The structural behaviour of metals can be described using various scales, ranging from atomistic, nanoscale, microscale, mesoscale and finally macroscale. Computational modelling of metal processes using the Finite Element (FE) method has been mainly focussed on the macro (continuum) level where the different microstructures, voids, and phases are not modelled, but are incorporated in the material constitutive laws.
Multi-scale modelling attempts to bridge the gap between different length and time scales. For example, damage models are usually phenomenologically-based and do not model the polycrystalline and intergrannular ductile damage in metals.
More recently, multi-scale modelling techniques, such the Crystal Plasticity Finite Element Method (CPFEM), have been used to link the micro and macro behaviour of metals. Multi-scale models provide industry with valuable tools for designing new metal products and processes.
Research projects in this IMPaCT theme will address the challenges associated with modelling materials at the different scales.
The Multi-scale modelling of metal processing theme is led by Prof Adib Becker (UoN), who is Professor of Mechanical Engineering and the Head of the Structural Integrity and Dynamics Research Group at the University of Nottingham. He serves on IMechE committees and journal editorial boards, and is the Chairman of the NAFEMS Education and Training Working Group.
He has published over 250 external publications in the open literature, including 124 journal papers and 4 textbooks. His research has covered many aspects of advanced computational mechanics modelling, including creep, fatigue, damage, weld simulation, crack propagation, multi-scale and highly non-linear material behaviour.
Other staff members:
- Chris Bennett (see Theme 2)
- Ian Jones (UoN), has been PI for six projects, published 90 papers, is Secretary of the IOP Stress & Vibration Group, is on the editorial board of the J. of Strain Analysis.
- Hengan Ou (see Theme 4)
- Paul Bowen (see Theme 1)
- Mark Ward (see theme 1)
- Claire Davis (see Theme 6)
- Martin Strangwood (see Theme 1)
- Hongbiao Dong (see Theme 1)
- Shian Gao (UoL) an expert in CFD and was a member of a four-university consortium for EPSRC funding
- Aldo Rona (UoL) an expert in the development of high-order finite-difference schemes for the non-destructive testing of metals, coordinating “AeroTraNet 2”, a €2.8M EU FP7 project, a RAEng Industrial Fellow at Alstom.
- Jingzhe Pan (see Theme 4)
- Csaba Sinka (see theme 4)
- Emmanuil Georgoulis (UoL) is internationally known for the development and analysis of finite element methods for various classes of PDEs (including phase field modelling).
- Andrea Cangiani (UoL) an expert on the development of non-standard finite elements for heterogeneous problems.
- Ruslan Davidchack (UoL), an expert on molecular dynamics simulation related to heterogeneous systems containing solid-liquid interfaces, homogeneous & heterogeneous nucleation.