just so that it can be simulated to ensure it will perform as needed. They are also increasingly being challenged to ‘scale-up’ simulations to manage more elements. As a result, the cost and time to achieve these simulations is prohibitive and engineers can only simulate an approximation of a product. Thanks to a new partnership, however, Hexagon’s customers will be
able to use Cradle CFD software on Fujitsu’s commercially available Supercomputer PRIMEHPC series that utilises the Fugaku technology.
There are a number of benefits for engineers. Not only will they be able to simulate complex designs without having to simplify them – saving time while also giving access to significantly enhanced detail – but it will enable them to explore multiple design options quickly, using simulation more frequently to refine and test their designs, and explore new concepts that cannot be explored with physical testing or simulation today. According to the company, engineers could also use this type of
simulation routinely in their daily work, as the Fugaku architecture uses approximately a third of the energy of the computers they use currently. As a result, this is being described as a development that will be
revolutionary for engineers across sectors including automotive, aerospace and construction, all of which need the insights provided by large scale CFD simulation. This is particularly valuable at a time when the automotive and aerospace industries are racing to bring new forms of mobility to market. As an example, automotive OEMs are under pressure to accelerate the
transition to electric vehicles. By saving time on manual processes like meshing, manufacturers can run more simulations to better understand how the aerodynamics of a new model impacts energy efficiency and range, and be able to iterate more between design and engineering to ultimately achieve the optimal design. Thermal management is also particularly important here, as managing the heat of a vehicle optimises its performance, safety and longevity. Understanding these issues through higher resolution simulations enables engineers to achieve optimal designs and bring models with attractive design and range to market faster. Hexagon experts collaborated closely with Fujitsu to tune the Cradle CFD
code to run on Fugaku and complete test simulations. A typical family car was simulated in its entirety, which is only possible with enhanced computational power. This model comprised 70 million elements using 960 cores and was simulated until steady state using the RANS equation over 1000 cycles. In aerospace, the impact of turbulence that forms around the wings of
an aircraft is of critical importance to how it is controlled and its safety. Turbulence is the result of many vortices, some of which are so small that they are not feasible to simulate using current methods. Using Cradle technology with Fugaku’s extra computational resource, engineers can now achieve a higher resolution simulation to enable them to better understand the impact of turbulence on the structural safety of the aircraft and the forces it can withstand. This is important for the development of the next generation of aircraft, including supersonic and hypersonic. The team successfully completed a test simulation of transonic
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ignificant computational power and resource is necessary to make CFD (computational fluid dynamics) simulations. As a result, engineers may need to spend up to 90% of their time simplifying a real product design
Intelligence division, said: “Simulation holds the key to innovations in aerospace and eMobility. Advances such as the low-power Fugaku supercomputing architecture are one of the ways we can tap into these insights without costing the Earth.”
compressible fluid around an aeroplane. Transonic analysis helps engineers understand what happens when the air flows around a wing control surface. The simulation: comprised around 230 million elements; was tested using 4,000 nodes (192,000 computing cores; used 48,000 processes via Message Passing Interface (MPI) and four threads via the OpenMP application programming interface. Roger Assaker, president design & engineering, Hexagon’s Manufacturing
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