Periodic Reporting for period 1 - CoEC (Center of Excellence in Combustion)
Période du rapport: 2020-10-01 au 2022-03-31
The objectives that support the vision of CoEC and will guide its implementation are:
• To target scientific breakthroughs in combustion enabled by Exascale computing.
• To achieve significant advances in bringing combustion simulation technologies to market.
• To develop HPC software and algorithms for the efficient exploitation of Exascale systems.
• To promote and strengthen collaboration between the well-established European combustion and HPC communities, creating the European Exascale Combustion Community.
• To develop a services portfolio that includes standardized workflows and databases - targeting relevant stakeholders of the academic, industrial and Public Governance Bodies.
On the technical side, substantial effort has been given to the development of new methodologies for combustion. The activities started with a successful collaboration with the CoE POP in order to obtain a profiling of all the CoEC flagship codes, which was used to identify the requirements and define the development roadmaps of the codes.
From this point, four key methodologies were addressed in CoEC to adapt the codes for Exascale. It includes (1) high-order methods and low-dissipation numerical schemes to improve the accuracy of the numerical simulations and better exploit the parallelism of the heterogenous systems with accelerators, (2) error estimators for spray flames and more generally for turbulent two-phase flows, (3) adaptive chemistry and chemistry reduction strategies through the development and optimization of methodologies for the on-the-fly reduction and optimize ODE solvers adapted to accelerators, and (4) methodologies to deal with two phase flows including Eulerian-Eulerian and Eulerian-Lagrangian methods. The use of Machine Learning with data processing and visualization has been identified to be an enabling tool to tackle some of the fundamental challenges in CoEC, while exploit efficiently the upcoming Exascale architectures, and this has been an active area of development.
CoEC has proposed 13 ECDs that deal with fundamental problem in propulsion and power generation. Those include simulations of hydrogen flames, spray flames, pollutant formation, thermoacoustics, sparks and plasma, and internal combustion engines. The selection of the ECDs has been done in collaboration with the Industrial and Scientific Advisory Boards and has ensured the relevance of the proposed problems to the industrial sectors.
The CoEC is oriented to consolidate an enhanced services portfolio from the activities performed in the project, including last findings in combustion modelling and simulation research from the developed ECDs, access to exascale-ready software for practical applications, consultancy, training and feedback for co-design, identifying the best hardware and software setups for particular problems. The Center will support the industrial sector providing on-demand services for large industries and SMEs. It also includes assistance and support to decision-makers in climate change mitigation actions and policies.
The CoEC will increase the socio-economic impact of combustion related science on several fronts:
• Scientific value: it will contribute to obtain new insights on the application of alternative fuels on practical applications by the deployment of advanced simulation software in power and propulsion.
• Capacity building: CoEC will promote the consolidation of a combustion exascale community that will build scientific and societal capacities measured by users and stakeholder’s engagement, research opportunities and public access to data, models and dissemination material.
• Economic value: CoEC will pursue an increase of the TRL of the reference codes from the consortium, while providing services for OEMs creating new business opportunities at European (and global) level.
• Societal value: by training young fellows in combustion engineering, giving support to academic community and providing knowledge about the performance of the proposed technologies with new fuels to achieve the EU decarbonisation objectives.