CORDIS fournit des liens vers les livrables publics et les publications des projets HORIZON.
Les liens vers les livrables et les publications des projets du 7e PC, ainsi que les liens vers certains types de résultats spécifiques tels que les jeux de données et les logiciels, sont récupérés dynamiquement sur OpenAIRE .
Livrables
Databases for the non-isothermal boundary layer equations will be derived. Initially the flow over an isothermal wedge (i.e. reference data obtained from a numerical solution of the Falkner-Skan equations) will be simulated for the tuning of a Deep Neural Network (DNN) in a simple scenario: determination of number of hidden layers and activation function type vs losses (values at the boundaries and residual of the equations). As a parallel activity, a database will be built for both ZPG and APG turbulent boundary layers developing above an isothermal wall using a LES solver; this dataset will be used as the ‘ground truth’.
Formulation of the continuous adjoint problem for multi-phase flows – Background optimisation tool (s’ouvre dans une nouvelle fenêtre)The continuous adjoint to the OpenFOAM code will be programmed and assessed (on simplified test cases, in flow problems with phase change) in terms of the accuracy of the computed sensitivity derivatives; it will be programmed in a way that includes “any” EoS, preparing the ground for the accommodation of ML-based tools, in the deliverable D2.5. Thermal and losses-related objective functions will be used in the development of the adjoint code.
Open source AD-CFD platform JAX-Fluids for fully-resolved collapsing bubble clusters (s’ouvre dans une nouvelle fenêtre)The fully differential solver JAX-Fluids [1001] will be extended to include surface tension via a CSF model149 into the existing compressible Navier-Stokes-Code. Validation of the code for configurations for which experimental data are available in the literature will be performed [1012]. The collapsing of fully resolved vapor bubbles induced by a high pressure pulse hitting them will be then simulated.
Open source version of ForestDG for pressure-waves in multi-material full body (s’ouvre dans une nouvelle fenêtre)Initially, we will generate databases containing information about the pressures and temperatures generated during the collapse of cavitation bubbles in soft tissues. Numerical simulations of encapsulated bubble clusters inside the human body, excited by HIFU will be performed, utilising the in-house density-based, finite-volume solver ForestFV; DNS-resolution will be achieved at the bubble interfaces, captured with adaptive local grid refinement. This solver employs constitute equations describing the behaviour of different materials and thus, multi-material and fluid-structure interactions are an integral part of the solution. For each simulation case, the inputs include: the HIFU pressure pulse, bubble cluster location and composition (number of bubbles, arrangement), location in infinite epth of a single material or bubble cluster at defined distances from material interfaces. Output will include the cavitation threshold values, local pressure and temperature peaks and effective speed of sound. As each simulation requires less than 24h on 48CPUs, it is envisioned to produce more than 1,000 different datasets. Material properties will be adopted from151.
A dedicated project website will be made.
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