor manufacturing industry to test vehicular safety. Based on the findings of our research, the barrier used in car crash tests has been redesigned. The design specification for the barrier has been adopted by the European New Car Assessment Programme (EuroNCAP). All newly designed cars are tested with this type of barrier before they enter production. The use of FE modelling and virtual crash testing allows barriers to be designed with particular properties and for the crash testing cycle to be shortened.
A Portsmouth team has helped revolutionise how flight data from aircraft flight recorders is being analysed. This has improved the corporate performance of a leading UK company in a globally competitive market by helping it expand its business in the UK and to subsequently compete in the dynamic North American market. Historically, data was manually evaluated on a flight by flight basis. Research by the Portsmouth team means such data can now be analysed automatically by artificial intelligence (AI), saving significant man-hours, and allowing the company to diversify domestically into a related market and to expand internationally. The techniques developed were subsequently applied in a new market, enabling the new corporate partner to realise savings estimated at £100,000 p.a.
Optimisation tools developed in the UoA have significantly advanced the ability to find the best designs for complex systems in cases where these were previously unobtainable. These optimisation tools have been implemented in several companies to shorten design times, reduce costs and reduce CO2 emissions. This has brought about new multi-million pound revenues, long-term contracts, increased employment and contribution to sustainability targets.
Research at the University of Bradford has enabled many major vehicle and brake manufacturers to improve the design of their brakes and braking systems to increase customer satisfaction and sales, and reduce costs. Methods have been developed to predict the thermo-mechanical and dynamic performance of brakes and provide design improvements. Durable solutions have been developed for noisy brakes, which have reduced warranty costs for approximately ten international collaborating companies including Bentley, where a squeal noise from the front brakes of a new vehicle had prevented it from being released for production. Our research has been embedded into short courses, which have trained over 250 engineers since 2008 and is incorporated into Jaguar Land Rover's (JLR) professional training.
Research carried out at the University of Leeds has led to the development of a system for predicting severe air turbulence at airports and elsewhere. The research modelled highly localised `rotor streaming' turbulence which is too small-scale to predict using today's numerical weather prediction models. The Met Office now uses the highly efficient 3DVOM computer prediction model, based on the Leeds research, to improve its operational weather forecasting, especially for providing warnings of `gustiness' to the public and airports and to highlight risks of overturning of high-sided vehicles. In addition, the model is used by forecasters to predict dangerous turbulence at Mount Pleasant Airport in the Falkland Islands, and has led to the prevention of around five flight diversions per year at an estimated cost saving of £1.25 million.
This case study describes the international impact of research in the computer modelling and simulation of automotive and aerospace crashes, undertaken by Professor Blundell. The main impacts arising from the research can be summarised as:
Economic impact and impact on passenger safety: i) our research has led to improvements in the MADYMO software suite, the `industry standard' software for safety design and virtual crash testing, which is produced by TNO Automotive Safety Solutions (TASS) and sold to all the main equipment manufacturers in the automotive and aerospace sectors ii) our research has reduced the costs of these equipment manufacturers, who can simulate a crash rather than undertake expensive, physical, crash tests iii) by improving MADYMO, our research has had an impact on passengers who are now travelling in cars and aircraft which safer as a result of MADYNO's enhanced capabilities.
Impact on practitioners and professional services: through working with Blundell and his group, Autoflug GmbH has learned how to incorporate advanced simulation into its product development process. The work has also transferred practices from the automotive sector into aviation. Blundell's research has helped to introduce manufacturers and European regulators to new methods to design safety systems to helicopters, an area previously underdeveloped as an area in aviation occupant crash protection.
Beneficiaries include Autoflug GmbH, TASS and its customers, and European aviation regulators.