ChEESE: Centre of Excellence for Exascale in Solid Earth

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This proposal aims at establishing a Center of Excellence to prepare flagship codes and enable services for Exascalesupercomputing in the area of Solid Earth (SE). ChEESE will harness European institutions in charge of operationalmonitoring networks, tier-0 supercomputing centers, academia, hardware developers and third-parties from SMEs, Industry and public-governance. The scientific ambition is to prepare 10 flagship codes to address Exascale Computing Challenging (ECC) problems on computational seismology, magnetohydrodynamics, physical volcanology, tsunamis, and data analysisand predictive techniques for earthquake and volcano monitoring. The codes will be audit and optimized at both intranodelevel (including heterogeneous computing nodes) and internode level on Exascale architecture hardware prototypes (codesignapproach). Preparation to Exascale will also consider code inter-kernel aspects of simulation workflows. First, ChEESE will develop Pilot Demonstrators (PD) for scientific problems requiring of Exascale computing on near real-timeseismic simulations and full-wave inversion, ensemble-based volcanic ash dispersal, faster than real-time tsunami simulations and physics-based hazard assessments for seismics, volcanoes and tsunamis. Second, pilots will serve to enable services on urgent computing, early warning forecast of geohazards, hazard assessment and data analytics. Selected pilots will be tested in an operational environment and made available to a broader user community. Additionally, and in collaboration with the European Plate Observing System (EPOS), ChEESE will promote and facilitate the integration of HPC services to widen the access to codes to the SE users community. Finally, ChEESE aims at acting as a hub to fosterHPC across the Solid Earth Community and related stakeholders and to provide specialized training on services and capacity building measures.