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Exascale framework for supporting high-fidelity simulations of multiphase reacting flows in complex geometries

Project description

Fuel efficiency through exascale simulations

Current technological development is already looking towards exascale computing, which will bring processing speeds of a quintillion calculations per second (10 in the 18th power). These advanced numerical calculations will create simulations that are truer to large-scale processes and lead to life-changing applications. The Exa-FireFlows project is focusing on these advancements specifically for fossil fuel combustion and the reacting flows involved. As the use of fossil fuels is expected to continue as a main transportation and power-producing source for the next 50 years, using advanced models to simulate reacting flows will directly impact fuel efficiency, contribute to reduced pollution and introduce efficient alternative fuels.


High performance computing (HPC) has transformed scientific research across numerous disciplines by supporting theory and experiments with numerical simulations. Exascale computing is the next milestone in HPC and is called to play an important role in economic competitiveness, societal challenges and science leadership. Combustion is one of the fields with high strategic importance and potential to fully exploit the future exascale systems. Nowadays, combustion of fossil fuels is the main power source, and some projections indicate that the combustion of liquid fuels will still dominate transportation and power generation industries for the next 50 years. Further understanding of the physics and chemistry of the combustion process is fundamental to achieve improvements in fuel efficiency, reducing greenhouse gas emissions and pollutants, while transitioning to alternative fuels and greener technologies. The use of advanced numerical simulations has enabled to make important contributions for increasing cycle efficiency, reduction of pollutant emissions, and use of alternative fuels in practical applications. The exascale computing will enable the development of high-fidelity turbulent combustion simulations that could not be analyzed before because it was too computationally expensive. However, the implementation of the new and future supercomputers require the evolution of multiple and different technologies in a coherent and complimentary way, including hardware, software, and application algorithms. Scientific codes and formulations need to be re-designed and adapted in order to exploit the different levels of parallelism and complex memory hierarchies of the new and future heterogeneous systems. The goal of the project is to explore and develop novel co-execution, memory awareness and communication avoidance strategies into a framework that allows the simulation of advance high-fidelity multiphase reacting flows in complex geometries using unstructured grids.


Net EU contribution
€ 172 932,48
08034 Barcelona

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Este Cataluña Barcelona
Activity type
Research Organisations
Total cost
€ 172 932,48