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Multimech

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Solving the multi-scale problem in materials mechanics: a pathway to chemical de...

Solving the multi-scale problem in materials mechanics: a pathway to chemical design Based on recent conceptual and theoretical advances in the lattice dynamics of real solids, I aim to develop a new generation of computational methods that will revolutionize the way we predict and describe the mechanical response... ver más

31/08/2027

UMIL

953K€

Presupuesto del proyecto: 953K€

Líder del proyecto

UNIVERSITA DEGLI STUDI DI MILANO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Financiación concedida El organismo HORIZON EUROPE notifico la concesión del proyecto el día 2022-07-18

ERC-2021-COG: ERC CONSOLIDATOR GRANTS Scope:Objectives

I+D

Cerrada hace 3 años

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1 Participantes

UMIL

952.79K€ | Lider

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Duración del proyecto: 61 meses Fecha Inicio: 2022-07-18
Fecha Fin: 2027-08-31

Líder del proyecto

UNIVERSITA DEGLI STUDI DI MILANO No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Presupuesto del proyecto 953K€

Descripción del proyecto Based on recent conceptual and theoretical advances in the lattice dynamics of real solids, I aim to develop a new generation of computational methods that will revolutionize the way we predict and describe the mechanical response of complex materials. State-of-the-art computational methods to simulate materials and their mechanical behaviour are based on molecular dynamics (MD) with atomistic force-fields. These methods provide an excellent description of the thermodynamically stable phases of materials with arbitrary chemical and microstructural complexity. However, simulating the mechanical deformation behaviour of materials at the atomistic level remains an open challenge. The main bottleneck is represented by the inevitably short time scale of time integration (1-2 femtoseconds) in atomistic MD methods. This limitation makes it impossible to simulate the dynamical deformation of materials on long time scales encountered in experiments, i.e. for deformation rates lower than ~10 Gigahertz (at best). This fundamental time-scale bridging problem is currently unsolved and prevents the computational prediction of materials mechanics in the regimes that are experimentally accessible in standard mechanical tests and rheology. In this project, I build on my expertise and recent scientific breakthroughs in the lattice dynamics and atomistic viscoelasticity of real complex materials. I propose to develop a fully predictive and atomistic computational framework for the viscoelastic response (i.e. viscoelastic moduli) of real materials (polymers, glasses, microstructured crystalline materials) that can work across the whole spectrum of deformation rates/frequencies and for large systems (millions of atoms or more). This cannot be done with the current state-of-art methodologies. Furthermore, I propose to develop a predictive lattice-dynamics-based framework for the plasticity and yielding of complex materials including amorphous materials.

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