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CFD keeps Emirates Team New Zealand on course to reclaim the America's Cup
Aug27

CFD keeps Emirates Team New Zealand on course to reclaim the America's Cup

LEAP staff, in particular our team of CFD engineers, have been watching with interest as the 2013 America's Cup unfolds in San Francisco. Despite being the oldest active trophy in international sport, the America's Cup is continually evolving thanks to an often dramatic combination of ...

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Influence of CFD Technology on London Olympic Games
Jun26

Influence of CFD Technology on London Olympic Games

Many of you may already have detailed knowledge of the use of CFD in your area of expertise, but it is not often that as a CFD community we can all unite in appreciation of a common group of applications that we can all relate to.  With the London 2012 Olympic Games fast approaching, we felt it is worth taking a look at the way in which CFD technology is playing a crucial role in many Olympic sports. You may have already been aware of the tremendous work that companies such as Speedo had invested in CFD technology to keep their products a step above their competitors.  In fact, so successful were the Speedo LZR RACER swimsuits developed for the Athens and Beijing Olympics that they were eventually banned altogether (During the 2008 Beijing Olympics, 47 gold medals and almost 90 per cent of all swimming medals were won by athletes wearing Speedo LZR RACER swimsuits)! In the leadup to 2012, Speedo has again been working hard using ANSYS CFD to give their swimmers a competitive edge.  To read more about the design of the latest Speedo Fastskin racing system, which incorporates swimsuits, goggles and caps that were designed to function as a cohesive unit, please refer to this recent article from the ANSYS Advantage magazine: Dressed for Success - Speedo Racing System Research indicates that the new Speedo system reduces full-body passive drag by 17 per cent, improves oxygen economy by up to 11 per cent, and reduces active body drag by 5 per cent when all three components are used together. The new cap, goggle and swimsuit designs were developed in line with rules revised in 2010 by the world governing body of swimming, FINA, which required swimsuits to cover less of the swimmer’s body than the previous LZR RACER swimsuits. “Engineering simulation has been absolutely critical in launching this world-first concept,” said Tom Waller, head of Speedo’s Aqualab. “I’m confident this collaboration will continue to impact the future of competitive swimming by driving ongoing innovation.”   For those of you who don the lycra for your daily commute, you may be more interested in the way in which CFD is influencing modern bicycle design.  Olympic cycling has experienced a tumultuous 15 years where significant rule changes have impeded design and then been overcome by subsequent technological innovations in a never-ending cycle.  This interesting article gives an insight into the aerodynamic optimisation process for a modern racing bike, which coincidentally is a bike design that may be used by many champion cyclists from New Zealand and Australia in the London Olympics: Floating on Air       Olympic rowing is also a sport where...

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